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Cisco EtherSwitch Service Modules Feature Guide

How to Configure the Cisco EtherSwitch Service Module

42

Cisco IOS Release 12.2(25)SEC

Default Settings After Initial Cisco EtherSwitch Service Module Configuration

The Cisco EtherSwitch service module is designed for plug-and-play operation. You need only assign
basic IP information to the Gigabit Ethernet interface on the router representing the Cisco EtherSwitch
service module and open a console session to Cisco EtherSwitch service module. You can then connect
any other devices to the switch ports. If you have specific network needs, you can change the
interface-specific and system- and stack-wide settings.

If you do not configure the internal interface at all, it operates with the default settings listed in

Table 2

.

This table lists the key software features, their defaults, and where to find more information about the
features.

For information about setting up the initial internal interface configuration (using Express Setup or the
CLI setup program) and assigning basic IP information to the internal interface, see the Catalyst 3750
switch hardware installation guide.

Table 2

Default Settings

Feature

Default Setting

IP address

None

Domain name

None

DHCP

DHCP client enabled

DCHP server enabled

1

DHCP relay agent enabled

2

Switch stack

Enabled

Switch cluster

Disabled

Passwords

None defined

Disabled

RADIUS

Disabled

System name and prompt

Switch

NTP

Enabled

DNS

3

Enabled

802.1x

Disabled

Port parameters

Operating mode

Layer 2 (switchport)

Interface speed and duplex mode

Autonegotiate

Auto-MDIX

Enabled

Flow control

Off

Power-over-Ethernet (PoE)

Autonegotiate

SmartPorts macros

None defined

VLANs

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Summary of Contents for NME-16ES-1G - Etherswitch Service Mod 16

Page 1: ...layer image SMI or the IP services image formerly known as the enhanced multilayer image EMI The IP base image provides Layer 2 features including access control lists ACLs quality of service QoS static routing and the Routing Information Protocol RIP The IP services image provides a richer set of enterprise class features including Layer 2 features and full Layer 3 routing IP unicast routing IP m...

Page 2: ...erSwitch Service Module Software page 66 Switch Stack Configuration Scenarios page 78 Network Configuration Examples page 81 Additional References page 87 Prerequisites for the Cisco EtherSwitch Service Modules The Cisco IOS version on the Cisco EtherSwitch service modules must be compatible with the Cisco IOS software release and feature set on the router See the Feature History for the Cisco Eth...

Page 3: ...l only one Cisco StackWise EtherSwitch NME XD 24ES 1S P service module in a single router chassis You can install up to two Cisco EtherSwitch service modules in a single router chassis in Cisco 3845 Cisco 3825 Cisco 2851 and Cisco 2821 routers or up to four Cisco EtherSwitch NME 16ES 1G P service modules in the Cisco 3745 or Cisco 3845 routers Installing more than two Cisco EtherSwitch service mod...

Page 4: ...he Hot Standby Router Protocol HSRP and the Routing Information Protocol RIP Cisco EtherSwitch service modules with the IP base image installed can be upgraded to the IP services image IP services image which provides a richer set of enterprise class intelligent services It includes all IP base image features plus full Layer 3 routing IP unicast routing IP multicast routing and fallback bridging T...

Page 5: ...he operation of the stack Provisioning a new member for a switch stack with the offline configuration feature You can configure the interface configuration for a specific stack member number in advance The switch stack retains this information across stack reloads whether or not the provisioned Cisco EtherSwitch service module is part of the stack Displaying stack ring activity statistics the numb...

Page 6: ...program the device manager is accessible through a Microsoft Internet Explorer or Netscape Navigator browser session For more information see the device manager online help Cisco Network Assistant Cisco Network Assistant provides a comprehensive set of features for managing single and multiple devices including Cisco EtherSwitch service module clusters through a GUI This application must be downlo...

Page 7: ...ccess Control MAC address Unicast MAC address filtering to drop packets with specific source or destination MAC addresses Cisco Discovery Protocol CDP versions 1 and 2 for network topology discovery and mapping between the Cisco EtherSwitch service module and other Cisco devices on the network Network Time Protocol NTP for providing a consistent time stamp to all Cisco EtherSwitch service modules ...

Page 8: ...abled ports that receive bridge protocol data units BPDUs BPDU filtering for preventing a Port Fast enabled port from sending or receiving BPDUs Root guard for preventing switches outside the network core from becoming the spanning tree root Loop guard for preventing alternative or root ports from becoming designated ports because of a failure that leads to a unidirectional link Equal cost routing...

Page 9: ...e addresses on a port BPDU guard for shutting down a Port Fast configured port when an invalid configuration occurs Standard and extended IP access control lists ACLs for defining security policies in both directions on routed interfaces router ACLs and VLANs and inbound on Layer 2 interfaces port ACLs Extended MAC access control lists for defining security policies in the inbound direction on Lay...

Page 10: ...ns IP ToS DSCP and 802 1p CoS marking based on flow based packet classification classification based on information in the MAC IP and TCP UDP headers for high performance quality of service at the network edge allowing for differentiated service levels for different types of network traffic and for prioritizing mission critical traffic in the network Trusted port states CoS DSCP and IP precedence ...

Page 11: ... W of power at the same time depending on the power supply capacity in the router chassis Note Total power provided is up to the limit of the platform power supply PoE requires using the AC IP power supply not the default power supply that was shipped with your router For information about PoE power requirements access the Cisco com web page Click the Products and Solutions link From the pull down...

Page 12: ...nt Connectivity to Specific Stack Members page 20 Accessing the CLI of a Specific Stack Member page 20 Accessing the CLI of a Specific Stack Member page 20 Overview of Switch Stacks You can manage the Cisco EtherSwitch service modules as a single unit by connecting them through the StackWise ports of a 24 port Cisco StackWise EtherSwitch service module and managing the switch stack through a Cisco...

Page 13: ... The internal interface with the highest priority value becomes the stack master Note The system level features supported on the stack master are supported on the entire switch stack If the switch stack must have Cisco EtherSwitch service modules or Catalyst 3750 switches running both IP base image and IP services image we recommend that a member running the IP services image be the stack master I...

Page 14: ...ort LEDs on all Cisco EtherSwitch service modules in the stack should be green Depending on the Cisco EtherSwitch service module model the last two ports are either 10 100 1000 Mbps ports or small form factor pluggable SFP service module ports If on any of the modules one or both of the last two port LEDs are not green the stack is not operating at full bandwidth Adding powered up modules merging ...

Page 15: ... become the stack master Stack members that are powered up after the 10 second timeframe do not participate in this initial election and only become stack members All stack members participate in re elections The new stack master becomes available after a few seconds In the meantime the switch stack uses the forwarding tables in memory to minimize network disruption The physical interfaces on the ...

Page 16: ...tion For more information about stack member numbers and configurations see the Switch Stack Configuration Files section on page 18 If you move a stack member to a different switch stack the stack member retains its number only if the number is not being used by another member in the stack If it is being used by another member in the stack the Cisco EtherSwitch service module or switch selects the...

Page 17: ...stack master running the IP base image by using the reload slot stack member number privileged EXEC command The Cisco EtherSwitch service module running the IP services image is elected the stack master assuming its priority value is higher or the same as that of the other stack members Stack Protocol Version Compatibility Each software image includes a stack protocol version The stack protocol ve...

Page 18: ...commended actions Recommended actions appear in the system messages log If there are no other actions to try the stack master displays the recommended action to upgrade the software running on the switch stack The port LEDs on Cisco EtherSwitch service modules or switches in VM mode remain off and pressing the Mode button does not change the LED mode You can also use the show switch privileged EXE...

Page 19: ... management applications You cannot manage stack members on an individual Cisco EtherSwitch service module or switch basis Management Connectivity to the Switch Stack Through an IP Address The switch stack is managed through a single IP address The IP address is a system level setting and is not specific to the stack master or to any other stack member You can still manage the stack through the sa...

Page 20: ...witch Only the show and debug commands are available in a CLI session to a specific stack member Accessing the CLI of a Specific Stack Member Note This task is available only from the stack master This task is only for debugging purposes You can access all or specific stack members by using the remote command all stack member number privileged EXEC command The stack member number range is 1 to 9 C...

Page 21: ...mmand switch The standby cluster command switch must be the same type as the command device For example if the command device is a Cisco EtherSwitch service module all standby command devices must be either Cisco EtherSwitch service modules or Catalyst 3750 switches Command Device Characteristics A command device must meet these requirements It has an IP address Clustering and the HTTP server are ...

Page 22: ...caded topologies Note Do not disable CDP on the command device members or any cluster capable devices that you might want a command device to discover Discovery of Candidates and Members Through CDP Hops By using CDP a cluster command switch can discover switches up to seven CDP hops away the default is three hops from the edge of the cluster The last cluster member switches are connected to the c...

Page 23: ...e Cisco device it cannot discover a cluster enabled device connected beyond the noncluster capable Cisco device Figure 2 shows that the cluster command switch discovers the switch that is connected to a third party hub However the cluster command switch does not discover the switch that is connected to a Catalyst 5000 switch Figure 2 Discovery Through Non CDP Capable and Noncluster Capable Devices...

Page 24: ...covery of Candidates and Members Through Different Management VLANs Cluster command switches can discover and manage cluster member switches in different VLANs and different management VLANs As cluster member switches they must be connected through at least one VLAN in common with the cluster command switch They do not need to be connected to the cluster command switch through their management VLA...

Page 25: ...tches in the same VLAN as the routed port The Layer 3 cluster command switch in Figure 5 can discover the switches in VLANs 9 and 62 but not the switch in VLAN 4 If the routed port path between the cluster command switch and cluster member switch 7 is lost connectivity with cluster member switch 7 is maintained because of the redundant path through VLAN 9 101323 VLAN 62 VLAN trunk 4 62 VLAN 62 VLA...

Page 26: ...he VLAN of the immediately upstream neighbor The new switch also configures its access port to belong to the VLAN of the immediately upstream neighbor The cluster command switch in Figure 6 belongs to VLANs 9 and 16 When new cluster capable switches join the cluster the following things happen One cluster capable switch and its access port are assigned to VLAN 9 The other cluster capable switch an...

Page 27: ... active cluster command switch AC The switch with the next highest priority is the standby cluster command switch SC The other switches in the cluster standby group are the passive cluster command switches PC If the active cluster command switch and the standby cluster command switch become disabled at the same time the passive cluster command switch with the highest priority becomes the active cl...

Page 28: ...ions for Cluster Standby Groups Note For additional considerations about cluster standby groups in switch stacks see the Switch Clusters and Switch Stacks section on page 31 These requirements also apply Standby cluster command switches must be the same type of switches as the cluster command switch For example if the cluster command switch is a Cisco EtherSwitch service module the standby cluster...

Page 29: ... can take over the cluster immediately after the active cluster command switch fails Automatic discovery has these limitations This limitation applies only to clusters that have Cisco EtherSwitch service module command and standby cluster command switches If the active cluster command switch and standby cluster command switch become disabled at the same time the passive cluster command switch with...

Page 30: ...pable switch but it is not necessary A cluster member switch is managed and communicates with other cluster member switches through the command switch IP address If the cluster member switch leaves the cluster and it does not have its own IP address you then must assign IP information to it to manage it as a standalone switch Note Changing the cluster command switch IP address ends your Network As...

Page 31: ... If the cluster command switch has multiple read only or read write community strings only the first read only and read write strings are propagated to the cluster member switch The switches support an unlimited number of community strings and string lengths For more information about SNMP and community strings see the Catalyst 3750 Switch Software Configuration Guide Cisco IOS Release 12 2 at htt...

Page 32: ...itch service module or switch stack and a new stack master is elected in a cluster member switch stack the switch stack loses its connectivity to the switch cluster if there are no redundant connections between the switch stack and the cluster command switch You must add the switch stack to the switch cluster A switch stack can be a cluster command switch or a cluster member switch A switch cluste...

Page 33: ...n cat3750 index htm TACACS and RADIUS in Clusters Inconsistent authentication configurations in switch clusters cause Network Assistant to continually prompt for a username and password If TACACS is configured on a cluster member it must be configured on all cluster members Similarly if RADIUS is configured on a cluster member it must be configured on all cluster members Furthermore the same switc...

Page 34: ...hrough the console using Telnet or SSH from a client station you must have IP connectivity from the station to the switch Use any Telnet TCP IP or encrypted SSH package from a remote management station The internal interface must have network connectivity with the Telnet or SSH client and the internal interface must have an enable secret password configured After you connect through the CLI a Teln...

Page 35: ...dule or switch has been assigned a stack member number it keeps that number until another is assigned to it You can use the Cisco EtherSwitch service module or switch port LEDs in stack mode to identify the stack member number of a service module or switch Module number The module slot number on the Cisco EtherSwitch service module or switch always 0 on the service module or switch Port number The...

Page 36: ...lity Once the Cisco EtherSwitch service module interface has been configured and you boot up the service module image you can switch back and forth between the router and the service module SUMMARY STEPS 1 dir flash 2 boot flash image name 3 enable 4 show running configuration 5 configure terminal 6 interface slot port 7 ip address ip address subnet mask 8 no shutdown 9 end 10 service module inter...

Page 37: ... and specifies an interface for configuration Step 7 ip address ip address subnet mask Example Router config if ip address 20 0 0 1 255 255 255 0 Configures an IP address and subnet mask on this Gigabit Ethernet interface Step 8 no shutdown Example Router config if no shutdown Enables the service module port Step 9 end Example Router config if end Returns you to privileged EXEC mode Step 10 servic...

Page 38: ...n information Step 15 control shift 6 x Example Switch control shift 6 x Returns you to the router console while keeping the console session to the switch intact Step 16 disconnect Example Router disconnect Terminates the console session to the Cisco EtherSwitch service module Step 17 show power inline Example Router show power inline Displays the PoE statistics maintained on the Cisco EtherSwitch...

Page 39: ...rl Shift 6 Followed by x page 41 Sample Output for the show power inline Command on the Cisco EtherSwitch service module page 41 Sample Output for the dir flash Command on the Router The following example shows what appears when you enter the dir flash command Router dir flash Directory of flash program load complete entry point 0x8000f000 size 0xc0c0 Initializing ATA monitor library Directory of ...

Page 40: ...g if CNTL Z Jan 10 20 42 08 086 LINK 3 UPDOWN Interface GigabitEthernet2 0 changed state to up Jan 10 20 42 09 086 LINEPROTO 5 UPDOWN Line protocol on Interface GigabitEthernet2 0 changed state to up Router config if end Router Sample Output for the service module Command on the Cisco EtherSwitch Service Module The following example shows what appears when you enter the service module command Rout...

Page 41: ...n you press Ctrl Shift 6 and then press x Switch ctrl shift 6 x Router Sample Output for the show power inline Command on the Router The following example shows what appears when you enter the show inline power command on the router Router show power inline PowerSupply SlotNum Maximum Allocated Status INT PS 0 360 000 0 000 PS1 GOOD PS2 ABSENT Interface Config Phone Powered PowerAllocated Gi2 0 au...

Page 42: ...with the default settings listed in Table 2 This table lists the key software features their defaults and where to find more information about the features For information about setting up the initial internal interface configuration using Express Setup or the CLI setup program and assigning basic IP information to the internal interface see the Catalyst 3750 switch hardware installation guide Tab...

Page 43: ...ed IGMP filters None applied IGMP throttling Deny MVR Disabled Port based traffic Broadcast multicast and unicast storm control Disabled Protected ports None defined Unicast and multicast traffic flooding Not blocked Secure ports None configured CDP9 Enabled UDLD10 Disabled SPAN11 and RSPAN12 Disabled RMON13 Disabled Syslog messages Enabled displayed on the console SNMP Enabled version 1 ACLs None...

Page 44: ...erface CLI Cisco Network Assistant application program from your browser To use the CLI enter commands at the switch prompt through the console session to the Cisco EtherSwitch service module For configuration information see the Catalyst 3750 Switch Software Configuration Guide Cisco IOS Release 12 2 at the following URL http www cisco com univercd cc td doc product lan cat3750 index htm To use N...

Page 45: ...rSwitch service module IP address and subnet mask and press Return 10 Enter no and press Return 11 Enter 2 and press Return DETAILED STEPS Command or Action Purpose Step 1 When prompted to enter the initial configuration dialog enter yes Initiates initial configuration dialog and basic management setup Step 2 Enter a hostname for the Cisco EtherSwitch service module and press Return Sets the hostn...

Page 46: ...Enter a virtual terminal Telnet password and press Return Sets the Telnet password The password can be from 1 to 25 alphanumeric characters is case sensitive allows spaces but ignores leading spaces Step 6 Enter yes to configure SNMP or Enter no to configure SNMP later through the CLI or Network Assistant and then press Return Optional Configures Simple Network Management Protocol SNMP Step 7 Ente...

Page 47: ...is interface yes yes IP address for this interface 10 4 120 106 Subnet mask for this interface 255 0 0 0 255 0 0 0 Sample Output for Configuring the Cisco EtherSwitch Service Module as a Standalone Service Module The following example shows what appears when you configure the Cisco EtherSwitch service module to run as a standalone service module Would you like to enable as a cluster command switch...

Page 48: ...module after it has been installed For information on network module installation see the Cisco Network Modules Hardware Installation Guide SUMMARY STEPS 1 service module gigabitethernet slot unit shutdown 2 service module gigabitethernet slot unit reset 3 service module gigabitethernet slot unit reload Note The argument slot indicates the number of the router chassis slot for the network module T...

Page 49: ...module gigabitethernet reset Command The following example shows what appears when you enter the service module gigabitethernet slot unit reset command Router service module gigabitethernet1 0 reset Use reset only to recover from shutdown or failed state Do you want to reset confirm Note At the confirmation prompt press Enter to confirm the action or n to cancel Sample Output for the service modul...

Page 50: ... single point of stack wide management From the stack master you configure these items System level global features that apply to all stack members Interface level features for each stack member A switch stack is identified in the network by its bridge ID and if the switch stack is operating as a Layer 3 device by its router MAC address The bridge ID and router MAC address are determined by the MA...

Page 51: ...not defined it will boot the first valid image on the flash memory or the image defined by boot system command in the configuration file Devices within a single VLAN can communicate directly through the Cisco EtherSwitch service module Ports in different VLANs cannot exchange data without going through a routing device If the IP base image is on the stack master only basic routing static routing a...

Page 52: ...ave an on off switch To turn off the Cisco EtherSwitch service module issue the service gigabitethernet1 0 shutdown command from the router Assigning a Stack Member Number This section describes how to assign a stack member number to the Cisco EtherSwitch service module in a switch stack SUMMARY STEPS 1 configure terminal 2 switch current stack member number renumber new stack member number 3 end ...

Page 53: ...ue confirm If another stack member is already using the member number that you just specified the stack master assigns the lowest available number when you reload the stack member Note If you change the number of a stack member and no configuration is associated with the new stack member number that stack member loses its current configuration and resets itself to its default configuration Caution...

Page 54: ...ilable only from the stack master SUMMARY STEPS 1 configure terminal 2 switch stack member number priority priority number 3 end 4 show switch stack member number DETAILED STEPS Command or Action Purpose Step 1 configure terminal Example Switch configure terminal Enters global configuration mode Step 2 switch stack member number priority priority number Example Switch config switch 1 priority 2 Sp...

Page 55: ...itch Command The following example shows what appears when you enter the show switch command Switch show switch 6 Current Switch Role Mac Address Priority State 6 Slave 0003 e31a 1e00 1 Ready Verifying Information About the Switch Stack To verify the configuration changes that you save after you reset a specific stack member or the switch stack configuration use the show platform stack manager all...

Page 56: ...y Protocol View Switch Active Role Current Sequence Dirty Number State Number Bit 1 TRUE Master Ready 176 FALSE 2 TRUE Slave Ready 177 FALSE Stack State Machine View Switch Master Mac Address Version Uptime Current Number Slave maj min State 1 Master 0000 0090 3080 1 9 1344 Ready 2 Slave 000f 8f4e 2900 1 9 1338 Ready Last Conflict Parameters Switch Master Prio Default Image Uptime Mac Address Numb...

Page 57: ...e cluster command switch and up to 15 other Cisco EtherSwitch service modules or switches can be cluster member switches The total number of service modules or switches in a cluster cannot exceed 16 The cluster command service module or switch is the single point of access used to configure manage and monitor the cluster member service modules or switches Cluster members can belong to only one clu...

Page 58: ...ow version 3 exit 4 show cluster members n detail begin exclude include expression optional DETAILED STEPS Command or Action Purpose Step 1 rcommand Example Switch rcommand 3 Starts a Telnet session to execute commands on a cluster member service module or switch from the cluster command service module or switch or the switch stack To end the session enter the exit command If you do not know the n...

Page 59: ...hen operate as usual Therefore if you use the rcommand command on the cluster command switch at the privileged level the command accesses the cluster members at the privileged level Sample Output for the show cluster members Command The following example shows what appears when you enter the show cluster members command Switch show cluster members Upstream SN MAC Address Name PortIf FEC Hops SN Po...

Page 60: ...s 16 members the Add to Cluster option is not available for that cluster In this case you must remove a cluster member service module before adding a new one If a password has been configured on a candidate Cisco EtherSwitch service module or switch you are prompted to enter it before the service module or switch can be added to the cluster If the candidate Cisco EtherSwitch service module switch ...

Page 61: ...ule icon and choose Add to Cluster In the Topology view candidate service modules are cyan and cluster member service modules are green To add more than one candidate service module press Ctrl and left click the candidates that you want to add Step 4 cluster member Example Switch config cluster member mac address 00E0 1E00 3333 Adds members to the cluster The example shows how to add a switch with...

Page 62: ... name commands that you have set by using Network Assistant or the CLI If you use this window to create the standby group all Cisco EtherSwitch service modules in the group have the preempt command enabled You must also provide a name for the group Note The HSRP standby hold time interval should be greater than or equal to three times the hello time interval The default HSRP standby hold time inte...

Page 63: ...ule software by using TFTP For more information about working with the Cisco IOS file system configuration files and software images see the Catalyst 3750 Switch Software Configuration Guide Cisco IOS Release 12 2 at the following URL http www cisco com univercd cc td doc product lan cat3750 index htm Restrictions The procedure in this section is for upgrading a standalone Cisco EtherSwitch servic...

Page 64: ... Enters global configuration mode Step 3 interface switch slot port Example Switch config interface fastethernet 1 0 24 Enter interface configuration mode and places you at the Fast Ethernet 1 0 24 interface Step 4 no switchport Example Switch config if no switchport Enables the routed port Step 5 ip address ip address subnet mask Example Switch config if ip address 172 16 1 100 255 255 255 0 Sets...

Page 65: ...t for the ping tftpserver Command The following example shows what appears when you enter the ping tftpserver command Switch ping tftpserver Type escape sequence to abort Sending 5 100 byte ICMP Echos to 172 16 1 100 timeout is 2 seconds Success rate is 100 percent 5 5 round trip min avg max 1 2 9 ms Copy the image from the tftp server to the switch flash using standard tftp copy procedure Step 8 ...

Page 66: ...dress or name of remote host Tftpserver Source filename xyz c3825 i5 mz 032304 Destination filename c3825 i5 mz 032304 Accessing tftp tftpserver xyz c3825 i5 mz 032304 Loading mirage switch bin c3825 i5 mz 032304 from 172 16 1 100 via FastEthernet1 0 24 OK 4814025 bytes 4814025 bytes copied in 99 481 secs 48391 bytes sec Switch Troubleshooting the Cisco EtherSwitch Service Module Software This sec...

Page 67: ...otocol process issue the password reset command After you issue the password reset command this message appears Password reset process is complete The system has been interrupted prior to initializing the flash filesystem The following commands will initialize the flash filesystem and finish loading the operating system software flash_init load_helper boot Switch Restrictions This procedure is rec...

Page 68: ...Example Switch load_helper flash xyz Loads and initializes one or more helper images Step 4 control 6 x Example Switch control 6 x Returns you to the router console while keeping the console session to the switch intact Use x to get back to the router prompt Step 5 disconnect Example Router disconnect 1 Disconnects the switch session to begin the Xmodem download Step 6 copy flash xmodem Example Ro...

Page 69: ...Sample Output for the flash_init Command on the Cisco EtherSwitch Service Module page 72 Sample Output for the copy flash xmodem Command The following example shows what appears when you enter the copy flash xmodem command Router copy flash xmodem WARNING x ymodem is a slow transfer protocol limited to the current speed settings of the auxiliary console ports The use of the auxiliary port for this...

Page 70: ...ample shows what appears when you enter the copy tftp xmodem command Router copy tftp xmodem WARNING x ymodem is a slow transfer protocol limited to the current speed settings of the auxiliary console ports The use of the auxiliary port for this download is strongly recommended During the course of the download no exec input output will be available Proceed confirm You are prompted for the IP addr...

Page 71: ...Output for the dir flash Command on the Cisco EtherSwitch Service Module The following example shows what appears when you enter the dir flash command rommon dir flash Directory of flash 4 rwx 2056 Mar 1 1993 00 01 29 00 00 vlan dat 6 rwx 6636204 Mar 1 1993 00 19 19 00 00 c3750 i5 mz 122204 7 rwx 1709 Jan 12 2005 00 56 39 00 00 config text 8 rwx 5 Jan 12 2005 00 56 39 00 00 private config text 325...

Page 72: ...isco EtherSwitch service module When you enter the service module password recovery command from the Cisco EtherSwitch service module or the no service module password recovery command from the stack master password recovery is propagated throughout the stack and applied to all modules in the stack During auto boot loader operation you are not presented with the boot loader command line prompt You...

Page 73: ...d or Action Purpose Step 1 service module interface slot port session Example Router service module gigabitethernet1 0 session Connects to the service module and opens a Cisco EtherSwitch service module session Step 2 dir flash Example rommon dir flash Displays a list of all files and directories in flash memory on the service module Step 3 service module interface slot port password reset Example...

Page 74: ...oot Use the boot command to boot up an external process Step 8 copy flash Example Switch copy flash config text system running config Copies the configuration file into memory Step 9 configure terminal Example Switch configure terminal Enters global configuration mode Step 10 enable secret password Example Switch config enable secret 5 1 LiBw 0Xc1wyT PXPkuhFwqyhVi0 Sets the password The secret pas...

Page 75: ...This procedure is likely to leave your Cisco EtherSwitch service module virtual interface in a shut down state You can see which interface is in this state by entering the show running configuration privileged EXEC command To reenable the interface enter the interface vlan vlan id global configuration command and specify the VLAN ID of the shut down interface With the Cisco EtherSwitch service mod...

Page 76: ...gh the password recovery mechanism has been triggered If you agree to let the system be reset to the default system configuration access to the boot loader prompt is then allowed and you can set the environment variables Prerequisites This recovery procedure requires that you have physical access to the Cisco EtherSwitch service module or switch SUMMARY STEPS 1 service module interface slot port p...

Page 77: ...he service module session command is entered within 50 seconds after entering the service module password reset command Step 3 dir flash Example rommon dir flash Displays a list of all files and directories in flash memory on the service module Step 4 load_helper filesystem file url Example Switch load_helper flash xyz Loads and initializes one or more helper images Step 5 boot Example Switch boot...

Page 78: ...EXEC mode Step 10 copy running configuration startup configuration Example Switch copy running config startup config Copies the configuration from the running configuration file to the switch startup configuration file This procedure is likely to leave your Cisco EtherSwitch service module virtual interface in a shut down state You can see which interface is in this state by entering the show runn...

Page 79: ...e priority value 1 Make sure that one stack member has a default configuration and that the other stack member has a saved nondefault configuration file 2 Restart both stack members at the same time The stack member with the saved configuration file is elected stack master Stack master election specifically determined by the cryptographic IP services image Assuming that all stack members have the ...

Page 80: ...ack member with the lower MAC address is elected stack master Stack member number conflict Assuming that one stack member has a higher priority value than the other stack member 1 Ensure that both stack members have the same stack member number If necessary use the switch current stack member number renumber new stack member number global configuration command 2 Restart both stack members at the s...

Page 81: ...e and how you can configure your network to increase the bandwidth available to your network users Stack master failure Remove or power down the stack master Based on the factors described in the Stack Master Election and Re Election section on page 14 one of the remaining stack members becomes the new stack master All other stack members in the stack remain as stack members and do not reboot Addi...

Page 82: ...applications such as e mail with large attached files and from bandwidth intensive applications such as multimedia Connect global resources such as servers and routers to which the network users require equal access directly to the high speed internal interface ports so that they have their own high speed segment Use the EtherChannel feature between the internal interface and its connected servers...

Page 83: ...bers are eligible stack masters in case of stack master failure All stack members have synchronized copies of the saved and running configuration files of the switch stack Cross stack EtherChannel for providing redundant links across the switch stack Use Hot Standby Router Protocol HSRP for cluster command EtherSwitch service module and router redundancy Use VLAN trunks cross stack UplinkFast and ...

Page 84: ...Backbone High performance wiring closet Figure 10 For high speed access to network resources you can use Cisco EtherSwitch service modules and switch stacks in the access layer to provide Gigabit Ethernet to the desktop To prevent congestion use QoS DSCP marking priorities on these switches For high speed IP forwarding at the distribution layer connect the switches in the access layer to a gigabit...

Page 85: ...he residential service modules are configured as 802 1Q trunks with protected port and STP root guard features enabled The protected port feature provides security and isolation between ports on the switch ensuring that subscribers cannot view packets destined for other subscribers STP root guard prevents unauthorized devices from becoming the STP root switch All ports have IGMP snooping or CGMP e...

Page 86: ... 121822 Service Provider POP Mini POP Gigabit MAN Residential location Catalyst 3750 StackWise switch stack Cisco integrated services router with EtherSwitch service module Cisco integrated services router with EtherSwitch service module Catalyst switches Catalyst 6500 switches Cisco 12000 Gigabit switch routers Si Si Si Residential gateway hub Set top box TV PC Set top box TV ...

Page 87: ... Work Live Play and Learn is a service mark of Cisco Systems Inc and Access Registrar Aironet Catalyst CCDA CCDP CCIE CCIP CCNA CCNP CCSP Cisco the Cisco Certified Internetwork Expert logo Cisco IOS Cisco Press Cisco Systems Cisco Systems Capital the Cisco Systems logo Cisco Unity Enterprise Solver EtherChannel EtherFast EtherSwitch Fast Step Follow Me Browsing FormShare GigaDrive HomeLink Interne...

Page 88: ...Cisco EtherSwitch Service Modules Feature Guide Additional References 88 Cisco IOS Release 12 2 25 SEC ...

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