Cisco 2924 Extended VLAN

Unanswered Question
Jul 27th, 2009

Could I create extended VLAN on a 2900 switch? i.e. 1006 - 4094, I don't have any test equipment. I don't want to test it on production environment.

SWITCH01#Sho ver

System image file is "flash:c2900XL-h2s-mz-120.5.1-XP.bin"

cisco WS-C2924M-XL

SWITCH01#sho vtp stat

VTP Version : 2

Configuration Revision : 26

Maximum VLANs supported locally : 254

Number of existing VLANs : 21

VTP Operating Mode : Server

Thanks.

Gil

I have this problem too.
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gill.juguilon Mon, 07/27/2009 - 22:27

Hi Leo,

I haven't tried upgrading the IOS yet.

I already downloaded the IOS in case an upgrade is needed.

If I could create extended VLAN in transparent mode. Then my problem is solve.

Thanks for the reply.

Gil

jbrenesj Tue, 07/28/2009 - 09:43

Unfortunately I just tested it on my

WS-C2924M-XL running IOS Version 12.0(5)WC17 and it doesn't support extended vlans

WS-C2924M-XL-A(vlan)#vlan ?

<1-1005> ISL VLAN index

gill.juguilon Tue, 07/28/2009 - 15:06

Hi,

Could you please try to change the VTP operation mode to Transparent. Then create an extended VLAN. If it doesn't work then I have no choice but to change the switch.

Thanks and regards,

Gil

Leo Laohoo Tue, 07/28/2009 - 14:41

Hi Gil,

Apologize for wasting your time. The 2900/3500 switches are very "simple" models. I have a nagging suspicion it doesn't support extended VLANs but I can't confirm because I couldn't find any documentations nor do I have a sample to test it out.

gill.juguilon Tue, 07/28/2009 - 15:12

Hi Leo,

If this is not doable then I have no choice but to change the switch.

Thanks for information and help.

I appreciate it. :)

Regards,

Gil

jbrenesj Tue, 07/28/2009 - 15:27

Just changed it to transparent. Sorry, there is no extended vlan support

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