From: Luis Rueda (userlerueda@hotmail.com)
Date: Fri Oct 07 2005 - 18:22:08 GMT-3
Kevin,
Are you studying for the R&S Lab ? If you are, don't worry about QinQ,
because this is not tested on the R&S Lab, it is tested on the SP LAB
http://www.cisco.com/web/learning/le3/ccie/sp/lab_exam_blueprint.html
Regards,
Luis
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
kevin gannon
Sent: Friday, October 07, 2005 1:25 PM
To: lab
Subject: Dot1q Tunnel ?
Doing some testing with dot1q tunnels and want to figure out what is the
destination address of the tunneled packets once they get into the SP
network. the docs say its a multicast which makes sense as you need to flood
everywhere so I ran a little test to see for myself. Below is a snippet from
the SP switch reciving the tunneled packets:
mac access-list extended TUNNEL
deny host 0100.0ccd.cdd0 any
deny any host 0100.0ccd.cdd0
permit any any
!
interface FastEthernet0/13
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 2-4094
switchport mode dynamic desirable
mac access-group TUNNEL in
!
Where fas 0/13 is the port reciving the tunneled packets from the
neighboring switch. However with the ACL in place I can get tunneled traffic
across no problem. I am afraid I dont have physical access to my lab to use
a sniffer to check the destination is what the doc's say.
Am I missing something (apart from coffee) ?
Regards
Kevin
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