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Date: Mon, 7 Nov 2011 20:59:42 +0700
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Subject: Re: [gentoo-user] Network problem with linux server
From: Pandu Poluan <pandu@poluan.info>
To: gentoo-user@lists.gentoo.org
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--0015174489fc72014f04b1257708
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On Nov 7, 2011 8:38 PM, "Massimiliano Ziccardi" <
massimiliano.ziccardi@gmail.com> wrote:
>>
>> seems to be a really tricky one...
>> What does
>> tracepath 195.75.145.33
>> give?
>
>
> Here is the output:
>
> 1: 195.75.145.33 (195.75.145.33) 0.074ms pmtu
16436
> 1: 195.75.145.33 (195.75.145.33) 0.039ms
reached
> 1: 195.75.145.33 (195.75.145.33) 0.028ms
reached
>
> I tried shutting down localhost with:
>
> ifconfig lo down.
>
> Now I can't ping 195.75.145.33 anymore (as all the other 195.75.145.xx
addresses).
>
> And now tracepath gives:
>
> 1: send failed
> Resume: pmtu 65535
>
> So, for some reason, seems it always uses the 'lo' device...
>
> Any idea?
>
I've been deploying multi-interface Linux gateways since 2008, so I'll try.
Please post:
- output of ip rule sh
- output of ip route sh table $t, where $t is *all* table names/numbers you
get from the first output ( "... lookup $t" )
Rgds,
--0015174489fc72014f04b1257708
Content-Type: text/html; charset=UTF-8
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<p><br>
On Nov 7, 2011 8:38 PM, "Massimiliano Ziccardi" <<a href=3D"ma=
ilto:massimiliano.ziccardi@gmail.com">massimiliano.ziccardi@gmail.com</a>&g=
t; wrote:<br>
>><br>
>> seems to be a really tricky one...<br>
>> What does<br>
>> tracepath 195.75.145.33<br>
>> give?<br>
><br>
><br>
> Here is the output:<br>
><br>
> =C2=A01: =C2=A0195.75.145.33 (195.75.145.33) =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A00.074ms p=
mtu 16436<br>
> =C2=A01: =C2=A0195.75.145.33 (195.75.145.33) =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A00.039ms r=
eached<br>
> =C2=A01: =C2=A0195.75.145.33 (195.75.145.33) =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A00.028ms r=
eached<br>
><br>
> I tried shutting down localhost with:<br>
><br>
> ifconfig lo down.<br>
><br>
> Now I can't ping 195.75.145.33 anymore (as all the other 195.75.14=
5.xx addresses).<br>
><br>
> And now tracepath gives:<br>
><br>
> 1: =C2=A0send failed<br>
> =C2=A0 =C2=A0 =C2=A0Resume: pmtu 65535<br>
><br>
> So, for some reason, seems it always uses the 'lo' device...<b=
r>
><br>
> Any idea?<br>
></p>
<p>I've been deploying multi-interface Linux gateways since 2008, so I&=
#39;ll try.</p>
<p>Please post:</p>
<p>- output of ip rule sh<br>
- output of ip route sh table $t, where $t is *all* table names/numbers you=
get from the first output ( "... lookup $t" )</p>
<p>Rgds,<br>
</p>
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