Cant "switchport" my router interfaces on a 2600 Router

Unanswered Question
Jul 3rd, 2008
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I have an old 2600 router, running version 12.2, that I intend to use to replace a 1700 router, temporarily until I can get an 1800 delivered.


Although I can get port fa 2 to function as a switchport on the 1700 router and therefore trunk vlans to and from a connected switch, I cannot do the same on the 2600 router.


The 1700 router has 5 fastethernet interfaces and the 2600 only has two.


Is this a limitation caused by the number of ethernet interfaces i have on the router ? Is there a workaround this

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You need to configure sub-interfaces on the router. The 2600 needs to have the IOS version to support VLAN dot1q based sub-interfaces.


Try configuring on your router:-


Interface e 0/0.1 or fe0/0.1

under the interface then try

encapsulation dot1Q <>


Obviously the switchport the 2600 connects to needs to be a trunk port!


HTH.


marksenteza Thu, 07/03/2008 - 07:23
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I've tried configuring subinterfaces on the 2600 and the "encapsulation" command isnt recognized.

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