Trunk port does not work in ME3400

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May 16th, 2008
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Hi all, is there any cause so that a switchport mode trunk command does not work in a 3400 switch fast ethernet port? When I apply the command, and I define the vlans that should pass the trunk, and allow them, all of them fall. On the contrary, if I set the switchport access vlan XX command on the port, only that vlan works....but no idea why the trunk mode is not set...


The IOS is MetroBase 12.2(25)EX1

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Pavel Bykov Thu, 05/29/2008 - 05:55
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You should be able to use trunks on both UNI and NNI ports.


switchport trunk allowed vlan X

switchport mode trunk


those two commands should be enough.


Also, EX1 is an older IOS.

(44)SE is the current version.

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