Ignore DISCOVERs from a certain MAC?

Tina Siegenthaler tina at zool.uzh.ch
Mon Jul 16 14:11:44 UTC 2007

Thanks, Michael, but I don't have access to the Cisco switches, they  
are managed by another department, and I doubt' they will change the  
configuration for something like this.


Am 16.07.2007 um 15:45 schrieb King, Michael:

> Just in case Simon's and Glenn's ways don't work out (Which are a much
> better ways to fix this)
> FYI, I've cobbled this together from memory.  Please check for  
> syntax /
> logic errors, before trying this on production environment.  Also, the
> FastEthernet is a deliberate syntax error.
> On your cisco switch port, block all DHCP traffic...
> access-list 140 remark Deny all Bootps traffic
> access-list 140 deny udp any any eq bootps
> access-list 140 remark permit all other traffic
> access-list 140 permit ip any any
> interface FastEthernet0/0
> ip access-group 140 in

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