Hi all I am trying to block "ping 10.20.30.40 data FFFF" from a router.
class-map type access-control match-any ac match start ICMP payload-start offset 0 size 1500 string "FFFF" class-map type stack match-all sc match field IP protocol eq 1 next ICMP policy-map type access-control ac class ac drop policy-map type access-control st class sc service-policy ac It's simple but I am missing something. I am still able to ping. With regards Kings
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