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TCP-group 1992

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ICMP Redirects

We were connected to wolrd's internet through 4 or 5 NET-based routers
and we could PING to wolrd's internet nodes, is this the information
which you need ? I am a beginner in understanding TCP/IP and I don't
know if ICMP Redirects is necessary to get reply for PING (which uses
ICMP protocol) (possibly not: may be a router forwarding PING packets
and no other ICMP-s, but what reason to make such a router treating
differently Echo Request/Reply and other ICMP-s could anyone have?).
Now one (or more, possibly) of these routers are replaced by cisco.
We can send mail, but cannot ping, telnet, ftp and all of that. :-(
--... ...--   .--- -   .-.-.

Document URL : http://www.a00.de/tcpgroup/1992/msg00252.php
Ralf D. Kloth, Ludwigsburg, DE (QRQ.software). < hostmaster at a00.de > [don't send spam]
Created 2004-11-12. Last modified 2004-11-12. Your visit 2021-10-24 12:05.10. Page created in 0.018 sec.
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