From: shen jing <jshen@cad.zju.edu.cn>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Why 'ping' only succeed in one direction?
Date: Thu, 31 May 2001 06:13:59 +0000 [thread overview]
Message-ID: <marc-lartc-99129608720365@msgid-missing> (raw)
In-Reply-To: <marc-lartc-99114800203883@msgid-missing>
>
But the problem I met is ICMP echo request / reply is sent
between the two host successfully without while
program ping shows nothing. I don't think it is required by
a host to find out host name when trying to accept ICMP
message ( perhaps SUN implement in this way )
>
> Maybe because DNS rev (IP -> HOSTNAME).
> I don't know the details...but my experi
> ence is...
> When you use ip to connect another compu
> ter, it need to check if this ip is ille
> gal and check if this ip is from the rig
> ht one.
> So linux default is set to find the host
> name from HOSTS -> DNS -> NIS
> If you add IP to /etc/hosts, then it can
> find the hostname from the IP...and need
> n't DNS.
>
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prev parent reply other threads:[~2001-05-31 6:13 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-29 14:53 [LARTC] Why 'ping' only succeed in one direction? shen jing
2001-05-30 3:04 ` Krepper Guillermo
2001-05-30 8:40 ` shen jing
2001-05-30 13:54 ` Krepper Guillermo
2001-05-30 20:36 ` Ramin Alidousti
2001-05-30 20:44 ` Ramin Alidousti
2001-05-31 1:56 ` Rodrigo Goya
2001-05-31 2:18 ` Mike Fedyk
2001-05-31 2:25 ` Mike Fedyk
2001-05-31 2:50 ` shen jing
2001-05-31 3:21 ` Juergen
2001-05-31 6:13 ` shen jing [this message]
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