Re: DDN X.25 mapping


mankin@gateway.mitre.org
Mon, 14 Sep 87 11:56:33 EDT


Z. Wang asked what happens to a source route option in a 4.2
gateway.

It depends what you mean by a 4.2 gateway. The original Berkeley
release of 4.2 has a typo in the code in ip_stripoptions (a bcopy to
m instead of mopt--easy to see) which crashes the machine when an IP
packet with *any* option is forwarded. The Ultrix version of 4.2
does not have this bug.

If this bug is fixed, the updated option goes out on the forwarded
packet.

                Allison



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