accesss-expression

From: micklegao@xxxxxxxxxxx
Date: Fri Sep 29 2000 - 09:28:43 GMT-3


   
   hi,
   
     this is a the config,
   
       router r1, r2 , r3 are connected by a hub with their ethernet
   port, r1 can ping r2 ,r3 sucessfully.
   if i only want r1 can ping r2, and not r1 ping r3, i must filter sth.
   if ip acce-filter is not permited, i want to use mac filter.
   
      does access-expresssion can do this?
      i have tryed , but failed.



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