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Re: Cannot ping to IP in public network

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx, spr@xxxxxxxxxxxxxxx, allanlee@xxxxxxxxxxx
Subject: Re: Cannot ping to IP in public network
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Fri, 20 Apr 2001 07:47:20 -0400
Steve wrote:
> 
> At 12:28 20/04/2001 +0800, you wrote:
> >         2)  I donno what went wrong,I have already done the followings, why
> >I still cannot ping to the public network(184.20.199.21)?This is a valid IP
> >when I ping from within the public network:
> 
> I have suffered from the same problem with my NAT cluster.
> I run version 0.9.15 on my director with a NAT cluster with three
> real-servers. 

I know this is cold comfort, but it works here (with a 2.4.3 kernel
director). traceroute
from the real-servers shows that the pings are going through the
director. I expect ping works on the 2.2.x directors too, as
one of the tests that the configure script uses when setting
up the LVS is to ping between nodes and count hops.

The ipvs code doesn't affect ping packets, so I would expect
the problem is a function of your networking. 

Can you make the director just a nat box and see if you
can ping to the client, howabout if the director is just
forwarding? Is the client allow to ping addresses on the
real-server network?

Joe


-- 
Joseph Mack PhD, Senior Systems Engineer, Lockheed Martin
contractor to the National Environmental Supercomputer Center, 
mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA


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