Allied Telesis AT-8550 - Manual (Page 149)

AT-9108, AT-8518, AT-8525, and AT-8550 User’s Guide
8-21
disable icmp unreachables {vlan <name>} Disables the generation of ICMP unreachable
messages on one or all VLANs.
disable icmp useredirects Disables the changing of routing table
information when an ICMP redirect message is
received.
disable irdp {vlan <name>} Disables the generation of router advertisement
messages on one or all VLANs.
Table 8-5 ICMP Configuration Commands (Continued)
Command Description