From: wing_lam@jossynergy.com
Date: Thu Sep 25 2003 - 01:16:29 GMT-3
Hi,
Sorry for disturbing your question but I just want to verify whether access
expression can work in Ethernet? As far as I know it only works in Token
ring environment.
Thx a lot!
BBD (Big Black Dog)
                                                                                                                                       
                      "Joe Biondino"                                                                                                   
                      <joe_biondino@hot        To:       <ccielab@groupstudy.com>                                                      
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                      Sent by:                 Subject:  Another DLSW+ Q                                                               
                      nobody@groupstudy                                                                                                
                      .com                                                                                                             
                                                                                                                                       
                                                                                                                                       
                      09/24/2003 09:25                                                                                                 
                      PM                                                                                                               
                      Please respond to                                                                                                
                      "Joe Biondino"                                                                                                   
                                                                                                                                       
                                                                                                                                       
Hi consider the following diagram:
ETH LAN A--(R1)----(IP CLOUD)----(R2)--ETH LAN B
There is a DLSW connection between R1 and R2... Say I wanted only to allow
only SNA frames to go from LAN A to FEP on LAN B (non-canonical MAC
1111.1111.1111) and I had to use an access expression on R1's Ethernet
Interface (other requirements ommitted)...
When I build my access expression, would I use the non-canonical or
canonical
MAC address in my access-list for the DMAC entry??
I would have thought I would use the NON CANONICAL representation as the
access-expression sits on the interface before the traffic hits the DLSW
process (where it gets bitswapped)... I have however, documentation that
provides a different take on the situation...
Joe
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