CLI Reference IP Address Configuration Commands
one interface and send it though the same interface. If the device sends the packet
through the interface through which this packet is received, the device will send an
ICMP redirection message to the data source, telling the data source that the
gateway for the destination address is another device in the subnet. In this way the
data source will send subsequent packets along the optimum path.
The RGOS software enables ICMP redirection by default
The following is an example of disabling ICMP redirection for the fastEthernet 0/1
interface.
interface fastEthernet 0/1
no ip redirects
This command is supported on the Layer 2 switch only.
Use this command to allow the RGOS software to process an IP packet with source
route information in global configuration mode. The no form of this command is used
to disable the source route information processing function.
Global configuration mode.
RGOS supports IP source route. When the device receives an IP packet, it will
check the options of the IP packet, such as strict source route, loose source route
and record route. Details about these options can be found in RFC 791. If an option
is found to be enabled in this packet, a response will be made. If an invalid option is
detected, an ICMP parameter problem message will be sent to the data source, and
then this packet is discarded.
The RGOS software supports IP source route by default.
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