Catalyst 4900M - Interface Numbering

jay.dalu-chandu · ‎01-18-2010

Hello there all,

I was wondering if a interface numbering scheme is available for the 4900M. Configuration includes 1 x 8Port 10G and 1 x 20Port 1G modules. Would like to understand

How the slots are addressed
Interface Addressing
TwinGig interface addressing

Hope someone can help

Regards

Jay

Lucien Avramov · ‎01-18-2010

Can you post your show ip int brief output?

jay.dalu-chandu · ‎01-19-2010

No, I have ordered these switches and thought that whilst waiting for delivery I will write the configurations, prepare patching/cabling schedules prepare the diagrams etc....

glen.grant · ‎01-18-2010

This should answer your questions...

http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/12.2/53SG/configuration/sw_int.html#wp1128472

jay.dalu-chandu · ‎01-19-2010

Thanks, have seen that document it talks about 4500 series chassis and modules not 4900M specifically.

kumarkrishnar · ‎01-19-2010

Hi

Hope this will help you abt the product

http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6021/ps9310/AAG_Cat_4900M.pdf

regards

krishna kumar

jay.dalu-chandu · ‎01-19-2010

Krishna, unfortunately not. That link is simply a product brochure.

maxim_gorbatov · ‎04-28-2010

=========================

Cisco Switch Interfaces

For Cisco Catalyst 4948 10 Gigabit Ethernet Switches and Cisco Catalyst 4900M Switches, an interface name is composed of three parts that are formatted as follows:

slot_number /port_number

The variables are as follows:

• slot_number: The slot number is the number of the switch slot in which the interface module is installed. In a fixed-port configuration such as for a Cisco Catalyst 4948 10 Gigabit Ethernet Switch, the slot number is always 1. Module slots are numbered 1 to 3, from bottom to top and left to right. The Cisco Catalyst 4900M has one fixed slot, which is slot 1. The top-two half-slots are slots 2 and 3, left to right, respectively.

• port_number: The port number is the number of the port on the interface module or the switch.

=====================

Hope this will help.

Maxim.

pzpgd1mlf · ‎06-04-2010

So, in this case I assume the 2x10G interfaces would be Ten1/1 and Ten1/2. Thank you.

Stefan Bischoff · ‎10-13-2010

Hello Jay,

the onboard 10 Gigabit interfaces are numberd as TenGigabitEthernet 1/1 up to TenGigabitEthernet 1/8. If you put the 20 Port WS-X4920-GB-RJ45 Module in the first module slot beneath the system and power LEDs, the Gigabit ports are numbered from GigabitEthernet 2/1 up to GigabitEthernet 2/20. If you plan to use TwinGig adapters, you have to use one of the TenGigabitEthernet expansion modules (4-Port WS-X4904-10GE or 8-Port WS-X4908-10GE, 2:1 overbooked), because the onboard TenGigabitEthernet interfaces does not support TwinGig adapters.

With kind regards

Stefan

sbertsch · ‎05-01-2012

I know I'm replying to an old post, but for the sake of folks getting here via google:

*May 1 14:35:06.899: %C4K_IOSMODPORTMAN-6-MODULEONLINE: Module 1 (WS-C4900M S/N: x Hw: 1.8) is online

*May 1 14:35:06.899: %C4K_IOSMODPORTMAN-6-MODULEONLINE: Module 2 (WS-X4908-10GE S/N: x Hw: 1.2) is online

*May 1 14:35:06.899: %C4K_IOSMODPORTMAN-6-MODULEONLINE: Module 3 (WS-X4920-GB-RJ45 S/N: x Hw: 1.2) is online

Module 1: Built-in 8x 10G

Module 2: Left Module

Module 3: Right Module

Note the 4908-10GE card has 16 GigE interfaces defined for use with CVR-X2-SFP= (TwinGig), counting up in port number from where the 10G interfaces left off.

Switch#show int status

Port Name Status Vlan Duplex Speed Type

Te1/1 notconnect 1 full 10G No X2

Te1/2 notconnect 1 full 10G No X2

Te1/3 notconnect 1 full 10G No X2

Te1/4 notconnect 1 full 10G No X2

Te1/5 notconnect 1 full 10G No X2

Te1/6 notconnect 1 full 10G No X2

Te1/7 notconnect 1 full 10G No X2

Te1/8 notconnect 1 full 10G No X2

Te2/1 notconnect 1 full 10G No X2

Te2/2 notconnect 1 full 10G No X2

Te2/3 notconnect 1 full 10G No X2

Te2/4 notconnect 1 full 10G No X2

Te2/5 notconnect 1 full 10G No X2

Te2/6 notconnect 1 full 10G No X2

Te2/7 notconnect 1 full 10G No X2

Te2/8 notconnect 1 full 10G No X2

Gi2/9 inactive 1 full 1000 No Gbic

Gi2/10 inactive 1 full 1000 No Gbic

Gi2/11 inactive 1 full 1000 No Gbic

Gi2/12 inactive 1 full 1000 No Gbic

Gi2/13 inactive 1 full 1000 No Gbic

Gi2/14 inactive 1 full 1000 No Gbic

Gi2/15 inactive 1 full 1000 No Gbic

Gi2/16 inactive 1 full 1000 No Gbic

Gi2/17 inactive 1 full 1000 No Gbic

Gi2/18 inactive 1 full 1000 No Gbic

Gi2/19 inactive 1 full 1000 No Gbic

Gi2/20 inactive 1 full 1000 No Gbic

Gi2/21 inactive 1 full 1000 No Gbic

Gi2/22 inactive 1 full 1000 No Gbic

Gi2/23 inactive 1 full 1000 No Gbic

Gi2/24 inactive 1 full 1000 No Gbic

Gi3/1 notconnect 1 auto auto 10/100/1000-TX

Gi3/2 notconnect 1 auto auto 10/100/1000-TX

Gi3/3 notconnect 1 auto auto 10/100/1000-TX

Gi3/4 notconnect 1 auto auto 10/100/1000-TX

Gi3/5 notconnect 1 auto auto 10/100/1000-TX

Gi3/6 notconnect 1 auto auto 10/100/1000-TX

Gi3/7 notconnect 1 auto auto 10/100/1000-TX

Gi3/8 notconnect 1 auto auto 10/100/1000-TX

Gi3/9 notconnect 1 auto auto 10/100/1000-TX

Gi3/10 notconnect 1 auto auto 10/100/1000-TX

Gi3/11 notconnect 1 auto auto 10/100/1000-TX

Gi3/12 notconnect 1 auto auto 10/100/1000-TX

Gi3/13 notconnect 1 auto auto 10/100/1000-TX

Gi3/14 notconnect 1 auto auto 10/100/1000-TX

Gi3/15 notconnect 1 auto auto 10/100/1000-TX

Gi3/16 notconnect 1 auto auto 10/100/1000-TX

Gi3/17 notconnect 1 auto auto 10/100/1000-TX

Gi3/18 notconnect 1 auto auto 10/100/1000-TX

Gi3/19 notconnect 1 auto auto 10/100/1000-TX

Gi3/20 notconnect 1 auto auto 10/100/1000-TX

Switch#

alsarinetworks · ‎08-05-2015

Thanks,

Very useful. A simple topic but very difficult find out clear information about this.