Network Router User Manual

Page 145
Destination
unreachabl
e
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.
Destinatio
n 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 range of IP addresses.
Source
Port
: You can control requests for using a specific application by
entering its port number here. Users can either set a single port
number or a range of port numbers.