Extended Vlan Question

[osidegeek64]

Hey Guys-

I have a Cisco 2811 router running IOS 12.4(17) that will only allow me to use vlans 1-1005. I need to be able to setup vlans in the extended range. I understand that I cant use vlan database mode to create extended vlans and I need to use the vlan vlan-id global config mode; however, the 2811 doesnt give me that option. What am I missing?

[scottogden_2]

Is your router in vtp transparent mode?

e.g.

enable

configure terminal

vtp mode transparent

vlan 4072

end

copy running-config startup config

[osidegeek64]

Yes, its running in transparent mode.

[Jon Marshall]

Mike

You need to upgrade to 12.4(15)T to be able to use extended vlans on the 2800 -

http://www.cisco.com/en/US/customer/docs/ios/12_4t/12_4t15/ht_xvlan.html

Jon

[osidegeek64]

The article says 12.4(15)T or later, its running 12.4(17) right now. I do however have other 2800 series routers with 12.4(15)T and those work, so maybe Ill give that a shot and see if its an IOS thing.

[glen.grant · Accepted solution]

   If its 12.4.17 mainline the "T" train features are not carried thru the mainline train until the next major  mainline release. so to use a mainline train with that function you would have to use the actual "T" train  image (12.4..15Tor higher T train) or go to the 15.X  mainline version.

[osidegeek64]

That was it. Changing the IOS to the T train fix it. Thanks Glen.

[glen.grant]

  thanks to Jon also for looking that up 

[osidegeek64]

Youre right. Thanks Jon.

You guys were a big help. Thanks again.