how to filter arp (arp attack)

[sync]

Access Point Memory Exhaustion from ARP Attacks

http://www.cisco.com/en/US/products/products_security_advisory09186a00805e465b.shtml

block arp attack

this problem is correct ? (below)

interface Dot11Radio0

l2-filter bridge-group-acl

bridge-group 1 input-type-list 200

bridge-group 1 output-type-list 200

!!

access-list 200 deny 0x0806 0x0000

access-list 200 permit 0x0000 0xFFFF

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After IOS version 12.3-7-JA2 upgrade

this command insert

interface Dot11Radio0

l2-filter block-arp (this command apply 12.3.7JA2)