[SUMMARY] RE: Static routes, not!

From: Lee, Hank <hank.lee_at_vta.org>
Date: Tue, 29 Feb 2000 16:22:52 -0800

Apparently, this topic has been covered before. I was directed to the
archives.
Thanks also, to Leonardo Mosquera and Loucks Guy, who sent me the answers.
I'm
patching the kernel and will reboot the machine tonight.

Thanks all for the very quick response!



-----Original Message-----
>
> Hello,
>
> I'm not sure if this has been covered before, but...
>
> I'm having the weirdest problems with static routes. It doesn't happen
> often. When it happens, it can really mess things up. The static route on
> one of my machines changed earlier today, and the machine stopped allowing
> people to login. The machine is an alpha 4100, 2GB RAM, 1 NIC, running
Tru64
> UNIX 4.0f (jumbo pak 1). It's an SAP test machine. It's set up so that
the
> machine gets a static route on boot up. It's not running routed or gated.
> Here are relevant segments of config files:
>
> /etc/routes:
> default 22.22.22.1
>
> /etc/rc.config:
> ROUTED="no"
> ROUTED_FLAGS=
> ROUTER="no"
> GATED="no"
> GATED_FLAGS=""
>
> And here's what I see for default route when I ran netstat -r:
>
> default rocdcr1-e0-0.vta.o UGS 0 24 tu0
>
> I also see a bunch of dynamic routes to the PC's that are connected to
this
> machine, but I don't care much about those.
>
> This morning, when I was fixing the static route problem, the default
route
> looked like the following:
>
> default rocdcr3.vta.org UGMS 1 6788 tu0
>
> I looked up the man pages and the "M" means modified by redirect.
>
> What I've managed to gather from our network guys is that there was some
> sort of "network event" in one of our buildings, around the time the
static
> route changed. It leads me to believe that the machine was trying to
respond
> to connected users, but was not able to reach them. It decided it needs to
> take another route to reach the connected users.
>
> If this is indeed what had happened, how do I prevent it from happening
> again? Is there something I can do to make static routes truly
unchangeable?
> Thanks, I will summarize.

-- 
Leonardo Mosquera Bernal
System Manager
Internet Telecom
Received on Wed Mar 01 2000 - 00:24:00 NZDT

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