By inspecting the payload of ICMP time-exceeded packets, I noticed that sometimes it is the last but one router (when ttl=2 in the returned packet) or even a previous one(up to 5 hops before, ttl=5) ...
How can I set ICMP rate-limiting in a Cisco router? Here on the manual page they only talk about ICMP unreachable messages: ip icmp rate-limit unreachable [df] [ms] [log [packets] [interval-ms]] ...
I'm studying a "good practices" document for Cisco IOS, and one of its controls tells me to disable ICMP Redirect packets in the router. Sounds reasonable. So I go test it in Cisco Packet Tracker (a ...
I'm very new to managing Cisco equipment, so bear with me. I'm configuring a Cisco ASA 5505 router for my office, and I am reasonably competent enough with the console to configure the basics -- our ...