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Groups > comp.os.linux.networking > #1481 > unrolled thread

Network mess

Started byLord Eldritch <lord_eldritch@yahoo.co.uk>
First post2012-06-23 13:56 +0200
Last post2012-06-26 22:01 +0200
Articles 4 — 3 participants

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  Network mess Lord Eldritch <lord_eldritch@yahoo.co.uk> - 2012-06-23 13:56 +0200
    Re: Network mess Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2012-06-23 16:15 +0200
    Re: Network mess Chris Davies <chris-usenet@roaima.co.uk> - 2012-06-23 16:00 +0100
    Re: Network mess Lord Eldritch <lord_eldritch@yahoo.co.uk> - 2012-06-26 22:01 +0200

#1481 — Network mess

FromLord Eldritch <lord_eldritch@yahoo.co.uk>
Date2012-06-23 13:56 +0200
SubjectNetwork mess
Message-ID<js4at1$15j$1@speranza.aioe.org>
We have a network with this nodes (among many more):

192.168.4.100
192.168.4.1
192.168.4.151
192.168.4.152 (router between VLANs)
192.168.5.1
192.168.4.220 (switch with VLANs)
192.168.2.100
192.168.0.100

Provided I set the routes properly, I can access (ping, ssh):

From 192.168.4.100 to 192.168.2.100
From 192.168.4.100 to 192.168.0.100
From 192.168.4.100 to 192.168.4.151

But I can't:

From 192.168.4.100 to 192.168.4.1
From 192.168.4.100 to 192.168.5.1
From 192.168.4.100 to 192.168.4.220
From 192.168.4.100 to 192.168.4.151 (but I can from 192.168.4.152. Then from 
192.168.4.151 I can't connet to 192.168.4.100).

Anyone has a hint or a tool to check what I'm missing?

Thanks in advance.

-- 
Lord Eldritch

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#1482

FromPascal Hambourg <boite-a-spam@plouf.fr.eu.org>
Date2012-06-23 16:15 +0200
Message-ID<js4j2q$p1l$1@saria.nerim.net>
In reply to#1481
Hello,

Lord Eldritch a écrit :
> We have a network with this nodes (among many more):

How is this related with Linux ?

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#1483

FromChris Davies <chris-usenet@roaima.co.uk>
Date2012-06-23 16:00 +0100
Message-ID<v82hb9xpi6.ln2@news.roaima.co.uk>
In reply to#1481
Lord Eldritch <lord_eldritch@yahoo.co.uk> wrote:
> We have a network with this nodes (among many more):
> 192.168.4.100
> 192.168.4.1
> 192.168.4.151
> 192.168.4.152 (router between VLANs)
> 192.168.5.1
> 192.168.4.220 (switch with VLANs)
> 192.168.2.100
> 192.168.0.100

How many routed networks does that cover, and using what netmasks?

> Provided I set the routes properly, I can access (ping, ssh):
> From 192.168.4.100 to 192.168.4.151 [...and others...]
> But I can't:
> From 192.168.4.100 to 192.168.4.1 [...and others...]


> Anyone has a hint or a tool to check what I'm missing?

Netmasks, routes, and VLANs. Check the netmasks first. But for us to help
you with specifics, you'll need to provide a fair amount more information
for each interface.

Chris

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#1493

FromLord Eldritch <lord_eldritch@yahoo.co.uk>
Date2012-06-26 22:01 +0200
Message-ID<jsdek1$1av$2@speranza.aioe.org>
In reply to#1481
Sorry to both of you. At the end it was a problem with the network 
interfaces I guess. We had a bond and my theory is was that one of the 
interface fell off the bond and resulted in one interface and one bond doing 
the same job (an probabably one missconfigured inside the bond).

I solved it deleting all the interfaces and creaing them one by one, 
attaching them to the MAC.

What puzzled me was the posssibility to ping some nodes of the network and 
without any problem to other networks (all going out through the bond) but 
missing it with some nodes in teh same network.
-- 
Lord Eldritch

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