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Set port speed to 100 on an old GB switch...

jmalge
Level 1
Level 1

Hi all,

We have an old 3508XL switch.  We are trying to connect a new 2960 to it but we purchased the incorrect SFP insert and that speed can only do 100mb.  We are getting link flaps and we suspect that it's a speed issue between the two. However, I cannot find how to set the speed on the old OS of the 3508 switch. 

Below is a show version of the 3508 switch.

LR0007>show ver

Cisco Internetwork Operating System Software

IOS (tm) C3500XL Software (C3500XL-C3H2S-M), Version 12.0(5)WC17, RELE                                                                                                           ASE SOFTWARE (fc1)

Copyright (c) 1986-2007 by cisco Systems, Inc.

Compiled Tue 13-Feb-07 15:04 by antonino

Image text-base: 0x00003000, data-base: 0x00352924

ROM: Bootstrap program is C3500XL boot loader

LR0007 uptime is 43 weeks, 6 days, 23 hours, 19 minutes

System returned to ROM by power-on

System restarted at 09:36:48 EST Thu Feb 16 2012

System image file is "flash:c3500xl-c3h2s-mz.120-5.WC17.bin"

cisco WS-C3508G-XL (PowerPC403) processor (revision 0x01) with 8192K/1                                                                                                           024K bytes of memory.

Processor board ID CSG0735P0WC, with hardware revision 0x01

Last reset from power-on

Processor is running Enterprise Edition Software

Cluster command switch capable

Cluster member switch capable

8 Gigabit Ethernet/IEEE 802.3 interface(s)

32K bytes of flash-simulated non-volatile configuration memory.

Base ethernet MAC Address: 00:0D:65:21:07:C0

Motherboard assembly number: 73-3985-10

Power supply part number: 34-1000-01

Motherboard serial number: CAT07350870

Power supply serial number: APQ072800B4

Model revision number: P0

Motherboard revision number: A0

Model number: WS-C3508G-XL-EN

System serial number: CSG0735P0WC

Configuration register is 0xF

And here are the commans in conf t

LR0007(config)# int gi0/4

LR0007(config-if)#?

Interface configuration commands:

  arp                     Set arp type (arpa, probe, snap) or timeout

  bandwidth               Set bandwidth informational parameter

  carrier-delay           Specify delay for interface transitions

  cdp                     CDP interface subcommands

  custom-queue-list       Assign a custom queue list to an interface

  default                 Set a command to its defaults

  delay                   Specify interface throughput delay

  description             Interface specific description

  duplex                  Configure duplex operation.

  exit                    Exit from interface configuration mode

  fair-queue              Enable Fair Queuing on an Interface

  flowcontrol             Configure flow control operation.

  help                    Description of the interactive help system

  hold-queue              Set hold queue depth

  ip                      IP interface commands

  keepalive               Enable keepalive

  load-interval           Specify interval for load calculation for an interface

  logging                 Configure logging for interface

  loopback                Configure internal loopback on an interface

  mac-address             Manually set interface MAC address

  max-reserved-bandwidth  Maximum Reservable Bandwidth on an Interface

  mtu                     Set the interface Maximum Transmission Unit (MTU)

  mvr                     MVR per port configuration

  negotiation             Select Autonegotiation mode

  no                      Negate a command or set its defaults

  port                    Perform switch port configuration

  priority-group          Assign a priority group to an interface

  random-detect           Enable Weighted Random Early Detection (WRED) on an Interface

  rmon                    Configure Remote Monitoring on an interface

  service-policy          Configure QoS Service Policy

  shutdown                Shutdown the selected interface

  snmp                    Modify SNMP interface parameters

  spanning-tree           Spanning Tree Subsystem

  switchport              Set switching mode characteristics

  timeout                 Define timeout values for this interface

  transmit-interface      Assign a transmit interface to a receive-only interface

  tx-queue-limit          Configure card level transmit queue limit

  udld                    Configure UDLD enabled or disabled and ignore global UDLD setting

Thanks for all of your help.  this forum is great for stuff like this.

Jason Alge

1 Reply 1

mahmoodmkl
Level 7
Level 7

Hi

U will not be able to set the speed on this port as it is fixed.

Thanks

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