From: Scott Morris (swm@emanon.com)
Date: Sat Mar 17 2007 - 12:14:24 ART
With dot1q, it's a "tag" field inserted into the existing header. With ISL
it's an entirely new encapsulation header.
So the word "tag" refers to dot1q.
HTH,
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE
#153, CISSP, et al.
CCSI/JNCI-M/JNCI-J
IPexpert VP - Curriculum Development
IPexpert Sr. Technical Instructor
smorris@ipexpert.com
http://www.ipexpert.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Bit
Gossip
Sent: Saturday, March 17, 2007 9:12 AM
To: ccielab@groupstudy.com
Subject: Vlan tagging IEWB4 Task1.3
Group,
this is another wording thing.....
If the task asks to use a trunk that 'tags with VLAN header', is it dot1q or
isl For me they both tag with a VLAN header just in different position
within the frame....
The solution from IEWB4 Task 1.3 is dot1q; but I dont understand why Thanks,
Luca.
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