From: Scott Morris (swm@emanon.com)
Date: Mon Jul 03 2006 - 00:29:03 ART
Big limitation.... You can't do it. At least not on the same interface.
Now if you have two separate trunks, you can run one in ISL and the other in
Dot1q. But the framing mechanisms are completely different for the two of
them.
Also note, that if you are doing port channel (FEC) then your trunking modes
must match as well (or at least they used to!).
HTH,
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE
#153, CISSP, et al.
CCSI/JNCI
IPExpert CCIE Program Manager
IPExpert Sr. Technical Instructor
smorris@ipexpert.com
http://www.ipexpert.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Feras Abunamous (fabunamo)
Sent: Sunday, July 02, 2006 11:20 PM
To: Cisco certification
Subject: dot1q and ISL trunks intermixing
I have isl trunk between two switches and I have a router's fastethernet
interface split into sub interfaces and it is connected to one of switches
over a dot1q trunk. Would this work? And is there any limitations on
intermixing isl's and dot1q?
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