Ruckus Wireless Ruckus ICX 7150 Series Скачать руководство пользователя страница 43

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Enable priority flow control globally configuration example

device# configure terminal

device(config)# priority-flow-control enable

device(config)# exit

device# show priority-flow-control

device# write memory

Enabling priority flow control for a single priority group

Follow these steps to enable PFC for a single priority group (PG).

NOTE
PFC is supported only on Ruckus ICX 7250, ICX 7450, and ICX 7750 devices.

1. Enter global configuration mode.

device# configure terminal

2. Enable PFC for PG 1.

device(config)# priority-flow-control 1

There are four PGs numbered from 0 through 3.

3. Return to privileged EXEC mode.

device(config)# exit

4. Verify the configuration.

device# show priority-flow-control

Global PFC Status: Enabled

PFC Disabled on PG0

PFC Enabled on PG1

PFC Enabled on PG2

PFC Disabled on PG3

Observe that PFC for PG 1 is enabled.

5. Save the configuration.

device# write memory

Enable priority flow control for a single priority group configuration example

device# configure terminal

device(config)# priority-flow-control 1

device(config)# exit

device# show priority-flow-control

device# write memory

Enabling priority flow control on an interface

Follow these steps to enable PFC on an interface.

NOTE
PFC is supported only on Ruckus ICX 7250, ICX 7450, and ICX 7750 devices.

Quality of Service

Configuring QoS

Ruckus FastIron QoS and Traffic Management Configuration Guide, 08.0.70

Part Number: 53-1005294-01

Содержание Ruckus ICX 7150 Series

Страница 1: ...Supporting FastIron Software Release 08 0 70 CONFIGURATION GUIDE Ruckus FastIron QoS and Traffic Management Configuration Guide 08 0 70 Part Number 53 1005294 01 Publication Date 21 December 2017...

Страница 2: ...RANTY OF ANY KIND EXPRESS OR IMPLIED WITH REGARD TO THE MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY NON INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE OR THAT TH...

Страница 3: ...orities to traffic assignment 18 Buffer allocation and threshold for QoS queues 19 QoS marking 19 DSCP and CoS global re marking 19 Selecting the QoS queuing method 20 Remarking configuration consider...

Страница 4: ...ntrol on an interface 43 Enabling priority flow control on multiple ports 44 Configuring the share level for an ingress buffer profile 46 Configuring the share queue level for an egress buffer profile...

Страница 5: ...ents may be used in this document They are listed in the order of increasing severity of potential hazards NOTE A NOTE provides a tip guidance or advice emphasizes important information or provides a...

Страница 6: ...ment part number on the cover page Page number if appropriate For example Ruckus Small Cell Alarms Guide SC Release 1 3 Part number 800 71306 001 Page 88 Ruckus Product Documentation Resources Visit t...

Страница 7: ...he Self Service Resources section Open a Case When your entire network is down P1 or severely impacted P2 call the appropriate telephone number listed below to get help Continental United States 1 855...

Страница 8: ...Ruckus FastIron QoS and Traffic Management Configuration Guide 08 0 70 8 Part Number 53 1005294 01...

Страница 9: ...identify the QoS support for the ICX 7650 hardware platform Updates made to the following Table 13 on page 27 to list the packet memory Priority flow control on page 25 to note that the ICX 7650 does...

Страница 10: ...Ruckus FastIron QoS and Traffic Management Configuration Guide 08 0 70 10 Part Number 53 1005294 01...

Страница 11: ...t as it arrives at the switch Once a packet or traffic flow is identified and marked then it is mapped to a forwarding priority queue Packets on Ruckus devices are classified in up to eight traffic cl...

Страница 12: ...which criteria takes precedence Precedence follows the schemes illustrated in the Determining the trust level of a packet for ICX devices figure Packet trust level The following figure illustrates how...

Страница 13: ...Determining the trust level of a packet for most ICX devices Quality of Service Quality of Service overview Ruckus FastIron QoS and Traffic Management Configuration Guide 08 0 70 Part Number 53 10052...

Страница 14: ...P is enabled TABLE 3 Default QoS mappings for ICX platforms columns 0 to 15 DSCP value 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 802 1p CoS value 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 DSCP value 0 1 2 3 4 5 6 7...

Страница 15: ...in the above tables This mapping is used for CoS marking and determining the internal priority when the trust level is DSCP Refer to Changing the DSCP to internal forwarding priority mappings on page...

Страница 16: ...ities are mapped to their corresponding queues QoS behavior for trusting Layer 3 DSCP When the trust dscp mode is enabled packets arriving with DSCP values 56 to 63 are mapped to internal hardware que...

Страница 17: ...eduler profile is applicable only to the specific devices leaving the remaining devices running default QoS On any device user configurable scheduler profile has high priority over the default QoS The...

Страница 18: ...ing tables show the default values for the scheduling type for stacking and standalone ICX devices TABLE 8 Default values for scheduling type for stacking systems Traffic Class SP SP Jumbo WRR WRR Jum...

Страница 19: ...oS or DSCP value that the device marks in the packet is the same value that results from mapping the packet QoS value into a Layer 2 CoS or DSCP value Marking is optional and is disabled by default Fo...

Страница 20: ...ority6 Set as strict priority Profile qosp5 Priority5 bandwidth requested 25 calculated 25 Profile qosp4 Priority4 bandwidth requested 15 calculated 15 Profile qosp3 Priority3 bandwidth requested 15 c...

Страница 21: ...Class 3 0 Traffic Class 4 0 Traffic Class 5 0 Traffic Class 6 0 Traffic Class 7 0 5 Save the configuration device write memory Select the QoS queuing method configuration example device configure term...

Страница 22: ...se queues For example queue qosp7 receives the highest preference while queue qosp0 the best effort queue receives the lowest preference Application notes for DSCP based QoS DSCP based QoS is not auto...

Страница 23: ...ough 15 maps to priority 1 After performing this mapping the device maps the internal forwarding priority value to one of the hardware forwarding queues On ICX devices you can use QoS queue 1 for prio...

Страница 24: ...combined method enables the device to give strict priority to delay sensitive traffic such as VoIP traffic and weighted round robin priority to other traffic types By default when you select the combi...

Страница 25: ...es the rate of data transmission between two devices to avoid overloading the receiving device with data Using a technique that allows the receiving device to control the data transmission speed flow...

Страница 26: ...7750 devices the number of ingress buffers is set automatically according to the port speed when PFC is enabled NOTE Configuring PFC commands may temporarily interrupt traffic You can configure the qo...

Страница 27: ...s to the ingress port are dropped On the Ruckus ICX 7250 ICX 7450 and ICX 7750 devices ingress buffer management determines whether a packet should be admitted into memory based on the state of availa...

Страница 28: ...ool For example if queue 4 is at level 4 it can use up to 1 9 of the total sharing buffers in the sharing pool You can configure eight levels of sharing The actual number of buffers that a queue can u...

Страница 29: ...15 Traffic Class 2 15 Traffic Class 3 15 Traffic Class 4 15 Traffic Class 5 25 Traffic Class 6 sp Traffic Class 7 sp Multicast per Queue details Bandwidth Traffic Class 0 15 Traffic Class 1 15 Traffi...

Страница 30: ...c Class 2 0 Traffic Class 3 0 Traffic Class 4 0 Traffic Class 5 0 Traffic Class 6 0 Traffic Class 7 0 User Scheduler Profile test2 Scheduling Option Weighted round robin Ports attached U1 Ports attach...

Страница 31: ...cc4e 248b b050 1 1 3 Down None None None None No 5 0 cc4e 248b b052 1 1 4 Down None None None None No 5 0 cc4e 248b b053 1 1 5 Down None None None 2 Yes N A 0 cc4e 248b b054 The interface priority is...

Страница 32: ...priority 7 speed duplex 1000 full broadcast limit 96 kbps multicast limit 400 kbps unknown unicast limit 96 kbps pvst mode port security age 2 absolute 7 Save the configuration device write memory Ass...

Страница 33: ...and set the PCP value to 3 for all VLAN tagged packets device config ip pcp remark 3 5 Set the PCP value for all IP packets on a specific port a Enter interface configuration mode device config inter...

Страница 34: ...Enter global configuration mode device configure terminal 2 Change the DSCP to internal forwarding priority mappings device config qos tos map dscp priority 1 2 3 4 5 6 7 8 to 6 device config qos tos...

Страница 35: ...the d2 row 5 Save the configuration device write memory Change the DSCP to internal forwarding priority mappings configuration example device configure terminal device config qos tos map dscp priorit...

Страница 36: ...y Change the VLAN priority 802 1p to hardware forwarding queue mappings configuration example device configure terminal device config qos tagged priority 2 qosp0 device config exit device show running...

Страница 37: ...sted 15 calculated 15 Profile qosp1 Priority1 bandwidth requested 15 calculated 15 Profile qosp0 Priority0 Lowest bandwidth requested 15 calculated 15 Multicast Traffic Profile qosp7 Priority7 Highest...

Страница 38: ...Class 0 0 Traffic Class 1 0 Traffic Class 2 0 Traffic Class 3 0 Traffic Class 4 0 Traffic Class 5 0 Traffic Class 6 0 Traffic Class 7 0 5 Save the configuration device write memory Select the QoS que...

Страница 39: ...queue configuration example device configure terminal device config qos guaranteed rate qosp0 10 qosp1 10 qosp2 15 qosp3 15 qosp4 10 qosp5 10 qosp6 10 qosp7 10 device config qos name qosp3 r3d3 devic...

Страница 40: ...7 Priority7 bandwidth requested 25 calculated 25 Profile qosp6 Priority6 bandwidth requested 15 calculated 15 Profile qosp5 Priority5 bandwidth requested 12 calculated 12 Profile qosp4 Priority4 bandw...

Страница 41: ...must total 100 The configuration is immediately verified by the command output 3 Return to privileged EXEC mode device config exit 4 Display all QoS configuration settings device show running config i...

Страница 42: ...est bandwidth requested 30 calculated 30 6 Save the configuration device write memory Allocate bandwidth for hybrid WRR and SP queues configuration example device configure terminal device config qos...

Страница 43: ...mode device config exit 4 Verify the configuration device show priority flow control Global PFC Status Enabled PFC Disabled on PG0 PFC Enabled on PG1 PFC Enabled on PG2 PFC Disabled on PG3 Observe tha...

Страница 44: ...plex 1000 full broadcast limit 96 kbps multicast limit 400 kbps unknown unicast limit 96 kbps pvst mode priority flow control enable port security age 2 absolute Observe that PFC for PG 1 is enabled 6...

Страница 45: ...d 7 Verify the configuration device show running config interface ethernet 1 1 2 ethernet 1 1 4 interface ethernet 1 1 2 ip address 1 1 1 1 255 255 255 0 ip address 2 2 2 2 255 255 255 0 rate limit in...

Страница 46: ...aring pool NOTE Configuration of the ingress buffer share level is supported only on Ruckus ICX 7250 ICX 7450 and ICX 7750 devices 1 Enter global configuration mode device configure terminal 2 Configu...

Страница 47: ...9 Queue 4 level4 1 9 Queue 5 level4 1 9 Queue 6 level4 1 9 Queue 7 level3 1 16 5 Save the configuration device write memory Share queue level for an egress buffer profile configuration example device...

Страница 48: ...2 1 4 Port share level level3 1 16 7 Save the configuration device write memory Share port level for an egress buffer profile configuration example device configure terminal device config qos egress...

Страница 49: ...to privileged EXEC mode device config Ctrl z 4 Verify the configuration device show running config include qos qos monitor queue drop counters 1 1 12 5 Save the configuration device write memory Egres...

Страница 50: ...Ruckus FastIron QoS and Traffic Management Configuration Guide 08 0 70 50 Part Number 53 1005294 01...

Страница 51: ...he one second interval Unused bandwidth is not carried over from one interval to the next Once the one second interval is complete the port clears the counter and re enables traffic NOTE Ruckus recomm...

Страница 52: ...fic than the limit you specify but the extra traffic is never more than 10 of the port s line rate CPU rate limiting CPU rate limiting is a CPU protection scheme that limits certain traffic types Unne...

Страница 53: ...traffic policies apply rate limits on specific interfaces using ACLs this method is also called ACL based rate limiting The process for applying a traffic policy to an interface involves 1 Creating a...

Страница 54: ...adding a reference to the traffic policy in an ACL entry instead of applying the individual traffic policy to the interface The traffic policy becomes an active traffic policy or active TPD when you b...

Страница 55: ...ng as follows By default up to 1024 active traffic policies are supported on Layer 2 switches This value is fixed on Layer 2 switches and cannot be modified For FastIron devices the number of active t...

Страница 56: ...rate limiting for BUM traffic If high rates of traffic are being received by the device on a given port of that VLAN you can limit the number of BUM packets or bytes received each second on that port...

Страница 57: ...to consider in the Configuration notes and feature limitations for traffic policies section These commands Set the maximum number of traffic policies Create a fixed traffic policy that enables ACL st...

Страница 58: ...1 5 ip access group 101 in c Exit interface configuration mode device config if e1000 1 1 5 exit These commands allow port 1 1 5 to receive a maximum traffic rate of 100 kbps If the port receives addi...

Страница 59: ...aptive rate limiting using traffic policies You can configure adaptive rate limiting to forward traffic modify the IP precedence of and then forward traffic or drop traffic based on whether the traffi...

Страница 60: ...pbs 1250000000 kbits Counting Enabled Number of References Bindings 1 Traffic Policy TPDrop Metering Enabled Parameters Mode Adaptive Rate Limiting cir 10000 kbps cbs 1600 kbits pir 20000 kbps pbs 40...

Страница 61: ...priority matching 3 traffic policy TPdrop device config show access list all device config interface ethernet 1 1 6 device config if e1000 1 1 6 ip access group 104 in device config if e1000 1 1 6 exi...

Страница 62: ...n When configuring rate shaping on dynamic LAG for ICX 7750 devices you should configure the queues where the Link Aggregation Control Protocol LACP packets are not forwarded If you configure rate sha...

Страница 63: ...priority 7 device config if e1000 1 1 2 exit device config show rate limit output shaping Configuring rate shaping on a LAG port This feature is supported on individual ports of a LAG group To config...

Страница 64: ...fig lag lag1 device config lag lag1 rate limit output shaping ethe 1 1 5 651 device config lag lag1 exit device config show rate limit output shaping Rate Limiting and Rate Shaping Rate Shaping Ruckus...

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