On disabling the ICMP multicast processing, ICMPv6 Echo Request
packets sent to IPv6 multicast addresses are dropped when they reach
the control plane.
About this task
Use this procedure to disable the IPv6 ICMP multicast on the global router. By default, the IPv6
ICMP multicast feature is enabled.
Procedure
-
Enter either Global Configuration mode
or VRF Router Configuration mode for a specific VRF context:
enable
configure
terminal
Optional: router vrf WORD<1-16>
- Disable IPv6 ICMP multicast,
enter:
no ipv6
icmp echo-multicast-request
- View the IPv6 ICMP
multicast state:
show
ipv6 global [vrf WORD<1–16> | vrfids WORD<0–512>]
