RE: Vlan issue

From: Richard Dumoulin (richard.dumoulin@vanco.es)
Date: Tue May 04 2004 - 13:28:50 GMT-3

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But tagged what ? Not sure but maybe 3Com is using a non standard trunking
encapsulation, like ISL for Cisco. One with a native vlan :) I know it's not
probable.
Can you plug your 2600 to a Cisco switch and see if it works ? If not then
your issue is probably on the fast controller.
 
--Richard

-----Original Message-----
From: ccie [mailto:ccie@tisolutions.biz]
Sent: martes, 04 de mayo de 2004 18:24
To: Richard Dumoulin
Cc: ccielab@groupstudy.com
Subject: RE: Vlan issue

because vlan 2 on the switch is set to tagged
 
I'm debugging ip packets and I'm seeing encapsulation failed
 
 

-----Original Message-----
From: Richard Dumoulin [mailto:richard.dumoulin@vanco.es]
Sent: 04 May 2004 17:04
To: ccie
Subject: RE: Vlan issue

Also how do you know your 3Com is sending dot1Q frames ?

-----Original Message-----
From: ccie [mailto:ccie@tisolutions.biz]
Sent: martes, 04 de mayo de 2004 17:51
To: Richard Dumoulin
Subject: RE: Vlan issue

hi Richard
 
I'm not to experienced with 3com's so how do I check?
the 2600 is running 12.3.6 but I'm going to load 12.2.23 less bugs
 
thanks

-----Original Message-----
From: Richard Dumoulin [mailto:richard.dumoulin@vanco.es]
Sent: 04 May 2004 16:32
To: ccie; ccielab@groupstudy.com
Subject: RE: Vlan issue

An interface fastethernet controller bugg on your 2600 ? Is your 3Com
negociating the trunk or not ?

--Richard

-----Original Message-----
From: ccie [mailto:ccie@tisolutions.biz <mailto:ccie@tisolutions.biz> ]
Sent: martes, 04 de mayo de 2004 17:15
To: ccielab@groupstudy.com
Subject: OT: Vlan issue

Hi

This is the situation:

I have a 3com 4400 switch with 2 vlan (data and voice) connecting to a
single fast ethernet port on a 2600 router. I have created sub interfaces
with 802.1q encaps. First sub is in vlan 1 native and the second sub is in
vlan 2 non native. When I ping a device in vlan 2 i get and incomplete arp
entry. Any ideas why....

I have tried adjusting the arp timeout and using extended pings with a
longer time between packets with no success.

Thanks

Ben

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