SUMMARY: STEP 1: Problem using 1 Gb ethernet card between 2 SunFire

From: Claude Charest (charest@Canr.Hydro.Qc.Ca)
Date: Wed Dec 18 2002 - 10:32:20 EST


Bonjour,

~~~~~~~~~~~~~~~~~~~ Thanks ~~~~~~~~~~~~~~~~~~~
First, thanks to: Benoit Audet, Jason Heiss, Martin Hepwort, Tim Chipman.

~~~~~~~~~~~~~~~~~~~ My question ~~~~~~~~~~~~~~~~~~~
I have resolved PARTIALLY my problem. Now, host "mega" use the Gb
ethernet card to communicate with host "watt".

What I want to do next is to access any host on the "110" network from
any host on the "100" network, using by the 1 Gb ethernet card!!!

Presently if I traceroute from "mega" a host on the other network, it
use the long old way (it do not pass by the Gb ethernet card).

I tried to add routes on mega and watt without success...
> mega# traceroute watt
> traceroute: Warning: Multiple interfaces found; using xxx.xxx.100.8 @ eri0
> traceroute to watt (xxx.xxx.110.8), 30 hops max, 40 byte packets
> 1 cisco1 (xxx.xxx.100.97) 1.484 ms 3.349 ms 1.430 ms
> 2 10.1.125.81 (10.1.125.81) 1.402 ms 1.315 ms 2.073 ms
> 3 10.1.125.210 (10.1.125.210) 41.815 ms 31.808 ms 24.640 ms
> 4 watt (xxx.xxx.110.8) 30.559 ms 28.728 ms 68.268 ms
> mega# traceroute watt-ge
> traceroute: Warning: Multiple interfaces found; using 192.168.1.8 @ ge0
> traceroute to watt-ge (192.168.1.9), 30 hops max, 40 byte packets
> 1 watt-ge (192.168.1.9) 0.273 ms 0.128 ms 0.156 ms
> mega#

Can you help me? Of course, I will summarize.

~~~~~~~~~~~~~~~~~~~ My partial summary ~~~~~~~~~~~~~~~~~~~
What I do with your help:

1- add the folowing entries in /etc/hosts on the 2 SunFires
> # Private network
> # ---------------
> 192.168.1.8 mega-ge
> 192.168.1.9 watt-ge

2- On those SunFires add the file /etc/hostname.ge0 with:
> mega# cat /etc/hostname.ge0
> mega-ge
> watt# cat /etc/hostname.ge0
> watt-ge

3- Start the card on each SunFire:
> mega# ifconfig ge0 plumb
> mega# ifconfig ge0 up
> mega# ifconfig ge0 inet 192.168.1.8 netmask 255.255.255.0 broadcast + up
> watt# ifconfig ge0 plumb
> watt# ifconfig ge0 up
> watt# ifconfig ge0 inet 192.168.1.9 netmask 255.255.255.0 broadcast + up

And now the 1 Gb ethernet card is working, BUT between those 2 hosts ONLY.

X> mega# traceroute watt
X> traceroute: Warning: Multiple interfaces found; using xxx.xxx.100.8 @ eri0
X> traceroute to watt (xxx.xxx.110.8), 30 hops max, 40 byte packets
X> 1 cisco1 (xxx.xxx.100.97) 1.484 ms 3.349 ms 1.430 ms
X> 2 10.1.125.81 (10.1.125.81) 1.402 ms 1.315 ms 2.073 ms
X> 3 10.1.125.210 (10.1.125.210) 41.815 ms 31.808 ms 24.640 ms
X> 4 watt (xxx.xxx.110.8) 30.559 ms 28.728 ms 68.268 ms
X> mega# traceroute watt-ge
X> traceroute: Warning: Multiple interfaces found; using 192.168.1.8 @ ge0
X> traceroute to watt-ge (192.168.1.9), 30 hops max, 40 byte packets
X> 1 watt-ge (192.168.1.9) 0.273 ms 0.128 ms 0.156 ms
watt# traceroute mega
traceroute: Warning: Multiple interfaces found; using xxx.xxx.110.8 @ eri0
traceroute to mega (xxx.xxx.100.8), 30 hops max, 40 byte packets
 1 cisco2 (xxx.xxx.110.35) 1.738 ms 0.916 ms 0.917 ms
 2 10.1.125.209 (10.1.125.209) 1.193 ms 1.024 ms 0.971 ms
 3 10.1.125.82 (10.1.125.82) 4.421 ms 4.123 ms 2.585 ms
 4 mega (xxx.xxx.100.8) 2.849 ms 5.712 ms 9.357 ms
watt# traceroute mega-ge
traceroute: Warning: Multiple interfaces found; using 192.168.1.9 @ ge0
traceroute to mega-ge (192.168.1.8), 30 hops max, 40 byte packets
 1 mega-ge (192.168.1.8) 0.367 ms 0.139 ms 0.152 ms
watt#

Q> ~~~~~~~~~~~~~~~~~~~ My original question ~~~~~~~~~~~~~~~~~~~
Q> I have a problem configuring my network.
Q>
Q> I have two hosts "mega" and "watt". Each host is a SunFire-V880
Q> with two ethernets cards each. One card is an "eri0", the second
Q> card is "ge0". The "ge0" card is not yet configured: this is my
Q> question.
Q>
Q> Each host run Solaris 9 s9_58shwpl3 SPARC (MU1 applied).
Q>
Q> Host "mega" is on network xxx.xxx.100.
Q> Host "watt" is on network xxx.xxx.110.
Q>
Q> The networks are working BUT, I want to inter-connect those two
Q> hosts with the 1 Gb ethernet "ge0" card (optical). So I want to
Q> use the 1Gb card to connect togheter those two hosts and by the
Q> way those two networks too.
Q>
Q> So, I plug an optical fiber between those two hosts. The send
Q> optico-cable is already plugged in the received end and the same
Q> thing apply on the other cable.
Q>
Q> Can you help me configuring thoses interfaces (ge0)?
Q>
Q> On mega:
Q> hostname.eri0: mega # Working at 10 Mb on network xxx.xxx.100
Q> hostname6.eri0: <empty>
Q> hostname6.ge0: <empty>
Q> On watt:
Q> hostname.eri0: watt # Working at 10 Mb on network xxx.xxx.110
Q> hostname6.eri0: <empty>
Q> hostname6.ge0: <empty>
Q>
Q> What did I must put on the files: /etc/hostname.ge0 /etc/hosts...
Q> on each hosts??? How to configure the routes ???
Q>
Q> I will, of course, summarize.
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