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How to block ICMPv6 MLD Reports from Network PCs and IP phones.

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Information

 
TitleHow to block ICMPv6 MLD Reports from Network PCs and IP phones.
Objective
How to block ICMPv6 MLD Reports from Network PCs and IP phones.
Environment
  • All EXOS
  • All Platforms 
Procedure
Simply apply the following ACL to block such traffic.

entry deny-IPV6 {
if {
protocol icmpv6;
icmp-type 131;
}
then {
deny;
count counter1;
}
}

Then apply the ACL;

configure access-list <name of policy file> vlan <vlan name> ingress

To make sure that packets are hitting the ACL, please use the command :

Show access-list counter vlan <vlan name> ingress
Additional notes

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