Fw: mac access-list extended (Has someone used this before?)

From: Rick Lowery (ccie_2003@xxxxxxxxxxx)
Date: Thu Aug 22 2002 - 23:25:25 GMT-3

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There is not much documentation on this at all. I don't understand how to
configure a MAC adddress mask. I know these are great for filtering non-IP
traffic, but can someone show an example with filtering ip traffic?

Thanks,
Rick

      Step 1
     configure terminal
     Enter global configuration mode.

      Step 2
     mac access-list extended name
     Define an extended MAC access list by using a name.

      Step 3
     {deny | permit} {any | host source MAC address} {any | host destination
MAC address} [aarp | amber | appletalk | dec-spanning | decnet-iv | diagnostic
| dsm | etype-6000 | etype-8042 | lat | lavc-sca | mop-console | mop-dump |
msdos | mumps | netbios | vines-echo |vines-ip | xns-idp]
     In extended MAC access-list configuration mode, specify to permit or deny
any source MAC address or a specific host source MAC address and any
destination MAC address.

(Optional) You can also enter these options:

      Step 4
     end
     Return to privileged EXEC mode.

**This is me on my switch!!!!

3550(config)#mac access-list extended MYNAME
3550(config-ext-macl)#per
3550(config-ext-macl)#permit ?
  H.H.H 48-bit source MAC address
  any any source MAC address
  host A single source host

3550(config-ext-macl)#permit d1.d2.d3 ?
H.H.H 48-bit source MAC address mask

3550(config-ext-macl)#permit d1.d2.d3

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