vlan map Permit IP

From: Volkov, Dmitry (IDS Canada) (dmitry_volkov@ca.ml.com)
Date: Sat Aug 09 2003 - 13:25:06 GMT-3

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Can somebody explain WHY does it work ?
 
mac access-list extended vlan2mac
 permit any any 0x806 0x0
!
vlan access-map vlan2 10
 action forward
 match mac address vlan2mac
vlan filter vlan2 vlan-list 2
 
I mean - IP flows between ports in Vlan 2 without explicitly permitting
Ethertype 0800 (IP) in mac access-list:
permit any any 0x800 0x0. Why ??
If I remove permitting ARP (806) and claer arp cache - ARP stops working,
but IP is still working if I remove permit 0x0800
 
Thanks,
 
Dmitry

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