Part 1 of ICMP Message Handling described the ICMP defined message types supported in NerveCenter.  Part 2 covers the ICMP responses that can be received by NerveCenter. Today we cover the possible ICMP replies returned by devices as the result of an ICMP or SNMP poll attempt.  The context of the traffic issued by the […]

NerveCenter emits two types of traffic onto the networks it is attached to: SNMP and ICMP datagrams. Either of these traffic types can be replied to with an ICMP message. The reply message might be generated by the destination host or a gateway along the path taken by the datagram. NerveCenter, therefore, must be aware […]