Gentoo Archives: gentoo-user

From: Michael Schreckenbauer <grimlog@×××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Network problem with linux server
Date: Mon, 07 Nov 2011 14:03:57
Message-Id: 3949287.s6Ud4YuVmi@pc
In Reply to: Re: [gentoo-user] Network problem with linux server by Massimiliano Ziccardi
1 Am Montag, 7. November 2011, 14:35:46 schrieb Massimiliano Ziccardi:
2 > > seems to be a really tricky one...
3 > > What does
4 > > tracepath 195.75.145.33
5 > > give?
6 >
7 > Here is the output:
8 >
9 > 1: 195.75.145.33 (195.75.145.33) 0.074ms pmtu
10 > 16436
11 > 1: 195.75.145.33 (195.75.145.33) 0.039ms reached
12 > 1: 195.75.145.33 (195.75.145.33) 0.028ms reached
13 >
14 > I tried shutting down localhost with:
15 >
16 > ifconfig lo down.
17 >
18 > Now I can't ping 195.75.145.33 anymore (as all the other 195.75.145.xx
19 > addresses).
20 >
21 > And now tracepath gives:
22 >
23 > 1: send failed
24 > Resume: pmtu 65535
25 >
26 > So, for some reason, seems it always uses the 'lo' device...
27 >
28 > Any idea?
29
30 I noticed lo:0 is on the same net and has the same netmask as eth0.
31 Where does lo:0 come from? Is it needed?
32 I have no idea, if this is the problem or even related, just wondering.
33
34 > Regards,
35 > Massimiliano
36
37 Best,
38 Michael

Replies

Subject Author
Re: [gentoo-user] Network problem with linux server Massimiliano Ziccardi <massimiliano.ziccardi@×××××.com>