[Wylug-help] Networking Trouble

Jim Jackson jj at comp.leeds.ac.uk
Wed Jun 2 17:11:09 BST 2004


Roger,

On Tue, 1 Jun 2004, Roger Greenwood wrote:

> am having trouble setting up my local network - any pointers appreciated :-
>
> machine 1 - server - 192.168.0.1
>
> machine 2 - slave - 192.168.0.2
>
> std. ethernet through hub (10Meg). Both machines running SuSE 9.1
>
> WAS working at first - set up using yast, broke due to online download (should
> have left it alone). WAS able to transfer between machines, now can't even
> ping each other. Slave settings untouched, server settings well screwed. Have
> now abandoned yast and tried some simple stuff. At one point the server had
> both eth0 and eth1 set up but only one (eth1) made the lights flash on the
> hub, so that is the one that I left on.

Are you sure the slave hasn't altered.
Output from both machines from "/sbin/route -n" would be useful as well.
I'm assuming 192.168.0.3 doesn't exist on the network, and so the last
ping output is fine.

jim

>
> SuSE 9.1 seems to be very different from previous and lots of online help is
> not very useful/superceded.
>
> Thanks,
>
> Roger Greenwood.
>
> These are some stuff from the server - any comments appreciated :-
>
> rogerg at server:~> /sbin/ifconfig
> eth1      Link encap:Ethernet  HWaddr 00:C0:DF:0A:14:E3
>           inet addr:192.168.0.1  Bcast:192.168.0.255  Mask:255.255.255.0
>           inet6 addr: fe80::2c0:dfff:fe0a:14e3/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:489 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:364 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:1 txqueuelen:1000
>           RX bytes:37180 (36.3 Kb)  TX bytes:26086 (25.4 Kb)
>           Interrupt:5 Base address:0x1000
>
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           inet6 addr: ::1/128 Scope:Host
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:2936 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:2936 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:489089 (477.6 Kb)  TX bytes:489089 (477.6 Kb)
>
>
> server:/usr2 # netstat -r
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
> 192.168.0.0     *               255.255.255.0   U         0 0          0 eth1
> loopback        *               255.0.0.0       U         0 0          0 lo
> default         server.local    0.0.0.0         UG        0 0          0 eth1
>
>
> rogerg at server:~> ping 192.168.0.2
> PING 192.168.0.2 (192.168.0.2) 56(84) bytes of data.
>
> --- 192.168.0.2 ping statistics ---
> 10 packets transmitted, 0 received, 100% packet loss, time 8997ms
>
> rogerg at server:~> ping 192.168.0.1
> PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
> 64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=0.224 ms
> 64 bytes from 192.168.0.1: icmp_seq=2 ttl=64 time=0.186 ms
> 64 bytes from 192.168.0.1: icmp_seq=3 ttl=64 time=0.183 ms
> 64 bytes from 192.168.0.1: icmp_seq=4 ttl=64 time=0.184 ms
>
> --- 192.168.0.1 ping statistics ---
> 4 packets transmitted, 4 received, 0% packet loss, time 2999ms
> rtt min/avg/max/mdev = 0.183/0.194/0.224/0.019 ms
>
> rogerg at server:~> ping 192.168.0.3
> PING 192.168.0.3 (192.168.0.3) 56(84) bytes of data.
> >From 192.168.0.1: icmp_seq=2 Destination Host Unreachable
> >From 192.168.0.1 icmp_seq=2 Destination Host Unreachable
> >From 192.168.0.1 icmp_seq=3 Destination Host Unreachable
> >From 192.168.0.1 icmp_seq=4 Destination Host Unreachable
> >From 192.168.0.1 icmp_seq=6 Destination Host Unreachable
> >From 192.168.0.1 icmp_seq=7 Destination Host Unreachable
> >From 192.168.0.1 icmp_seq=8 Destination Host Unreachable
> >From 192.168.0.1 icmp_seq=10 Destination Host Unreachable
> >From 192.168.0.1 icmp_seq=11 Destination Host Unreachable
> >From 192.168.0.1 icmp_seq=12 Destination Host Unreachable
>
>
> --
> The trouble with doing something right the first time is that no one
> appreciates how difficult it was.
>
>
>
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