nanog mailing list archives
Re: Strange things which should never happen (was Re: RFC 1918)
From: "Patrick W. Gilmore" <patrick () ianai net>
Date: Sat, 15 Jul 2000 02:58:45 -0400
At 10:14 PM 7/14/00 -0700, Sean Donelan wrote: >I don't know my TCP/IP stack well enough, but what happens when a host >with multiple interfaces, one of which is assigned an RFC1918 address, >receives an packet through another interface with a source address the >same RFC1918 address. Are the stacks smart enough to realize the packet >is really an external packet, or will they assume the packet came from >inside. Nope - at least none of the ones I have seen.Strictly speaking, the host *should* not care from which interface a packet is received unless you have some type of firewall/filtering rule-set installed.
TTFN, patrick
Current thread:
- Strange things which should never happen (was Re: RFC 1918) Sean Donelan (Jul 14)
- Re: Strange things which should never happen (was Re: RFC 1918) Patrick W. Gilmore (Jul 15)
- Message not available
- Re: Strange things which should never happen (was Re: RFC 1918) Patrick W. Gilmore (Jul 16)