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New Member

How to check a switch can support number of LAN

Hi..

I am using 2940 swithc (8-Port). My question is -

by which command/procedure, i can check a swich will support how many vlans?

10 REPLIES
Bronze

Re: How to check a switch can support number of LAN

The command might sh vtp stat

sh vtp stat

VTP Version : 2

Configuration Revision : 29

Maximum VLANs supported locally : 1005

Number of existing VLANs : 15

VTP Operating Mode : Server

VTP Domain Name : S-HB1

VTP Pruning Mode : Disabled

VTP V2 Mode : Disabled

VTP Traps Generation : Enabled

MD5 digest : 0xF9 0xAD 0x14 0x07 0xB4 0x8B 0x82 0x93

Configuration last modified by 10.x.x.x at 3-1-93 04:31:21

Local updater ID is 10.x.x.x on interface Vl1 (lowest numbered VLAN interface found)

Purple

Re: How to check a switch can support number of LAN

You shouldn't need too many with only 8 ports . Early versions of the 2940 did not support many. Newer versions of IOS supported more.

Bronze

Re: How to check a switch can support number of LAN

True. I guess I was just referring to how to find out the max vlan supported.

New Member

Re: How to check a switch can support number of LAN

Hi Glen,

Thanks for your valulable support. show version output is attached herewith. Please be advise with the newer IOS.

Thanks in Advance---Jeet

------------------ show version ------------------

Cisco IOS Software, C3750 Software (C3750-IPBASE-M), Version 12.2(25)SEE3, RELEASE SOFTWARE (fc2)

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

Compiled Thu 22-Feb-07 15:04 by myl

Image text-base: 0x00003000, data-base: 0x00EE40E0

ROM: Bootstrap program is C3750 boot loader

BOOTLDR: C3750 Boot Loader (C3750-HBOOT-M) Version 12.2(25r)SEC, RELEASE SOFTWARE (fc4)

GSI_Rajaji_CHE uptime is 4 hours, 41 minutes

System returned to ROM by power-on

System image file is "flash:c3750-ipbase-mz.122-25.SEE3/c3750-ipbase-mz.122-25.SEE3.bin"

cisco WS-C3750-48TS (PowerPC405) processor (revision N0) with 118784K/12280K bytes of memory.

Processor board ID CAT1115NJAJ

Last reset from power-on

3 Virtual Ethernet interfaces

48 FastEthernet interfaces

4 Gigabit Ethernet interfaces

The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.

Base ethernet MAC Address : 00:1B:90:65:1C:00

Motherboard assembly number : 73-9680-10

Power supply part number : 341-0028-02

Motherboard serial number : CAT1115565N

Power supply serial number : LIT110306DZ

Model revision number : N0

Motherboard revision number : B0

Model number : WS-C3750-48TS-S

System serial number : CAT1115NJAJ

SFP Module assembly part number : 73-7757-03

SFP Module revision Number : A0

SFP Module serial number : CAT11115WPG

Top Assembly Part Number : 800-25854-02

Top Assembly Revision Number : F0

Version ID : V05

CLEI Code Number : CNMV300CRE

Hardware Board Revision Number : 0x01

Switch Ports Model SW Version SW Image

------ ----- ----- ---------- ----------

* 1 52 WS-C3750-48TS 12.2(25)SEE3 C3750-IPBASE-M

Configuration register is 0xF

New Member

Re: How to check a switch can support number of LAN

Hi Glen...Waiting for your update!!!

Bronze

Re: How to check a switch can support number of LAN

A 3750 switch will support up to 1005 VLANs as shown by sh vlan br and sh vtp status. Both output show the max VLANs supported locally.

New Member

Re: How to check a switch can support number of LAN

Hi..but i am using 2940 switch..is it applicable on 2940 also?

Jeet!!!

Bronze

Re: How to check a switch can support number of LAN

My bad...you posted a sh ver of a 3750. I don't have access to the 2940 but I am sure you can use the same command.

sh vlan br

sh vtp stat

regards,

New Member

Re: How to check a switch can support number of LAN

oops...my mistake..plesae find correct one---

sh ver

Cisco Internetwork Operating System Software

IOS (tm) C2940 Software (C2940-I6Q4L2-M), Version 12.1(19)EA1c, RELEASE SOFTWARE (fc2)

Copyright (c) 1986-2004 by cisco Systems, Inc.

Compiled Mon 02-Feb-04 22:53 by yenanh

Image text-base: 0x80010000, data-base: 0x80594000

ROM: Bootstrap program is C2950 boot loader

2940 uptime is 18 minutes

System returned to ROM by power-on

System image file is "flash:/c2940-i6q4l2-mz.121-19.EA1c/c2940-i6q4l2-mz.121-19.EA1c.bin"

cisco WS-C2940-8TF-S (RC32300) processor (revision C0) with 20776K bytes of memory.

Processor board ID FHK0817Y0J9

Last reset from system-reset

Running Standard Image

9 FastEthernet/IEEE 802.3 interface(s)

1 Gigabit Ethernet/IEEE 802.3 interface(s)

The password-recovery mechanism is enabled.

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

Base ethernet MAC Address: 00:0F:90:28:A1:80

Motherboard assembly number: 73-8783-05

Power supply part number: 341-0085-01

Motherboard serial number: FOC08151XX6

Power supply serial number: HIC080600PF

Model revision number: C0

Motherboard revision number: A0

Model number: WS-C2940-8TF-S

System serial number: FHK0817Y0J9

Configuration register is 0xF

sh vtp sta

VTP Version : 2

Configuration Revision : 0

Maximum VLANs supported locally : 8

Number of existing VLANs : 7

VTP Operating Mode : Transparent

VTP Domain Name : GSI_NAGPUR

VTP Pruning Mode : Disabled

VTP V2 Mode : Disabled

VTP Traps Generation : Disabled

MD5 digest : 0x70 0xBF 0x4C 0x6B 0x71 0x04 0xE7 0x58

Configuration last modified by 10.4.8.136 at 3-1-93 00:32:53

PLEASE HELP ME !!!! JEET

Hall of Fame Super Gold

Re: How to check a switch can support number of LAN

Maximum VLANs supported locally : 8 <<< --- Max number of VLAN supported by appliance (8)

Number of existing VLANs : 7

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