Routing between Vlans

Answered Question
May 3rd, 2007

Hello, I have a 1900 switch on which I have configured 3 vlans & a trunk to a 2600 router. When configuring the router I can enter each of the subinterfaces of the fast ethernet port but when I attempt to enter "encapsulation isl 2" to set the encapsulation for vlan 2 (or any vlan), there is no encapsulation option! (the "?" does not show encapsulation). Does this mean that this version of the ios doesn't support vlan trunking??

Help appreciated.

Regards

I have this problem too.
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Correct Answer by bjornarsb about 9 years 7 months ago

Hi,

Minimum Release Required for ISL Trunking

Cisco 2620

11.3(3a)T

Cisco 2621

11.3(3a)T

Cisco 2620

12.1(3a)T

Regards,

Bjornarsb

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Correct Answer
bjornarsb Thu, 05/03/2007 - 09:29

Hi,

Minimum Release Required for ISL Trunking

Cisco 2620

11.3(3a)T

Cisco 2621

11.3(3a)T

Cisco 2620

12.1(3a)T

Regards,

Bjornarsb

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