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ICMP Tasks
You can enable the following ICMP features:
- ICMP Router Discovery Protocol (IRDP)
- ICMP netmask reply
- Sending of IP redirects
- Generation of ICMP unreachable messages
ip irdp
- Use to enable IRDP processing on an interface.
- Example
- host1(config-if)#ip irdp
- Use the no version to disable
the function.
- See ip irdp
ip mask-reply
- Use to enable ICMP netmask reply.
- Example
- host1(config-if)#ip mask-reply
- Use the no version to disable
the function.
- Seeip mask-reply
ip redirects
- Use to enable the sending of redirect messages if software
is forced to resend a packet through the same interface on which it
was received.
- Example
- host1(config-if)#ip redirects
- Use the no version to disable
the sending of redirect messages.
- See ip redirects
ip unreachables
- Use to enable the generation of an ICMP unreachable message
when a packet is received that the router cannot deliver.
- Example
- host1(config-if)#ip unreachables
- Use the no version to disable
the function.
- See ip unreachables
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