Internet Connection for SGI Indy

I am configuring an SGI Indy to connect to the Internet. I have a static IP address, and the addresses of two name servers.

I have modified /etc/hosts to include the correct internet address and /etc/resolv.conf to look at the nameservers.

I have also made an entry in /etc/gateways speciying the ISP's network address and the number of hops to the nameserver.

If I try to ping somewhere in the outside world, I can resolve the address, but I get a 'network unreachable' error.

What have I forgotten to do?

cpranderiaAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

ahoffmannCommented:
You're missing the route to the outside world, see netstat -rn .
Add following:

    route add net default <IP of your gateway>

Not shure how /etc/gateways works (IMHO it should add the default route), have never seen this file on my IRIX 4.x 5.x .
Did you reboot after makeing you changes?
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
cpranderiaAuthor Commented:
Yes I did reboot after making the changes.

My understanding of 'route' is that it only manipulates the routing tables manually. It won't make a permanent change so that each time I reboot, the route to the outside world is there (I think).

As I understand it, /etc/gateways specifies the route to the outside world. (By the way, I should say I am running Irix 6.2 - sorry about not mentioning that.)

Any more ideas?
0
cpranderiaAuthor Commented:
ahoffman

I have used 'route' to add in a route to  the outside world and now I can see the outside world, resolve names, ping things etc!

Thanks! However, I still haven't figured out how you make this route permanent. When I reboot, the route is lost and I have to add it again. Do I need to make an entry in /etc/networks? Do I need to edit /etc/init.d/network?
0
Cloud Class® Course: MCSA MCSE Windows Server 2012

This course teaches how to install and configure Windows Server 2012 R2.  It is the first step on your path to becoming a Microsoft Certified Solutions Expert (MCSE).

ahoffmannCommented:
My IRIX 6.4 also has no /etc/gateways :-(
I have to configure the defaultroute on all my IRIXs manually, means that I made a startup sript in /etc/init.d which will be called at boot time.

If you won't do that, just add the defaultroute in /etc/init.d/network

Probably there is a switch anywhere to do it automatically, but I have not found it yet.

BTW, do you have some docs, man-pages, etc. for /etc/gateways?
0
cpranderiaAuthor Commented:
No, there is no man page for /etc/gateways, but look at the man page for routed. On 6.2, it is about 2/3rds of the way down the page.

By the way, /etc/init.d/networks looks frightening to me - is it as simple as adding a line with the route command?
0
ahoffmannCommented:
Don't worry about this huge sript. Just add your line at the end of the 'start') case (just before the  ;;  line).
It's as simple as the route command, same syntax, its just a good idea to prepend route by its full path.

routed (always ever I remove this anoying deamon when setting up a new computer, this is why I don't have /etc/gateways:) wants the gateway be marked passive, not external, for your purpose.

I recommend using gated instead of routed if you need this functionality. If you have a small network you don't need either, adding a static default route should be ok, especially if this is your only gateway to the world.
Ups, this implies that all other hosts also have a default route to *your* gateway (SGI).

0
ahoffmannCommented:
Thanks for grading.
So I asume that this was at least the final hint ;-))
0
cpranderiaAuthor Commented:
Thanks for your help and my pleasure! Slowly my ploy to teach myself Irix admin is being realised, but I may run out of points first!
0
cpranderiaAuthor Commented:
I have edited /etc/init.d/network and yes, it does add the route now at boot time. Thanks for the help. (Later this week I will have to go through the same exercise with Sun, HP, IBM and SCO Unix machines..... that should be fun!
0
ahoffmannCommented:
Hey, nice to see more "multi-platform admins" :)
Not that SunOS, Solaris have a command  defaultroute, HP will be the same as SGI.
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Unix OS

From novice to tech pro — start learning today.