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Hate to keep arp-ing on this but...

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Hate to keep arp-ing on this but...
From: Nick Christopher <nwc@xxxxxxx>
Date: Thu, 18 Nov 1999 11:48:37 -0500
My real servers are still arping I think. All my machines are ipvs
patched, I'm using tunl0 on the real servers.
If I ping the VIP from a machine on the segment (its an innocent
bystander, not the director or a real server - an NT box in fact) and
then do an "arp -a" the Physical Address listed for the VIP is one of
the real servers not the director.

To top it all off, ifconfig on the real server that arp'ed shows:

    tunl0     Link encap:IPIP Tunnel  HWaddr
          inet addr:198.4.126.55  Mask:255.255.255.255
          UP RUNNING NOARP  MTU:1480  Metric:1

Says it's NOARP...but arp -a shows:


  198.4.126.52          00-aa-00-3c-d9-69     dynamic
  198.4.126.55          00-aa-00-3c-d9-69     dynamic

And .52 is a real server. The director is:

  198.4.126.51          00-aa-00-3c-dc-0c     dynamic

And I checked...eth0:0 on the director doesn't say NOARP....

Again my setup:
    all on a single segment
    using VS-TUN
    all machines RH 6.1 linux running 2.2.13 kernel with
ipvs-0.9.4-2.2.13 patch applied.
    real servers using dev tunl0

--
The peasants are revolting! But you I like...
       - Groucho Marx



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