Dasan V5808 - ICMP Destination Unreachable Message; ICMP Redirect Message

User Manual UMN:CLI
V5808
247
7.17.3 ICMP Destination Unreachable Message
If the switch receives a packet that has an unknown protocol or no route to the destination
address, the switch sends an ICMP unreachable message to its source address. What if
too many ICMP unreachable messages should be sent from the switch, it might cause
slow down the system operation.
To enable/disable generation of ICMP unreachable messages, use the following
command.
Command
Mode
Description
ip unreachables
Interface
Enables sending ICMP unreachable messages on the
interface.
no ip unreachables
Disables sending ICMP unreachable messages on the
interface.
7.17.4 ICMP Redirect Message
ICMP redirect messages are used when a router recognizes a packet arriving on an
interface and the best route is out that same interface. In that case the router sends an
ICMP redirect message back to the source telling about a better router on the same
subnet.
To enable/disable generation of ICMP redirect messages, use the following command.
Command
Mode
Description
ip redirects
Interface
Enables sending ICMP redirect messages on the
interface. (default)
no ip redirects
Disables sending ICMP redirect messages on the
interface.