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Date:      Sat, 07 Aug 1999 19:30:23 +0200
From:      Roelof Osinga <roelof@nisser.com>
To:        Alejandro Ramirez <ales@megared.net.mx>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: ARP message flood, bug?
Message-ID:  <37AC6D2F.2E09CC34@nisser.com>
References:  <37AB6A4D.2AAC926A@nisser.com> <001701bee066$a9d754a0$fca3f9cf@megared.net.mx> <37AC3FE4.A5FE43B0@nisser.com> <015a01bee0e5$3ee0b900$fca3f9cf@megared.net.mx>

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Alejandro Ramirez wrote:
> 
> Hi,
> 
>     You shouldnt disable ARP Protocol this is a bad idea, in the case that
> you want to have an static route, you use the "route add" command see "man
> route".

Not the whole protocol, just the one IP address. However, your reply
made me look again at the data. So I noticed it wasn't the aliased NIC
that was giving me trouble, but its gateway:

Aug  5 03:00:02 nisser /kernel: arp: 00:90:6d:e4:30:00 attempts to modify
perman
ent entry for 194.134.128.1 on ep1
Aug  5 03:00:33 nisser last message repeated 23 times
Aug  5 03:02:34 nisser last message repeated 137 times
...

nisser:/home/www/Slak$ arp -an
? (194.134.128.1) at ff:ff:ff:ff:ff:ff permanent
? (194.134.130.170) at 0:60:97:e4:98:db permanent
? (212.187.0.1) at 0:90:6d:e4:30:0
? (212.187.0.55) at (incomplete)
...

Maybe I'm misinterpreting the data but it looks to me like it wants
to associate the MAC of 212.187.0.1 with the IP address 194.134.128.1.
Which is weird to say the least since the 194.134.128.1 is the old
gateway and 212.187.0.1 the one for the new network. These are two
quite seperate backbones even though I reach both of them through
the same CATV link.

As to the routing thing. Defining the routes is not the problem. Getting
FreeBSD to follow instructions is. E.g. the last thing I tried was:

#defaultrouter="194.134.128.1"
defaultrouter="212.187.0.1"
#static_routes="euronet"
#route_euronet="194.134.0.0 194.134.128.1"

Which reputedly should tell it to route all 194.134 traffic to that
gateway. Unfortunately a traceroute tells otherwise. Tried manual
commands with different metrics, same effect. Bit of a bummer in
that some services are still located on the old backbone and limited
in "outside" accessibility.

Roelof

-- 
Home is where the (@) http://eboa.com/ is.


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