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ICMP Packet Type Description
Echo request Determines whether an IP node (a host or
a router) is available on the network.
Echo reply Replies to an ICMP echo request.
Destination
unreachable
Informs the host that a datagram cannot
be delivered.
Source quench Informs the host to lower the rate at which
it sends datagrams because of
congestion.
Redirect Informs the host of a preferred route.
Time exceeded Indicates that the Time-to-Live (TTL) of an
IP datagram has expired.
Parameter
Problem
Informs that host that there is a problem in
one the ICMP parameter.
Timestamp
Request
Information that is from the ICMP data
packet.
Information
Request
Information that is from the ICMP data
packet.
Information Reply Information that is from the ICMP data
packet.
IGMP Types : This IP protocol is used to establish host memberships in particular
multicast groups on a single network. The mechanisms of the
protocol allow a host to inform its local router, using Host
Membership Reports.
Host Membership
Report
Information that is from the IGMP data
packet.
Host Membership
Query
Information that is from the IGMP data
packet.
Leave Host
Message
Information that is from the ICMP data
packet.
Source IP : This parameter allows you to specify workstation(s) generating the
data packets. Users can either set a single IP address or set a range
of IP addresses.
Destination IP : This parameter lets you specify the set of workstations that receive
the data packets. Users can either set a single IP address or set a