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123 

Configuring BFD 

The term "interface" in this chapter collectively refers to VLAN interfaces. 

Overview 

Bidirectional forwarding detection (BFD) provides a general-purpose, standard, medium- and 
protocol-independent fast failure detection mechanism. It can detect and monitor the connectivity of links 

in IP to detect communication failures quickly so that measures can be taken to ensure service continuity 

and enhance network availability.  
BFD can uniformly and quickly detect the failures of the bidirectional forwarding paths between two 
devices for upper-layer protocols such as routing protocols. The hello mechanism used by upper-layer 

protocols needs seconds to detect a link failure, while BFD can provide detection measured in 

milliseconds. 
BFD can be used for single-hop and multihop detections: 

•

 

Single-hop detection

—Detects the IP connectivity between two directly connected systems.  

•

 

Multihop detection

—Detects any of the paths between two systems. These paths have multiple hops, 

and might overlap. 

BFD session establishment 

Establishing a BFD session 

BFD provides no neighbor discovery mechanism. Protocols that BFD services notify BFD of routers to 
which it needs to establish sessions. 
A BFD session is established as follows: 

1.

 

A protocol sends Hello messages to discover neighbors and establish neighborships. 

2.

 

After establishing a neighborship, the protocol notifies BFD of the neighbor information, including 
destination and source addresses. 

3.

 

BFD uses the information to establish a BFD session. 

Terminating a BFD session 

When BFD detects a link failure: 

1.

 

BFD clears the neighbor session. 

2.

 

BFD notifies the protocol of the failure. 

3.

 

The protocol terminates the neighborship on the link. 

4.

 

If a backup link is available, the protocol will use it for communication. 

BFD session modes and operating modes 

BFD sessions use the following types of packets: 

•

 

Echo packets

—Encapsulated into UDP packets with port number 3785. 

Содержание 5130 EI Switch Series

Страница 1: ...HP 5130 EI Switch Series High Availability Configuration Guide Part number 5998 5475a Software version Release 31xx Document version 6W100 20150731 ...

Страница 2: ...MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Hewlett Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material The only warranties for HP products and services are set forth in the express warranty statements accompan...

Страница 3: ...ing Ethernet OAM remote loopback on a specific port 9 Enabling Ethernet OAM remote loopback on the port 10 Rejecting the Ethernet OAM remote loopback request from a remote port 10 Displaying and maintaining Ethernet OAM 10 Ethernet OAM configuration example 11 Network requirements 11 Configuration procedure 11 Configuring CFD 13 Overview 13 Basic CFD concepts 13 CFD functions 16 EAIS 18 Protocols ...

Страница 4: ...n 56 Configuring control VLANs 56 Configuring protected VLANs 57 Configuring RRPP rings 58 Configuring RRPP ports 58 Configuring RRPP nodes 59 Activating an RRPP domain 61 Configuring RRPP timers 61 Configuring an RRPP ring group 62 Displaying and maintaining RRPP 62 RRPP configuration examples 63 Single ring configuration example 63 Intersecting ring configuration example 65 Dual homed rings conf...

Страница 5: ...123 BFD session modes and operating modes 123 Supported features 124 Protocols and standards 124 Configuring BFD basic functions 125 Configuring echo packet mode 125 Configuring control packet mode 125 Configuring a BFD template 127 Displaying and maintaining BFD 128 Configuring Track 129 Overview 129 Collaboration fundamentals 129 Collaboration application example 130 Track configuration task lis...

Страница 6: ...iv Related information 145 Documents 145 Websites 145 Conventions 146 Index 148 ...

Страница 7: ...erates on the data link layer Ethernet OAM reports the link status by periodically exchanging OAMPDUs between devices so that the administrator can effectively manage the network Ethernet OAMPDUs include the following types shown in Table 1 Table 1 Functions of different types of OAMPDUs OAMPDU type Function Information OAMPDU Used for transmitting state information of an Ethernet OAM entity inclu...

Страница 8: ...ilable Transmitting Information OAMPDUs without any TLV Available Available Transmitting Loopback Control OAMPDUs Available Unavailable Responding to Loopback Control OAMPDUs Available when both sides are operating in active OAM mode Available After an Ethernet OAM connection is established the Ethernet OAM entities exchange Information OAMPDUs at the handshake packet transmission interval to dete...

Страница 9: ...ansmission frequencies Link Fault Peer link signal is lost Once per second Dying Gasp An unexpected fault such as power failure occurred Non stop Critical Event An undetermined critical event happened Non stop The switch is able to receive Information OAMPDUs carrying the critical link events listed in Table 4 The switch is able to send Information OAMPDUs carrying Link Fault events The switch is ...

Страница 10: ...guring basic Ethernet OAM functions To set up an Ethernet OAM connection between two Ethernet OAM entities you must set at least one entity to operate in active mode An Ethernet OAM entity can initiate OAM connection only in active mode To change the Ethernet OAM mode on an Ethernet OAM enabled port first disable Ethernet OAM on the port To configure basic Ethernet OAM functions Step Command Remar...

Страница 11: ...l timer hello interval The default is 1000 milliseconds 3 Configure the Ethernet OAM connection timeout timer oam global timer keepalive interval The default is 5000 milliseconds To configure the Ethernet OAM connection detection timers on a port Step Command Remarks 1 Enter system view System view N A 2 Enter Layer 2 Ethernet port view interface interface type interface number N A 3 Configure the...

Страница 12: ...terface uses the value configured globally Configuring errored frame event detection An errored frame event occurs when the number of times that error frames in the detection window specified detection interval are detected exceeds the predefined threshold You can configure this command in system view or port view The configuration in system view takes effect on all ports and the configuration in ...

Страница 13: ...Configure the errored frame period event detection window oam global errored frame period window window value By default the errored frame period event detection window is 10000000 3 Configure the errored frame period event triggering threshold oam global errored frame period threshold threshold value By default the errored frame period event triggering threshold is 1 To configure errored frame pe...

Страница 14: ...shold value By default the errored frame seconds event triggering threshold is 1 To configure errored frame seconds event detection on a port Step Command Remarks 1 Enter system view system view N A 2 Enter Layer 2 Ethernet port view interface interface type interface number N A 3 Configure the errored frame seconds event detection window oam errored frame seconds window window value By default an...

Страница 15: ...ly after the Ethernet OAM connection is established and can be performed only by Ethernet OAM entities operating in active Ethernet OAM mode Remote loopback is available only on full duplex links that support remote loopback at both ends Ethernet OAM remote loopback must be supported by both the remote port and the sending port Enabling Ethernet OAM remote loopback interrupts data communications A...

Страница 16: ...Enter system view system view N A 2 Enter Layer 2 Ethernet port view interface interface type interface number N A 3 Reject the Ethernet OAM remote loopback request from a remote port oam remote loopback reject request By default a port does not reject the Ethernet OAM remote loopback request from a remote port This setting does not affect the loopback test that has been performed on the port It t...

Страница 17: ...re 1 Network diagram Configuration procedure 1 Configure Device A Configure GigabitEthernet 1 0 1 to operate in active Ethernet OAM mode and enable Ethernet OAM for it DeviceA system view DeviceA interface gigabitethernet 1 0 1 DeviceA GigabitEthernet1 0 1 oam mode active DeviceA GigabitEthernet1 0 1 oam enable Set the errored frame event detection window to 20000 milliseconds and set the errored ...

Страница 18: ... A and Device B Use the display oam link event command to display the statistics of Ethernet OAM link events For example Display Ethernet OAM link event statistics of the local end of Device A DeviceA display oam link event local GigabitEthernet1 0 1 Link status UP OAM local errored frame event Event time stamp 5789 x 100 milliseconds Errored frame window 200 x 100 milliseconds Errored frame thres...

Страница 19: ...e nested one but cannot intersect or overlap MD levels facilitate fault location and make fault location more accurate As shown in Figure 2 MD_A in light blue nests MD_B in dark blue If a connectivity fault is detected at the boundary of MD_A any of the devices in MD_A including Device A through Device E might fail If a connectivity fault is also detected at the boundary of MD_B the failure points...

Страница 20: ...ard facing MEPs An outward facing MEP sends packets to its host port An inward facing MEP does not send packets to its host port Rather it sends packets to other ports on the device MIP A MIP is internal to an MA It cannot send CFD packets actively however it can handle and respond to CFD packets By cooperating with MEPs a MIP can perform a function similar to ping and traceroute A MIP forwards pa...

Страница 21: ...lowing MPs a level 5 MIP a level 3 inward facing MEP a level 2 inward facing MEP and a level 0 outward facing MEP Figure 4 CFD grading example MEP list A MEP list is a collection of local MEPs allowed to be configured and the remote MEPs to be monitored in the same MA It lists all the MEPs configured on different devices in the same MA The MEPs all have unique MEP IDs When a MEP receives from a re...

Страница 22: ...epending on whether the source MEP can receive a loopback reply message LBR from the target MEP the link state between the two can be verified LBM frames and LBR frames are unicast frames LBM frames are multicast and unicast frames HP devices support sending and receiving unicast LBM frames and receiving multicast LBM frames HP devices do not support sending multicast LBM frames LBR frames are uni...

Страница 23: ...cording to the transmission time and reception time 1DM frames are unicast frames Two way frame delay measurement The source MEP sends a delay measurement message DMM which carries the transmission time to the target MEP When the target MEP receives the DMM it responds with a delay measurement reply DMR The DMR carries the reception time and transmission time of the DMM and the transmission time o...

Страница 24: ...t Management ITU T Y 1731 OAM functions and mechanisms for Ethernet based networks CFD configuration task list For CFD to work correctly design the network by performing the following tasks Grade the MDs in the entire network and define the boundary of each MD Assign a name for each MD Make sure that the devices in the same MD use the same MD name Define the MA in each MD according to the VLAN you...

Страница 25: ...arks 1 Enter system view system view N A 2 Enable CFD cfd enable By default CFD is disabled Configuring service instances Before configuring the MEPs and MIPs you must first configure service instances A service instance is a set of service access points SAPs and belongs to an MA in an MD The MD and MA define the level attribute and VLAN attribute of the messages handled by the MPs in a service in...

Страница 26: ...m view system view N A 2 Configure a MEP list cfd meplist mep list service instance instance id By default no MEP list is configured 3 Enter Layer 2 Ethernet interface view or Layer 2 aggregate interface view interface interface type interface number N A 4 Create a MEP cfd mep mep id service instance instance id inbound outbound By default no MEP is configured Configuring MIP auto generation rules...

Страница 27: ...5 CCM interval field encoding CCM interval field Transmission interval Maximum CCM lifetime 1 10 3 milliseconds 35 3 milliseconds 2 10 milliseconds 35 milliseconds 3 100 milliseconds 350 milliseconds 4 1 second 3 5 seconds 5 10 seconds 35 seconds 6 60 seconds 210 seconds 7 600 seconds 2100 seconds Follow these guidelines when you configure CC on a MEP Configure the same CCM interval field value fo...

Страница 28: ...get MEPs and can locate link faults by automatically sending LT messages The two functions are implemented in the following way Tracing path The source MEP first sends LTM messages to the target MEP Based on the LTR messages in response to the LTM messages the path between the two MEPs is identified LT messages automatic sending If the source MEP fails to receive the CCM frames from the target MEP...

Страница 29: ... AIS Step Command Remarks 1 Enter system view system view N A 2 Enable AIS cfd ais enable By default AIS is disabled 3 Configure the AIS frame transmission level cfd ais level level value service instance instance id By default the AIS frame transmission level is not configured 4 Configure the AIS frame transmission interval cfd ais period period value service instance instance id By default the A...

Страница 30: ...average two way frame delay and two way frame delay variation between two MEPs It also monitors and manages the link transmission performance To configure two way DM Task Command Remarks Configure two way DM cfd dm two way service instance instance id mep mep id target mac mac address target mep target mep id number number Available in any view Configuring TST The TST function detects bit errors o...

Страница 31: ...configuration takes effect If the intersection of the configured VLANs where the EAIS frames can be transmitted and the VLANs to which the port belongs is empty no EAIS frame is sent If the intersection contains more than 70 VLANs and the EAIS frame transmission interval is 1 second the CPU usage will be too high In this case HP recommends that you set the EAIS frame transmission interval to 60 se...

Страница 32: ...on information display cfd service instance instance id Display CFD status display cfd status Display the TST result on the specified MEP display cfd tst service instance instance id mep mep id Clear the one way DM result on the specified MEP reset cfd dm one way history service instance instance id mep mep id Clear the TST result on the specified MEP reset cfd tst service instance instance id mep...

Страница 33: ...bitEthernet 1 0 4 to VLAN 100 2 Enable CFD Enable CFD on Device A DeviceA system view DeviceA cfd enable Configure Device B through Device E in the same way Device A is configured Details not shown 3 Configure service instances Create MD_A level 5 on Device A and create service instance 1 in which the MA is identified by a VLAN and serves VLAN 100 DeviceA cfd md MD_A level 5 DeviceA cfd service in...

Страница 34: ...tance 2 outbound DeviceB GigabitEthernet1 0 3 quit On Device D configure a MEP list in service instances 1 and 2 DeviceD cfd meplist 1001 4002 5001 service instance 1 DeviceD cfd meplist 2001 4001 service instance 2 Create outward facing MEP 4001 in service instance 2 on GigabitEthernet 1 0 1 DeviceD interface gigabitethernet 1 0 1 DeviceD GigabitEthernet1 0 1 cfd mep 4001 service instance 2 outbo...

Страница 35: ...01 in service instance 1 on GigabitEthernet 1 0 4 DeviceE interface gigabitethernet 1 0 4 DeviceE GigabitEthernet1 0 4 cfd cc service instance 1 mep 5001 enable DeviceE GigabitEthernet1 0 4 quit 7 Configure AIS Enable AIS on Device B Configure the AIS frame transmission level as 5 and AIS frame transmission interval as 1 second in service instance 2 DeviceB cfd ais enable DeviceB cfd ais level 5 s...

Страница 36: ... slm service instance 1 mep 1001 target mep 4002 Reply from 0010 fc00 6514 Far end frame loss 10 Near end frame loss 20 Reply from 0010 fc00 6514 Far end frame loss 40 Near end frame loss 40 Reply from 0010 fc00 6514 Far end frame loss 0 Near end frame loss 10 Reply from 0010 fc00 6514 Far end frame loss 30 Near end frame loss 30 Average Far end frame loss 20 Near end frame loss 25 Far end frame l...

Страница 37: ...e network Test the bit errors on the link from MEP 1001 to MEP 4002 in service instance 1 on Device A DeviceA cfd tst service instance 1 mep 1001 target mep 4002 5 TSTs have been sent Please check the result on the remote device Display the TST result on MEP 4002 in service instance 1 on Device D DeviceD display cfd tst service instance 1 mep 4002 Service instance 1 MEP ID 4002 Sent TST total numb...

Страница 38: ...ection mechanisms such as auto negotiation can detect physical signals and faults They cannot detect communication failures for unidirectional links where the physical layer state is connected As a data link layer protocol the Device Link Detection Protocol DLDP detects whether the fiber link or twisted pair link is correctly connected at the link layer and whether the two ends can exchange packet...

Страница 39: ...Confirmed state exists Unidirectional DLDP is enabled on the port and globally and no neighbor in Confirmed state exists In this state a port does not send or receive packets other than DLDP packets any more DLDP timers Table 8 DLDP timers DLDP timer Description Advertisement timer Advertisement packet sending interval the default is 5 seconds and is configurable Probe timer Probe packet sending i...

Страница 40: ...of DLDP packets to 0 The receiving side checks the authentication information of received DLDP packets and drops packets where the authentication information conflicts with the local configuration Plaintext authentication The sending side sets the Authentication field to the password configured in plain text MD5 authentication The sending side encrypts the user configured password using MD5 algori...

Страница 41: ...and periodically sends Advertisement packets d After Port 2 receives the Advertisement packet it establishes the Unconfirmed neighborship with Port 1 Port 2 then starts the Echo timer and Probe timer and periodically sends Probe packets e After receiving the Probe packet Port 1 returns an Echo packet f After Port 2 receives the Echo packet and detects that the neighbor information in the packet ma...

Страница 42: ...ected through a hub and enabled with DLDP When Port 1 Port 2 and Port 3 detect that the link to Port 4 fails they deletes the neighborship with Port 4 but stay in Bidirectional state Configuration restrictions and guidelines When you configure DLDP follow these configuration restrictions and guidelines For DLDP to operate correctly enable DLDP on both sides and make sure these settings are consist...

Страница 43: ... the Advertisement packet sending interval Step Command Remarks 1 Enter system view system view N A 2 Set the interval to send Advertisement packets dldp interval time The default is 5 seconds Setting the DelayDown timer On some ports when the Tx line fails the port goes down and then comes up again causing optical signal jitters on the Rx line To avoid this problem when a port goes down due to a ...

Страница 44: ... DLDP when it receives a packet sent by itself This causes remote OAM loopback failure To prevent this set the port shutdown mode to manual mode For more information about Ethernet OAM see Configuring Ethernet OAM To set port shutdown mode Step Command Remarks 1 Enter system view system view N A 2 Set port shutdown mode dldp unidirectional shutdown auto manual The default mode is auto Configuring ...

Страница 45: ...ing down unidirectional links Network requirements As shown in Figure 10 Device A and Device B are connected with two fiber pairs Configure DLDP to automatically shut down the faulty port upon detecting a unidirectional link and automatically bring up the port after you clear the fault Figure 10 Network diagram Configuration procedure 1 Configure Device A Enable DLDP globally DeviceA system view D...

Страница 46: ...abitEthernet 1 0 2 to operate in full duplex mode and at 1000 Mbps and enable DLDP on it DeviceB interface gigabitethernet 1 0 2 DeviceB GigabitEthernet1 0 2 duplex full DeviceB GigabitEthernet1 0 2 speed 1000 DeviceB GigabitEthernet1 0 2 dldp enable DeviceB GigabitEthernet1 0 2 quit Set the port shutdown mode to auto DeviceB dldp unidirectional shutdown auto 3 Verify the configuration After the c...

Страница 47: ...iceA IFNET 3 PHY_UPDOWN GigabitEthernet1 0 2 link status is DOWN Jul 11 17 40 31 678 2014 DeviceA IFNET 5 LINK_UPDOWN Line protocol on the interface GigabitEthernet1 0 2 is DOWN Jul 11 17 40 38 544 2014 DeviceA IFNET 3 PHY_UPDOWN GigabitEthernet1 0 1 link status is UP Jul 11 17 40 38 836 2014 DeviceA IFNET 3 PHY_UPDOWN GigabitEthernet1 0 2 link status is UP The output shows that the port status of...

Страница 48: ...DLDP detected a bidirectional link on interface GigabitEthernet1 0 1 Jul 11 17 43 02 353 2014 DeviceA IFNET 5 LINK_UPDOWN Line protocol on the interface GigabitEthernet1 0 1 is UP Jul 11 17 43 02 357 2014 DeviceA IFNET 3 PHY_UPDOWN GigabitEthernet1 0 2 link status is UP Jul 11 17 43 02 362 2014 DeviceA DLDP 6 DLDP_NEIGHBOR_CONFIRMED A neighbor was confirmed on interface GigabitEthernet1 0 2 The ne...

Страница 49: ...ice B Enable DLDP globally DeviceB system view DeviceB dldp global enable Configure GigabitEthernet 1 0 1 to operate in full duplex mode and at 1000 Mbps and enable DLDP on it DeviceB interface gigabitethernet 1 0 1 DeviceB GigabitEthernet1 0 1 duplex full DeviceB GigabitEthernet1 0 1 speed 1000 DeviceB GigabitEthernet1 0 1 dldp enable DeviceB GigabitEthernet1 0 1 quit Configure GigabitEthernet 1 ...

Страница 50: ...or DeviceA terminal logging level 6 The following log information is displayed on Device A DeviceA Jul 12 08 29 17 786 2014 DeviceA IFNET 3 PHY_UPDOWN GigabitEthernet1 0 1 link status is DOWN Jul 12 08 29 17 787 2014 DeviceA IFNET 5 LINK_UPDOWN Line protocol on the interface GigabitEthernet1 0 1 is DOWN Jul 12 08 29 17 800 2014 DeviceA IFNET 3 PHY_UPDOWN GigabitEthernet1 0 2 link status is DOWN Ju...

Страница 51: ...layed on Device A DeviceA GigabitEthernet1 0 1 Jul 12 08 34 23 717 2014 DeviceA IFNET 3 PHY_UPDOWN GigabitEthernet1 0 1 link status is DOWN Jul 12 08 34 23 718 2014 DeviceA IFNET 5 LINK_UPDOWN Line protocol on the interface GigabitEthernet1 0 1 is DOWN Jul 12 08 34 23 778 2014 DeviceA IFNET 3 PHY_UPDOWN GigabitEthernet1 0 2 link status is DOWN Jul 12 08 34 23 779 2014 DeviceA IFNET 5 LINK_UPDOWN L...

Страница 52: ...igabitEthernet1 0 1 undo shutdown The following log information is displayed on Device A DeviceA GigabitEthernet1 0 1 Jul 12 08 48 25 952 2014 DeviceA IFNET 3 PHY_UPDOWN GigabitEthernet1 0 1 link status is UP Jul 12 08 48 25 952 2014 DeviceA DLDP 6 DLDP_NEIGHBOR_CONFIRMED A neighbor was confirmed on interface GigabitEthernet1 0 1 The neighbor s system MAC is 0023 8956 3600 and the port index is 1 ...

Страница 53: ...ces support RRPP Interfaces numbered from 1 to 8 Interfaces numbered 25 and 26 HP 5130 48G 2SFP 2XGT EI Switch JG939A and HP 5130 48G PoE 2SFP 2XGT 370W EI Switch JG941A Only the following interfaces support RRPP Interfaces numbered from 1 to 16 Interfaces numbered 49 and 50 Overview Metropolitan area networks MANs and enterprise networks typically use the ring topology to improve reliability Howe...

Страница 54: ... RRPP rings Ring 1 and Ring 2 All the nodes on the two RRPP rings belong to the RRPP domain RRPP ring A ring shaped Ethernet topology is called an RRPP ring RRPP rings include primary rings and subrings You can configure a ring as either the primary ring or a subring by specifying its ring level The primary ring is of level 0 and a subring is of level 1 An RRPP domain contains one or multiple RRPP...

Страница 55: ...e of its directly connected RRPP links and notifies the master node of the link state changes if any Based on the link state changes the master node determines the operations to be performed Edge node A special node residing on both the primary ring and a subring at the same time An edge node acts as a master node or transit node on the primary ring and as an edge node on the subring Assistant edg...

Страница 56: ... and assistant edge node must connect to the same subring packet tunnels in major ring SRPTs Edge Hello packets of the edge node of these subrings travel to the assistant edge node of these subrings over the same link An RRPP ring group configured on the edge node is an edge node RRPP ring group An RRPP ring group configured on an assistant edge node is an assistant edge node RRPP ring group Only ...

Страница 57: ...rimary port at the Hello interval These Hello packets travel through each transit node on the ring in turn If the ring is complete the secondary port of the master node receives Hello packets before the Fail timer expires The master node keeps the secondary port blocked If the ring is disconnected the secondary port of the master node fails to receive Hello packets before the Fail timer expires Th...

Страница 58: ... the assistant edge node are down the master nodes of Ring 2 and Ring 3 will open their secondary ports A loop is generated among Device B Device C Device E and Device F causing a broadcast storm To avoid generating a loop the edge node will temporarily block the edge port The blocked edge port is activated only when the edge node determines that no loop will be generated when the edge port is act...

Страница 59: ...4 two or more rings exist in the network topology and only one common node exists between rings You must define an RRPP domain for each ring Figure 14 Schematic diagram for a tangent ring network Intersecting rings As shown in Figure 15 two or more rings exist in the network topology and two common nodes exist between rings You need only define an RRPP domain and configure one ring as the primary ...

Страница 60: ...a dual homed ring network Single ring load balancing In a single ring network you can achieve load balancing by configuring multiple domains As shown in Figure 17 Ring 1 is configured as the primary ring of both Domain 1 and Domain 2 Domain 1 and Domain 2 are configured with different protected VLANs In Domain 1 Device A is configured as the master node of Ring 1 In Domain 2 Device B is configured...

Страница 61: ... master node of Ring 1 in Domain 1 Device D is configured as the master node of Ring 1 in Domain 2 Device E is configured as the master node of Ring 2 in both Domain 1 and Domain 2 However different ports on Device E are blocked in Domain 1 and Domain 2 With the configurations you can enable traffic from different VLANs to travel over different paths in the subring and primary ring achieving inter...

Страница 62: ...n the RRPP domain Perform this task on all nodes in the RRPP domain Required Activating an RRPP domain Perform this task on all nodes in the RRPP domain Optional Configuring RRPP timers Perform this task on the master node in the RRPP domain Optional Configuring an RRPP ring group Perform this task on the edge node and assistant edge node in the RRPP domain Creating an RRPP domain When you create ...

Страница 63: ...ntrol VLANs Step Command Remarks 1 Enter system view system view N A 2 Enter RRPP domain view rrpp domain domain id N A 3 Configure the primary control VLAN for the RRPP domain control vlan vlan id By default no control VLAN exists in the RRPP domain Configuring protected VLANs Before you configure RRPP rings in an RRPP domain configure the same protected VLANs for all nodes in the RRPP domain All...

Страница 64: ... Layer 2 LAN Switching Command Reference 5 Optional Display the currently activated configuration information of the MST region display stp region configuration Available in any view The output of the command includes VLAN to instance mappings For more information about the command see Layer 2 LAN Switching Command Reference 6 Return to system view quit Not required if the device is operating in P...

Страница 65: ...ANs of the RRPP domain port trunk permit vlan vlan id list all By default a trunk port allows only packets from VLAN 1 to pass through RRPP ports always allow packets from the control VLANs to pass through For more information about the command see Layer 2 LAN Switching Command Reference 5 Disable the spanning tree feature undo stp enable By default the spanning tree feature is enabled For more in...

Страница 66: ...t ring ring id node mode master transit primary port interface type interface number secondary port interface type interface number level level value By default the device is not a node of the RRPP ring 4 Specify the current device as the edge node of a subring and specify the edge port ring ring id node mode edge edge port interface type interface number By default the device is not a node of the...

Страница 67: ...in the RRPP domain To activate an RRPP domain Step Command Remarks 1 Enter system view system view N A 2 Enable RRPP rrpp enable By default RRPP is disabled 3 Enter RRPP domain view rrpp domain domain id N A 4 Enable the specified RRPP ring ring ring id enable By default an RRPP ring is disabled Configuring RRPP timers The Fail timer must be greater than or equal to three times the Hello timer In ...

Страница 68: ...igurations and activation status Make sure all subrings in an RRPP ring group have the same SRPTs If the SRPTs of these subrings are different the RRPP ring group cannot operate correctly Perform this task on both the edge node and the assistant edge node in an RRPP domain To configure an RRPP ring group Step Command Remarks 1 Enter system view system view N A 2 Create an RRPP ring group and enter...

Страница 69: ...e B Device C and Device D as the transit nodes of primary ring 1 Specify GigabitEthernet 1 0 1 as the primary port and GigabitEthernet 1 0 2 as the secondary port on Device B Device C and Device D Figure 19 Network diagram Configuration procedure 1 Configure Device A Create VLANs 1 through 30 DeviceA system view DeviceA vlan 1 to 30 Map these VLANs to MSTI 1 DeviceA stp region configuration Device...

Страница 70: ... 1 DeviceA rrpp domain1 protected vlan reference instance 1 Configure Device A as the master node of primary ring 1 with GigabitEthernet 1 0 1 as the primary port and GigabitEthernet 1 0 2 as the secondary port Enable ring 1 DeviceA rrpp domain1 ring 1 node mode master primary port gigabitethernet 1 0 1 secondary port gigabitethernet 1 0 2 level 0 DeviceA rrpp domain1 ring 1 enable DeviceA rrpp do...

Страница 71: ...ring 1 DeviceB rrpp domain1 ring 1 node mode transit primary port gigabitethernet 1 0 1 secondary port gigabitethernet 1 0 2 level 0 DeviceB rrpp domain1 ring 1 enable DeviceB rrpp domain1 quit Enable RRPP DeviceB rrpp enable 3 Configure Device C Configure Device C in the same way Device B is configured 4 Configure Device D Configure Device D in the same way Device B is configured Verifying the co...

Страница 72: ...nfiguration DeviceA mst region quit Set the physical state change suppression interval to 0 seconds on GigabitEthernet 1 0 1 DeviceA interface gigabitethernet 1 0 1 DeviceA GigabitEthernet1 0 1 link delay 0 Disable the spanning tree feature on the port DeviceA GigabitEthernet1 0 1 undo stp enable Configure the port as a trunk port DeviceA GigabitEthernet1 0 1 port link type trunk Assign the port t...

Страница 73: ...hrough 30 DeviceB system view DeviceB vlan 1 to 30 Map these VLANs to MSTI 1 DeviceB stp region configuration DeviceB mst region instance 1 vlan 1 to 30 Activate the MST region configuration DeviceB mst region active region configuration DeviceB mst region quit Set the physical state change suppression interval to 0 seconds on GigabitEthernet 1 0 1 DeviceB interface gigabitethernet 1 0 1 DeviceB G...

Страница 74: ...thernet 1 0 2 level 0 DeviceB rrpp domain1 ring 1 enable Configure Device B as the edge node of subring 2 with GigabitEthernet 1 0 3 as the edge port Enable ring 2 DeviceB rrpp domain1 ring 2 node mode edge edge port gigabitethernet 1 0 3 DeviceB rrpp domain1 ring 2 enable DeviceB rrpp domain1 quit Enable RRPP DeviceB rrpp enable 3 Configure Device C Create VLANs 1 through 30 DeviceC system view D...

Страница 75: ...ceC rrpp domain1 protected vlan reference instance 1 Configure Device C as a transit node of primary ring 1 with GigabitEthernet 1 0 1 as the primary port and GigabitEthernet 1 0 2 as the secondary port Enable ring 1 DeviceC rrpp domain1 ring 1 node mode transit primary port gigabitethernet 1 0 1 secondary port gigabitethernet 1 0 2 level 0 DeviceC rrpp domain1 ring 1 enable Configure Device C as ...

Страница 76: ...1 DeviceD rrpp domain1 protected vlan reference instance 1 Configure Device D as the transit node of primary ring 1 with GigabitEthernet 1 0 1 as the primary port and GigabitEthernet 1 0 2 as the secondary port Enable ring 1 DeviceD rrpp domain1 ring 1 node mode transit primary port gigabitethernet 1 0 1 secondary port gigabitethernet 1 0 2 level 0 DeviceD rrpp domain1 ring 1 enable DeviceD rrpp d...

Страница 77: ...ble Verifying the configuration Use the display commands to view RRPP configuration and operational information on each device Dual homed rings configuration example Network requirements As shown in Figure 21 Device A through Device H form RRPP domain 1 Specify the primary control VLAN of RRPP domain 1 as VLAN 4092 Specify the protected VLANs of RRPP domain 1 as VLANs 1 through 30 Device A through...

Страница 78: ...ve region configuration DeviceA mst region quit Set the physical state change suppression interval to 0 seconds on GigabitEthernet 1 0 1 DeviceA interface gigabitethernet 1 0 1 DeviceA GigabitEthernet1 0 1 link delay 0 Disable the spanning tree feature on the port DeviceA GigabitEthernet1 0 1 undo stp enable Configure the port as a trunk port DeviceA GigabitEthernet1 0 1 port link type trunk Assig...

Страница 79: ...ate RRPP domain 1 DeviceA rrpp domain 1 Configure VLAN 4092 as the primary control VLAN of RRPP domain 1 DeviceA rrpp domain1 control vlan 4092 Configure the VLANs mapped to MSTI 1 as the protected VLANs of RRPP domain 1 DeviceA rrpp domain1 protected vlan reference instance 1 Configure Device A as the master node of primary ring 1 with GigabitEthernet 1 0 1 as the primary port and GigabitEthernet...

Страница 80: ...vlan 1 to 30 DeviceB GigabitEthernet1 0 2 quit Configure GigabitEthernet 1 0 3 in the same way GigabitEthernet 1 0 1 is configured DeviceB interface gigabitethernet 1 0 3 DeviceB GigabitEthernet1 0 3 link delay 0 DeviceB GigabitEthernet1 0 3 undo stp enable DeviceB GigabitEthernet1 0 3 port link type trunk DeviceB GigabitEthernet1 0 3 port trunk permit vlan 1 to 30 DeviceB GigabitEthernet1 0 3 qui...

Страница 81: ...e the MST region configuration DeviceC mst region active region configuration DeviceC mst region quit Set the physical state change suppression interval to 0 seconds on GigabitEthernet 1 0 1 DeviceC interface gigabitethernet 1 0 1 DeviceC GigabitEthernet1 0 1 link delay 0 Disable the spanning tree feature on the port DeviceC GigabitEthernet1 0 1 undo stp enable Configure the port as a trunk port D...

Страница 82: ...abitEthernet 1 0 2 as the secondary port Enable ring 1 DeviceC rrpp domain1 ring 1 node mode transit primary port gigabitethernet 1 0 1 secondary port gigabitethernet 1 0 2 level 0 DeviceC rrpp domain1 ring 1 enable Configure Device C as the assistant edge node of subring 4 with GigabitEthernet 1 0 3 as the edge port Enable subring 4 DeviceC rrpp domain1 ring 4 node mode assistant edge edge port g...

Страница 83: ... trunk permit vlan 1 to 30 DeviceD GigabitEthernet1 0 3 quit Configure GigabitEthernet 1 0 4 in the same way GigabitEthernet 1 0 1 is configured DeviceD interface gigabitethernet 1 0 4 DeviceD GigabitEthernet1 0 4 link delay 0 DeviceD GigabitEthernet1 0 4 undo stp enable DeviceD GigabitEthernet1 0 4 port link type trunk DeviceD GigabitEthernet1 0 4 port trunk permit vlan 1 to 30 DeviceD GigabitEth...

Страница 84: ...rt link type trunk Assign the port to VLANs 1 through 30 DeviceE GigabitEthernet1 0 1 port trunk permit vlan 1 to 30 DeviceE GigabitEthernet1 0 1 quit Configure GigabitEthernet 1 0 2 in the same way GigabitEthernet 1 0 1 is configured DeviceE interface gigabitethernet 1 0 2 DeviceE GigabitEthernet1 0 2 link delay 0 DeviceE GigabitEthernet1 0 2 undo stp enable DeviceE GigabitEthernet1 0 2 port link...

Страница 85: ...t Configure GigabitEthernet 1 0 2 in the same way GigabitEthernet 1 0 1 is configured DeviceF interface gigabitethernet 1 0 2 DeviceF GigabitEthernet1 0 2 link delay 0 DeviceF GigabitEthernet1 0 2 undo stp enable DeviceF GigabitEthernet1 0 2 port link type trunk DeviceF GigabitEthernet1 0 2 port trunk permit vlan 1 to 30 DeviceF GigabitEthernet1 0 2 quit Create RRPP domain 1 DeviceF rrpp domain 1 ...

Страница 86: ...DeviceG interface gigabitethernet 1 0 2 DeviceG GigabitEthernet1 0 2 link delay 0 DeviceG GigabitEthernet1 0 2 undo stp enable DeviceG GigabitEthernet1 0 2 port link type trunk DeviceG GigabitEthernet1 0 2 port trunk permit vlan 1 to 30 DeviceG GigabitEthernet1 0 2 quit Create RRPP domain 1 DeviceG rrpp domain 1 Configure VLAN 4092 as the primary control VLAN of RRPP domain 1 DeviceG rrpp domain1 ...

Страница 87: ...ernet1 0 2 undo stp enable DeviceH GigabitEthernet1 0 2 port link type trunk DeviceH GigabitEthernet1 0 2 port trunk permit vlan 1 to 30 DeviceH GigabitEthernet1 0 2 quit Create RRPP domain 1 DeviceH rrpp domain 1 Configure VLAN 4092 as the primary control VLAN of RRPP domain 1 DeviceH rrpp domain1 control vlan 4092 Configure the VLANs mapped to MSTI 1 as the protected VLANs of RRPP domain 1 Devic...

Страница 88: ...e of the subring Ring 2 Specify VLAN 1 1 as the protected VLAN of domain 1 and VLAN 12 the protected VLAN of domain 2 You can implement VLAN based load balancing on Ring 1 Ring 2 and Ring 3 have the same edge node and assistant edge node and the two subrings have the same SRPTs You can add Ring 2 and Ring 3 to an RRPP ring group to reduce Edge Hello traffic Figure 22 Network diagram Configuration ...

Страница 89: ...ntrol VLAN of RRPP domain 1 DeviceA rrpp domain1 control vlan 100 Configure the VLAN mapped to MSTI 1 as the protected VLAN of RRPP domain 1 DeviceA rrpp domain1 protected vlan reference instance 1 Configure Device A as the master node of primary ring 1 with GigabitEthernet 1 0 1 as the primary port and GigabitEthernet 1 0 2 as the secondary port Enable ring 1 DeviceA rrpp domain1 ring 1 node mode...

Страница 90: ...n 11 DeviceB GigabitEthernet1 0 1 quit Configure GigabitEthernet 1 0 2 in the same way GigabitEthernet 1 0 1 is configured DeviceB interface gigabitethernet 1 0 2 DeviceB GigabitEthernet1 0 2 link delay 0 DeviceB GigabitEthernet1 0 2 undo stp enable DeviceB GigabitEthernet1 0 2 port link type trunk DeviceB GigabitEthernet1 0 2 undo port trunk permit vlan 1 DeviceB GigabitEthernet1 0 2 port trunk p...

Страница 91: ...eviceB rrpp domain1 ring 1 node mode transit primary port gigabitethernet 1 0 1 secondary port gigabitethernet 1 0 2 level 0 DeviceB rrpp domain1 ring 1 enable Configure Device B as the assistant edge node of subring 3 in RRPP domain 1 with GigabitEthernet 1 0 4 as the edge port Enable subring 3 DeviceB rrpp domain1 ring 3 node mode assistant edge edge port gigabitethernet 1 0 4 DeviceB rrpp domai...

Страница 92: ...tEthernet1 0 1 port trunk permit vlan 11 12 Configure VLAN 11 as the default VLAN DeviceC GigabitEthernet1 0 1 port trunk pvid vlan 11 DeviceC GigabitEthernet1 0 1 quit Configure GigabitEthernet 1 0 2 in the same way GigabitEthernet 1 0 1 is configured DeviceC interface gigabitethernet 1 0 2 DeviceC GigabitEthernet1 0 2 link delay 0 DeviceC GigabitEthernet1 0 2 undo stp enable DeviceC GigabitEther...

Страница 93: ... protected vlan reference instance 1 Configure Device C as the transit node of primary ring 1 in RRPP domain 1 with GigabitEthernet 1 0 1 as the primary port and GigabitEthernet 1 0 2 as the secondary port Enable ring 1 DeviceC rrpp domain1 ring 1 node mode transit primary port gigabitethernet 1 0 1 secondary port gigabitethernet 1 0 2 level 0 DeviceC rrpp domain1 ring 1 enable Configure Device C ...

Страница 94: ... 1 undo stp enable Configure the port as a trunk port DeviceD GigabitEthernet1 0 1 port link type trunk Remove the port from VLAN 1 and assign it to VLANs 11 and 12 DeviceD GigabitEthernet1 0 1 undo port trunk permit vlan 1 DeviceD GigabitEthernet1 0 1 port trunk permit vlan 11 12 Configure VLAN 11 as the default VLAN DeviceD GigabitEthernet1 0 1 port trunk pvid vlan 11 DeviceD GigabitEthernet1 0 ...

Страница 95: ...de mode transit primary port gigabitethernet 1 0 1 secondary port gigabitethernet 1 0 2 level 0 DeviceD rrpp domain2 ring 1 enable DeviceD rrpp domain2 quit Enable RRPP DeviceD rrpp enable 5 Configure Device E Create VLAN 12 DeviceE system view DeviceE vlan 12 Map VLAN 12 to MSTI 2 DeviceE vlan12 quit DeviceE stp region configuration DeviceE mst region instance 2 vlan 12 Activate the MST region co...

Страница 96: ...secondary port Enable ring 2 DeviceE rrpp domain2 ring 2 node mode master primary port gigabitethernet 1 0 2 secondary port gigabitethernet 1 0 1 level 1 DeviceE rrpp domain2 ring 2 enable DeviceE rrpp domain2 quit Enable RRPP DeviceE rrpp enable 6 Configure Device F Create VLAN 11 DeviceF system view DeviceF vlan 11 DeviceF vlan11 quit Map VLAN 11 to MSTI 1 DeviceF stp region configuration Device...

Страница 97: ...h GigabitEthernet 1 0 1 as the primary port and GigabitEthernet 1 0 2 as the secondary port Enable subring 3 DeviceF rrpp domain1 ring 3 node mode master primary port gigabitethernet 1 0 1 secondary port gigabitethernet 1 0 2 level 1 DeviceF rrpp domain1 ring 3 enable DeviceF rrpp domain1 quit Enable RRPP DeviceF rrpp enable 7 Configure RRPP ring group settings on Device B and Device C Create RRPP...

Страница 98: ...he ring enable command to enable RRPP and RRPP rings for all nodes Use the display rrpp brief command to determine whether the domain ID and primary control VLAN ID are the same for all nodes If they are not set the same domain ID and primary control VLAN ID for the nodes Use the display rrpp verbose command to examine the link state of each port in each ring Use the debugging rrpp command on each...

Страница 99: ...ls see Layer 2 LAN Switching Configuration Guide Smart Link is a feature developed to address the slow convergence issue with STP It provides link redundancy as well as fast convergence in a dual uplink network allowing the backup link to take over quickly when the primary link fails Smart Link features subsecond convergence time A Smart Link device is configured with a smart link group and a tran...

Страница 100: ...k Flush message Flush messages are used by a smart link group to notify other devices to refresh their MAC address forwarding entries and ARP ND entries when link switchover occurs in the smart link group Flush messages are common multicast data packets and will be dropped by a blocked receiving port Protected VLAN A smart link group controls the forwarding state of protected VLANs Each smart link...

Страница 101: ... takes over to forward traffic as soon as its link recovers and Port 2 is automatically blocked and placed in standby state Load sharing A ring network might carry traffic of multiple VLANs Smart Link can forward traffic from different VLANs in different smart link groups for load sharing To implement load sharing you can assign a port to multiple smart link groups Configure each group with a diff...

Страница 102: ...ce Required Enabling the receiving of flush messages Configuring a Smart Link device Configuration prerequisites Before configuring a Smart Link device complete the following tasks To prevent loops shut down a port before configuring it as a smart link group member You can bring up the port only after completing the smart link group configuration Disable the spanning tree feature on the ports you ...

Страница 103: ...command see Layer 2 LAN Switching Command Reference 6 Return to system view quit N A 7 Create a smart link group and enter smart link group view smart link group group id N A 8 Configure protected VLANs for the smart link group protected vlan reference instance instance id list By default no protected VLAN is configured for a smart link group Configuring member ports for a smart link group You can...

Страница 104: ...The preemption delay configuration takes effect only after role preemption is enabled Enabling the sending of flush messages Follow these guidelines when you enable the sending of flush messages The control VLAN configured for a smart link group must be different from the control VLAN configured for any other smart link group Make sure the configured control VLAN already exists and assign the smar...

Страница 105: ...n the associated device s ports that connect to the member ports of the smart link group Otherwise the ports will discard flush messages when they are not in forwarding state if a topology change occurs Enabling the receiving of flush messages You do not need to enable all ports on the associated devices to receive flush messages Enable the feature only on all control VLANs of ports on the primary...

Страница 106: ...command in user view Task Command Display information about the received flush messages display smart link flush Display smart link group information display smart link group group id all Clear the statistics about flush messages reset smart link statistics Smart Link configuration examples Single smart link group configuration example Network requirements As shown in Figure 24 Device C and Device...

Страница 107: ...bitEthernet1 0 1 shutdown DeviceC GigabitEthernet1 0 1 undo stp enable DeviceC GigabitEthernet1 0 1 port link type trunk DeviceC GigabitEthernet1 0 1 port trunk permit vlan 1 to 30 DeviceC GigabitEthernet1 0 1 quit DeviceC interface gigabitethernet 1 0 2 DeviceC GigabitEthernet1 0 2 shutdown DeviceC GigabitEthernet1 0 2 undo stp enable DeviceC GigabitEthernet1 0 2 port link type trunk DeviceC Giga...

Страница 108: ...ely configure them as trunk ports and assign them to VLANs 1 through 30 DeviceD interface gigabitethernet 1 0 1 DeviceD GigabitEthernet1 0 1 shutdown DeviceD GigabitEthernet1 0 1 undo stp enable DeviceD GigabitEthernet1 0 1 port link type trunk DeviceD GigabitEthernet1 0 1 port trunk permit vlan 1 to 30 DeviceD GigabitEthernet1 0 1 quit DeviceD interface gigabitethernet 1 0 2 DeviceD GigabitEthern...

Страница 109: ...B GigabitEthernet1 0 2 port link type trunk DeviceB GigabitEthernet1 0 2 port trunk permit vlan 1 to 30 DeviceB GigabitEthernet1 0 2 undo stp enable DeviceB GigabitEthernet1 0 2 smart link flush enable control vlan 20 DeviceB GigabitEthernet1 0 2 quit Configure GigabitEthernet 1 0 3 as a trunk port and assign it to VLANs 1 through 30 Disable the spanning tree feature and enable flush message recei...

Страница 110: ... Configure Device A Create VLANs 1 through 30 DeviceA system view DeviceA vlan 1 to 30 Configure GigabitEthernet 1 0 1 and GigabitEthernet 1 0 2 as trunk ports assign them to VLANs 1 through 30 enable flush message receiving on them and configure VLAN 10 and VLAN 20 as the receive control VLANs DeviceA interface gigabitethernet 1 0 1 DeviceA GigabitEthernet1 0 1 port link type trunk DeviceA Gigabi...

Страница 111: ...igure 25 Device C is a Smart Link device Device A Device B and Device D are associated devices Traffic of VLANs 1 through 200 on Device C is dually uplinked to Device A by Device B and Device D Implement dual uplink backup and load sharing on Device C Traffic of VLANs 1 through 100 is uplinked to Device A by Device B Traffic of VLANs 101 through 200 is uplinked to Device A by Device D Figure 25 Ne...

Страница 112: ... group1 port gigabitethernet 1 0 1 primary DeviceC smlk group1 port gigabitethernet 1 0 2 secondary Enable role preemption in smart link group 1 enable flush message sending and configure VLAN 10 as the transmit control VLAN DeviceC smlk group1 preemption mode role DeviceC smlk group1 flush enable control vlan 10 DeviceC smlk group1 quit Create smart link group 2 and configure all VLANs mapped to ...

Страница 113: ... flush enable control vlan 10 110 DeviceB GigabitEthernet1 0 2 quit 3 Configure Device D Create VLAN 1 through VLAN 200 DeviceD system view DeviceD vlan 1 to 200 Configure GigabitEthernet 1 0 1 as a trunk port assign it to VLANs 1 through 200 enable flush message receiving and configure VLAN 10 and VLAN 110 as the receive control VLANs on the port DeviceD interface gigabitethernet 1 0 1 DeviceD Gi...

Страница 114: ...ommand to display the smart link group configuration on a device Display the smart link group configuration on Device C DeviceC display smart link group all Smart link group 1 information Device ID 000f e23d 5af0 Preemption mode ROLE Preemption delay 1 s Control VLAN 10 Protected VLAN Reference Instance 1 Member Role State Flush count Last flush time GE1 0 1 PRIMARY ACTIVE 5 16 45 20 2014 04 21 GE...

Страница 115: ...vice C through GigabitEthernet 1 0 1 primary port of smart link group 1 Traffic of VLANs 101 through 200 is uplinked to Device A by Device C through GigabitEthernet 1 0 2 primary port of smart link group 2 When the link between Device C and Device A fails traffic is quickly switched to the secondary port of each smart link group and switched back to the primary ports after the fault is cleared For...

Страница 116: ...te service instance 2 in which the MA name is based on the VLAN ID in MD_A and configure the MA to serve VLAN 110 DeviceA cfd service instance 2 ma id vlan based md MD_A vlan 110 Create a MEP list in service instance 2 create outward facing MEP 1002 and enable CCM sending in service instance 2 on GigabitEthernet 1 0 2 DeviceA cfd meplist 2001 2002 service instance 2 DeviceA interface gigabitethern...

Страница 117: ...1 undo stp enable DeviceC GigabitEthernet1 0 1 port link type trunk DeviceC GigabitEthernet1 0 1 port trunk permit vlan 1 to 200 DeviceC GigabitEthernet1 0 1 quit DeviceC interface gigabitethernet 1 0 2 DeviceC GigabitEthernet1 0 2 shutdown DeviceC GigabitEthernet1 0 2 undo stp enable DeviceC GigabitEthernet1 0 2 port link type trunk DeviceC GigabitEthernet1 0 2 port trunk permit vlan 1 to 200 Dev...

Страница 118: ... 1 quit Create service instance 2 in which the MA name is based on the VLAN ID in MD_A and configure the MA to serve VLAN 110 DeviceC cfd service instance 2 ma id vlan based md MD_A vlan 110 Create a MEP list in service instance 2 Create outward facing MEP 2001 Enable CCM sending in service instance 2 on GigabitEthernet 1 0 2 DeviceC cfd meplist 2001 2002 service instance 2 DeviceC interface gigab...

Страница 119: ...le flush message receiving on it Configure VLAN 10 and VLAN 110 as the receive control VLANs DeviceD interface gigabitethernet 1 0 2 DeviceD GigabitEthernet1 0 2 port link type trunk DeviceD GigabitEthernet1 0 2 port trunk permit vlan 1 to 200 DeviceD GigabitEthernet1 0 2 undo stp enable DeviceD GigabitEthernet1 0 2 smart link flush enable control vlan 10 110 DeviceD GigabitEthernet1 0 2 quit Veri...

Страница 120: ...ate Flush count Last flush time GE1 0 2 PRIMARY ACTIVE 5 16 45 20 2014 04 21 GE1 0 1 SECONDARY STANDBY 1 16 37 20 2014 04 21 The output shows that primary port GigabitEthernet 1 0 1 of smart link group 1 fails and secondary port GigabitEthernet 1 0 2 is in forwarding state ...

Страница 121: ... interfaces When a monitor link group contains no uplink interface or all the uplink interfaces are down the monitor link group goes down As long as one member uplink interface is up the monitor link group stays up Downlink interfaces are the monitoring interfaces The state of the downlink interfaces is associated with the state of the monitor link group When the state of the monitor link group ch...

Страница 122: ... up following an uplink interface Monitor Link configuration task list Tasks at a glance Required Enabling Monitor Link globally Required Creating a monitor link group Required Configuring monitor link group member interfaces Optional Configuring the switchover delay for the downlink interfaces in a monitor link group Enabling Monitor Link globally All monitor link groups can operate only after yo...

Страница 123: ... monitor link group In monitor link group view To configure member interfaces for a monitor link group in monitor link group view Step Command Remarks 1 Enter system view system view N A 2 Enter monitor link group view monitor link group group id N A 3 Configure member interfaces for the monitor link group port interface type interface number downlink uplink By default a monitor link group has no ...

Страница 124: ...vice C is a Smart Link device and Device A Device B and Device D are associated devices Traffic of VLANs 1 through 30 on Device C is dual uplinked to Device A through a smart link group Implement dual uplink backup on Device C When the link between Device A and Device B or Device D fails Device C can detect the link fault and perform uplink switchover in the smart link group For more information a...

Страница 125: ...abitEthernet1 0 2 port trunk permit vlan 1 to 30 DeviceC GigabitEthernet1 0 2 quit Create smart link group 1 and configure all the VLANs mapped to MSTI 1 as the protected VLANs for smart link group 1 DeviceC smart link group 1 DeviceC smlk group1 protected vlan reference instance 1 Configure GigabitEthernet 1 0 1 as the primary port and GigabitEthernet 1 0 2 as the secondary port for smart link gr...

Страница 126: ...bitEthernet1 0 1 port trunk permit vlan 1 to 30 Enable flush message receiving on the interface DeviceB GigabitEthernet1 0 1 smart link flush enable DeviceB GigabitEthernet1 0 1 quit Disable the spanning tree feature on GigabitEthernet 1 0 2 DeviceB interface gigabitethernet 1 0 2 DeviceB GigabitEthernet1 0 2 undo stp enable Configure the interface as a trunk port DeviceB GigabitEthernet1 0 2 port...

Страница 127: ...mart link flush enable DeviceD GigabitEthernet1 0 2 quit Create monitor link group 1 DeviceD monitor link group 1 Configure GigabitEthernet 1 0 1 as an uplink interface for monitor link group 1 DeviceD mtlk group1 port gigabitethernet 1 0 1 uplink Configure GigabitEthernet 1 0 2 as a downlink interface for monitor link group 1 DeviceD mtlk group1 port gigabitethernet 1 0 2 downlink DeviceD mtlk gr...

Страница 128: ...122 Member Role Status GE1 0 1 UPLINK DOWN GE1 0 2 DOWNLINK DOWN ...

Страница 129: ...o directly connected systems Multihop detection Detects any of the paths between two systems These paths have multiple hops and might overlap BFD session establishment Establishing a BFD session BFD provides no neighbor discovery mechanism Protocols that BFD services notify BFD of routers to which it needs to establish sessions A BFD session is established as follows 1 A protocol sends Hello messa...

Страница 130: ...s BFD control packets If the peer end is operating in Asynchronous mode default the peer end stops sending BFD control packets If the peer end is operating in Demand mode both ends stop sending BFD control packets When the connectivity to another system needs to be verified explicitly a system sends several BFD control packets that have the Poll P bit set at the negotiated transmit interval If no ...

Страница 131: ...efault no source IP address is configured for echo packets The source IP address cannot be on the same network segment as any local interface s IP address Otherwise a large number of ICMP redirect packets might be sent from the peer resulting in link congestion The source IPv6 address of echo packets can only be a global unicast address 3 Enter interface view interface interface type interface num...

Страница 132: ...t mode for a BFD session in which control packets are sent and the session goes up BFD periodically sends echo packets to detect link connectivity and decrease control packet receive rate 7 Set the minimum interval for transmitting single hop BFD control packets bfd min transmit interval value The default setting is 400 milliseconds 8 Set the minimum interval for receiving single hop BFD control p...

Страница 133: ... transmit interval value The default setting is 400 milliseconds Configuring a BFD template This feature is available in Release 3108P01 and later versions Perform this task to specify BFD parameters in a template for sessions without next hops You can configure BFD parameters for LSPs and PWs through a BFD template To configure a BFD template Step Command Remarks 1 Enter system view system view N...

Страница 134: ...g BFD Execute the display command in any view and the reset command in user view Task Command Display BFD session information display bfd session discriminator value verbose Clear BFD session statistics reset bfd session statistics ...

Страница 135: ...ruption and network performance degradation Figure 29 Collaboration through the Track module Collaboration fundamentals The Track module collaborates with detection modules and application modules Collaboration between the Track module and a detection module The detection module sends the detection result of the associated tracked object to the Track module Depending on the result the Track module...

Страница 136: ...etween the NQA track and static routing modules 1 Create an NQA operation to monitor the accessibility of IP address 192 168 0 88 2 Create a track entry and associate it with the NQA operation When the next hop 192 168 0 88 is reachable the track entry is in Positive state When the next hop becomes unreachable the track entry is in Negative state 3 Associate the track entry with the static route W...

Страница 137: ... the Track module that the tracked object is operating correctly The Track module then sets the track entry to Positive state For more information about NQA see Network Management and Monitoring Configuration Guide To associate Track with NQA Step Command Remarks 1 Enter system view system view N A 2 Create a track entry associate it with an NQA reaction entry and specify the delay time for the Tr...

Страница 138: ...informs the track entry of the link failure The Track module then sets the track entry to Negative state If the CFD detects that the link is operating correctly the Track module sets the track entry to Positive state Before you associate Track with CFD enable CFD and create a MEP For more information see Configuring CFD To associate Track with CFD Step Command Remarks 1 Enter system view system vi...

Страница 139: ...ecified destination are forwarded through the path specified by the administrator For more information about static route configuration see Layer 3 IP Routing Configuration Guide The disadvantage of using static routes is that they cannot adapt to network topology changes Faults or topological changes in the network can make the routes unreachable causing communication interruption To prevent this...

Страница 140: ...mask interface type interface number next hop address next hop address track track entry number permanent preference preference value tag tag value description description text By default Track is not associated with static routing Associating Track with PBR PBR specifies the next hop for packets that match specific ACLs For more information about PBR see Layer 3 IP Routing Configuration Guide PBR...

Страница 141: ...BR policy node view policy based route policy name deny permit node node number N A 3 Define a match criterion Define an ACL match criterion if match acl acl number name acl name By default no packets are filtered 4 Associate Track with PBR Set the next hop and associate it with a track entry apply next hop ip address direct track track entry number 1 n By default the next hop is not specified You...

Страница 142: ...nformation about a specific or all track entries display track track entry number all Track configuration examples Static routing Track NQA collaboration configuration example Network requirements As shown in Figure 30 Switch A is the default gateway of the hosts in subnet 20 1 1 0 24 Switch D is the default gateway of the hosts in subnet 30 1 1 0 24 Hosts in the two subnets communicate with each ...

Страница 143: ... 24 10 3 1 3 preference 80 Configure a static route to 10 2 1 4 with the next hop 10 1 1 2 SwitchA ip route static 10 2 1 4 24 10 1 1 2 Create an NQA operation with the administrator admin and the operation tag test SwitchA nqa entry admin test Configure the operation type as ICMP echo SwitchA nqa admin test type icmp echo Configure the destination address of the operation as 10 2 1 4 and the next...

Страница 144: ... track 1 Configure a static route to 20 1 1 0 24 with the next hop 10 4 1 3 and the priority 80 SwitchD ip route static 20 1 1 0 24 10 4 1 3 preference 80 Configure a static route to 10 1 1 1 with the next hop 10 2 1 2 SwitchD ip route static 10 1 1 1 24 10 2 1 2 Create an NQA operation with the administrator admin and the operation tag test SwitchD nqa entry admin test Configure the operation typ...

Страница 145: ...10 1 1 2 Vlan2 10 3 1 0 24 Direct 0 0 10 3 1 1 Vlan3 10 3 1 1 32 Direct 0 0 127 0 0 1 InLoop0 20 1 1 0 24 Direct 0 0 20 1 1 1 Vlan6 20 1 1 1 32 Direct 0 0 127 0 0 1 InLoop0 30 1 1 0 24 Static 60 0 10 1 1 2 Vlan2 127 0 0 0 8 Direct 0 0 127 0 0 1 InLoop0 127 0 0 1 32 Direct 0 0 127 0 0 1 InLoop0 The output shows that Switch A forwards packets to 30 1 1 0 24 through Switch B Remove the IP address of ...

Страница 146: ...tes press CTRL_C to break Reply from 30 1 1 1 bytes 56 Sequence 1 ttl 254 time 2 ms Reply from 30 1 1 1 bytes 56 Sequence 2 ttl 254 time 1 ms Reply from 30 1 1 1 bytes 56 Sequence 3 ttl 254 time 1 ms Reply from 30 1 1 1 bytes 56 Sequence 4 ttl 254 time 2 ms Reply from 30 1 1 1 bytes 56 Sequence 5 ttl 254 time 1 ms Ping statistics for 30 1 1 1 5 packet s transmitted 5 packet s received 0 00 packet ...

Страница 147: ...e is the master route The static route to 20 1 1 0 24 with Switch C as the next hop acts as the backup route When the master route is unavailable BFD can quickly detect the route failure to make the backup route take effect Figure 31 Network diagram Configuration procedure 1 Create VLANs and assign ports to them Configure the IP address of each VLAN interface as shown in Figure 31 Details not show...

Страница 148: ...e static 30 1 1 0 24 10 4 1 2 Configure a static route to 20 1 1 0 24 with the next hop 10 3 1 1 SwitchB ip route static 20 1 1 0 24 10 3 1 1 Verifying the configuration Display information about the track entry on Switch A SwitchA display track all Track ID 1 State Positive Duration 0 days 0 hours 0 minutes 32 seconds Notification delay Positive 0 Negative 0 in seconds Tracked object BFD session ...

Страница 149: ...Display the routing table of Switch A SwitchA display ip routing table Destinations 9 Routes 9 Destination Mask Proto Pre Cost NextHop Interface 10 2 1 0 24 Direct 0 0 10 2 1 1 Vlan2 10 2 1 1 32 Direct 0 0 127 0 0 1 InLoop0 10 3 1 0 24 Direct 0 0 10 3 1 1 Vlan3 10 3 1 1 32 Direct 0 0 127 0 0 1 InLoop0 20 1 1 0 24 Direct 0 0 20 1 1 1 Vlan5 20 1 1 1 32 Direct 0 0 127 0 0 1 InLoop0 30 1 1 0 24 Static...

Страница 150: ...a bytes press CTRL_C to break Reply from 20 1 1 1 bytes 56 Sequence 1 ttl 254 time 2 ms Reply from 20 1 1 1 bytes 56 Sequence 2 ttl 254 time 1 ms Reply from 20 1 1 1 bytes 56 Sequence 3 ttl 254 time 1 ms Reply from 20 1 1 1 bytes 56 Sequence 4 ttl 254 time 1 ms Reply from 20 1 1 1 bytes 56 Sequence 5 ttl 254 time 1 ms Ping statistics for 20 1 1 1 5 packet s transmitted 5 packet s received 0 00 pac...

Страница 151: ...ing you will receive email notification of product enhancements new driver versions firmware updates and other product resources Related information Documents To find related documents browse to the Manuals page of the HP Business Support Center website http www hp com support manuals For related documentation navigate to the Networking section and select a networking category For a complete list ...

Страница 152: ...eparated by vertical bars from which you select one choice multiple choices or none 1 n The argument or keyword and argument combination before the ampersand sign can be entered 1 to n times A line that starts with a pound sign is comments GUI conventions Convention Description Boldface Window names button names field names and menu items are in bold text For example the New User window appears cl...

Страница 153: ...r a unified wired WLAN module or the switching engine on a unified wired WLAN switch Represents an access point Represents a mesh access point Represents omnidirectional signals Represents directional signals Represents a security product such as a firewall UTM multiservice security gateway or load balancing device Represents a security card such as a firewall load balancing NetStream SSL VPN IPS ...

Страница 154: ... availability Track NQA 131 high availability Track policy based routing 134 high availability Track Smart Link 136 high availability Track static routing 133 Smart Link associated device 99 association high availability CFD maintenance association 13 authenticating high availability DLDP MD5 authentication 38 high availability DLDP MD5 mode 34 high availability DLDP non authentication mode 34 hig...

Страница 155: ...ity static routing Track BFD collaboration 141 high availability static routing Track NQA collaboration 136 high availability Track configuration 129 130 136 high availability Track application modules 130 high availability Track detection modules 129 Smart Link mechanism 95 Smart Link Monitor Link 95 Smart Link Track 95 99 common port RRPP 49 common flush FDB RRPPDU type 50 complete flush FDB RRP...

Страница 156: ...Link group member port 97 Smart Link group member port group view 97 Smart Link group member port interface view 97 Smart Link group protected VLAN 96 Smart Link group role preemption 98 Smart Link Track collaboration 109 Smart Link Track collaboration 99 confirmed DLDP neighbor state 33 connecting high availability Ethernet OAM connection detection timer 4 high availability Ethernet OAM connectio...

Страница 157: ...ion protocol Use DLDP Monitor Link configuration 1 15 1 16 1 16 1 18 Monitor Link downlink interface switchover delay 1 17 Monitor Link group creation 1 16 Monitor Link group member interface 1 17 Smart Link associated device 99 Smart Link device 96 disconnect state RRPP ring 48 displaying high availability BFD 128 high availability CFD 25 high availability DLDP 39 high availability Ethernet OAM 1...

Страница 158: ...d frame seconds event detection 7 errored symbol event detection 5 how it works 1 link monitoring 2 link monitoring configuration 5 maintaining 10 OAMPDUs 1 port action configuration 8 protocols and standards 3 remote fault detection 3 remote loopback 3 remote loopback configuration 9 remote loopback on port 10 remote loopback on specific port 9 remote loopback request rejection 10 explicit rule C...

Страница 159: ...aintaining Ethernet OAM 10 maintaining RRPP 62 Monitor Link configuration 1 15 1 16 1 16 1 18 Monitor Link display 1 18 Monitor Link downlink interface switchover delay 1 17 Monitor Link global configuration 1 16 Monitor Link group creation 1 16 Monitor Link group member interface configuration 1 17 NQA Track static routing collaboration 130 RRPP configuration 47 56 63 RRPP dual homed rings config...

Страница 160: ...itoring configuration 5 high availability Ethernet OAM monitoring 2 high availability Ethernet OAM performance monitoring 1 high availability Ethernet OAM port action configuration 8 Monitor Link configuration 1 15 1 16 1 16 1 18 RRPP link down mechanism 52 Smart Link backup 94 Smart Link configuration 93 96 100 Smart Link group configuration multiple load sharing 105 Smart Link group configuratio...

Страница 161: ... TST configuration 24 high availability CFD 14 high availability CFD continuity check on MEP 21 high availability CFD linktrace on MEP configuration 22 high availability CFD loopback on MEP configuration 22 high availability CFD MEP configuration 20 high availability CFD MEP list 15 message Smart Link flush 94 messgae Smart Link flush message reception 99 Smart Link flush message send 98 MIP high ...

Страница 162: ...state 33 high availability DLDP single neighbor detection 34 network activating RRPP domain 61 CFD 1 way DM configuration 23 CFD 2 way DM configuration 24 CFD AIS configuration 23 CFD EAIS configuration 25 CFD LM configuration 23 CFD TST configuration 24 configuring RRPP control VLAN 56 configuring RRPP node 59 configuring RRPP port 58 configuring RRPP protected VLAN 57 configuring RRPP ring 58 hi...

Страница 163: ...device 99 Smart Link device 96 Smart Link flush message reception 99 Smart Link flush message send 98 Smart Link group member ports 97 Smart Link group protected VLAN 96 Smart Link group role preemption 98 Smart Link links 94 Smart Link load sharing 95 Smart Link ports 94 Smart Link Track collaboration 99 network management high availability BFD basic configuration 125 high availability BFD config...

Страница 164: ...uthentication 38 high availability DLDP authentication mode 34 point high availability CFD maintenance point 14 high availability CFD MEP 14 high availability CFD MEP configuration 20 high availability CFD MEP list 15 high availability CFD MIP 14 polling mechanism RRPP 51 port configuring RRPP port 58 high availability DLDP automatic unidirectional link shutdown 39 high availability DLDP configura...

Страница 165: ...h availability CFD MEPs 20 configuring high availability CFD MIP auto generation rules 20 configuring high availability CFD service instance 19 configuring high availability DLDP 36 39 configuring high availability DLDP authentication 38 configuring high availability DLDP automatic unidirectional link shutdown 39 configuring high availability Ethernet OAM 4 1 1 configuring high availability Ethern...

Страница 166: ... availability NQA Track static routing collaboration 130 maintaining high availability BFD 128 maintaining high availability DLDP 39 maintaining high availability Ethernet OAM 10 maintaining Smart Link 100 rejecting high availability Ethernet OAM remote loopback request 10 setting high availability DLDP advertisement packet send interval 37 setting high availability DLDP DelayDown timer 37 setting...

Страница 167: ...ssociation 134 high availability Track policy based routing collaboration 130 high availability Track static routing collaboration 130 Monitor Link configuration 1 15 1 16 1 16 1 18 RRPP activating domain 61 assistant edge node type 49 basic concepts 48 broadcast storm suppression 52 common port 49 common flush FDB RRPPDU 50 complete flush FDB RRPPDU 50 configuration 47 56 63 configuring control V...

Страница 168: ...rol packet asynchronous operating mode 123 high availability BFD control packet demand operating mode 123 high availability BFD control packet mode 123 high availability BFD control packet passive operating mode 123 high availability BFD echo packet mode 123 high availability BFD session establishment 123 setting high availability DLDP advertisement packet send interval 37 high availability DLDP D...

Страница 169: ...ion 136 high availability Track application module collaboration 130 high availability Track static routing association 133 switchover Monitor Link downlink interface switchover delay 1 17 T tangent rings RRPP network 53 timer configuring RRPP fail 61 configuring RRPP hello 61 high availability DLDP advertisement 33 high availability DLDP DelayDown 33 37 high availability DLDP echo 33 high availab...

Страница 170: ...ic unidirectional link shutdown 39 high availability DLDP manual unidirectional link shutdown 42 high availability DLDP port state 33 updating Smart Link flush update 95 Smart Link uplink traffic triggered MAC address learning 95 uplink Smart Link uplink traffic triggered MAC address learning 95 V VLAN configuring RRPP control VLAN 56 configuring RRPP port 58 configuring RRPP protected VLAN 57 con...

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