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[lwip-devel] [bug #19580] ICMP TTL is not decremented


From: Frédéric Bernon
Subject: [lwip-devel] [bug #19580] ICMP TTL is not decremented
Date: Thu, 12 Apr 2007 01:37:34 +0000
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3

Follow-up Comment #1, bug #19580 (project lwip):

I'm not sure that a host have to decrement ttl. I'm agree for a switch or
router. I have experiment on my LAN, and when from my pc, I ping another host
(pc/windows), TTL is the same in the ECHO & ECHO REPLY.  When I ping my
router, the TTL is 128 in ECHO packet, and 64 in ECHO REPLY.

I don't have RFC here, do you have check what is the good behavior?


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