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802.1q encapsulation on ethernet sub interfaces

Unanswered Question
Sep 3rd, 2002
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Why can't I assign encapsulation to e0.1 on a Cisco 2503 router? I have loaded 12.2.11T ip plus IOS. this is later than the recommended 13.1.3T in the available documentation.


please help

Dr Kevin.L.Schoevers

Senior Engineer

NSC

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mart.norman Tue, 09/03/2002 - 22:30
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i think dot1q encapsulation works only for FastEthernet interfaces


rgds,


mart

kschoevers Tue, 09/03/2002 - 22:43
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Matt, they allowed encapsulation on the ethernet ports on a 2611 (these are not fast ethernet). THanks for answering though.


regards

Schooner

DALE FRANCIS Tue, 09/03/2002 - 23:41
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Hi,


If memory serves me correcltly the actual dot1q encaps is done in H/W and thus dependant on chipsets present.


I know the following devices support it plus the new RSP16:


Cisco 1710, Cisco 1751, 2600 series, 3600 series,Cisco 4000-M series (Cisco 4000-M, 4500-M, 4700-M), Cisco 7200 series ,RSP1Cisco 7505, RSP2 on7507 and 7513.


Regards

Dale



RSP4Cisco 7505, Cisco 7507, Cisco 7513, and Cisco 7576

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