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Configuring IP Services (ICMP)
The IA provides ICMP message capabilities, including ping and traceroute. Ping allows
you to determine the reachability of a certain IP host. Traceroute allows you to trace the IP
gateways to an IP host.
To access ping or traceroute on the IA, enter the following commands in Enable mode:
Specify ping.
Specify traceroute.
Configuring IP Helper
You can configure the IA to forward UDP broadcast packets received on a given interface
to all other interfaces or to a specified IP address. You can specify a UDP port number for
which UDP broadcast packets with that destination port number will be forwarded. By
default, if no UDP port number is specified, the IA will forward UDP broadcast packets
for the following five services:
•
DNS (port 37)
•
NetBIOS Name Server (port 137)
•
NetBIOS Datagram Server (port 138)
•
TACACS Server (port 49)
•
Time Service (port 37)
To configure a destination to which UDP packets will be forwarded, enter the following
command in Configure mode:
Specify local subnet interface,
destination helper IP address,
and UDP port number to
forward.
Internet Appliance User Reference Manual
Chapter 4: IP Routing Configuration Guide
<hostname-or-IPaddr>
ping
wait <num> [flood] [dontroute]
<host>
traceroute
[max-ttl
<num>
[size
] [source
<secs>
[wait-time
] [verbose] [noroute]
ip helper-address interface
<helper-address>
<num>
packets
size
<num>
] [probes
<secs>
<num>
] [tos
<interface-name>
|all-interfaces [
<udp-port#>
<num>
<num>
]
]
]
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