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4.3.2.6 Source Route Connected: An Internet Encyclopedia
4.3.2.6 Source Route

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Next: 4.3.2.7 When Not to Send ICMP Errors

4.3.2.6 Source Route

4.3.2.6 Source Route

If the packet which provokes the sending of an ICMP error message contains a source route option, the ICMP error message SHOULD also contain a source route option of the same type (strict or loose), created by reversing the portion before the pointer of the route recorded in the source route option of the original packet UNLESS the ICMP error message is an ICMP Parameter Problem complaining about a source route option in the original packet, or unless the router is aware of policy that would prevent the delivery of the ICMP error message.

DISCUSSION

In environments which use the U.S. Department of Defense security option (defined in [INTERNET:5]), ICMP messages may need to include a security option. Detailed information on this topic should be available from the Defense Communications Agency.


Next: 4.3.2.7 When Not to Send ICMP Errors

Connected: An Internet Encyclopedia
4.3.2.6 Source Route

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