Messages in this thread |  | | | Date | Tue, 8 Sep 1998 18:54:35 -0500 (CDT) | | From | Steve Tate <> | | Subject | Net routing hosed on 2.1.120? |
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Ok, I've been trying to find the right combination of kernel version and settings that will run on my new SMP (4 processor) machine -- I almost had it with 2.1.117, but managed to find a way to crash it fairly reliably. So now I'm back trying 2.1.120 again -- it won't crash like 117, but networking doesn't work either. Here are a couple of captured sessions. First, under 2.1.117 (yes, I know that I won't be able to route outside my subnet, but let's do this a piece at a time, ok?):
========================== 2.1.117 capture ======================= [root@hydra /root]# ifconfig lo Link encap:Local Loopback inet addr:127.0.0.1 Bcast:127.255.255.255 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:3924 Metric:1 RX packets:6 errors:0 dropped:0 overruns:0 TX packets:0 errors:588 dropped:6 overruns:0 eth0 Link encap:Ethernet HWaddr 00:10:4B:36:9C:C0 inet addr:129.120.36.9 Bcast:129.120.36.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1431 errors:0 dropped:0 overruns:0 TX packets:0 errors:0 dropped:4 overruns:0 Interrupt:5 Base address:0xfcc0
[root@hydra /root]# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 129.120.36.0 * 255.255.255.0 U 0 0 0 eth0 [root@hydra /root]# ping -c3 129.120.36.250 PING 129.120.36.250 (129.120.36.250): 56 data bytes 64 bytes from 129.120.36.250: icmp_seq=0 ttl=255 time=1.0 ms 64 bytes from 129.120.36.250: icmp_seq=1 ttl=255 time=1.2 ms 64 bytes from 129.120.36.250: icmp_seq=2 ttl=255 time=1.0 ms
--- 129.120.36.250 ping statistics --- 3 packets transmitted, 3 packets received, 0% packet loss round-trip min/avg/max = 1.0/1.0/1.2 ms ===================================================================== Nice, and exactly what I'd expect. But here's what happens with 2.1.120: ========================== 2.1.117 capture ======================= [root@hydra /root]# ifconfig lo Link encap:Local Loopback inet addr:127.0.0.1 Bcast:127.255.255.255 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:3924 Metric:1 RX packets:7 errors:0 dropped:0 overruns:0 TX packets:0 errors:788 dropped:7 overruns:0 eth0 Link encap:Ethernet HWaddr 00:10:4B:36:9C:C0 inet addr:129.120.36.9 Bcast:129.120.36.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 TX packets:0 errors:0 dropped:0 overruns:0 Interrupt:5 Base address:0xfcc0
[root@hydra /root]# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 129.120.36.0 * 255.255.255.0 U 0 0 0 eth0 [root@hydra /root]# ping -c3 129.120.36.250 PING 129.120.36.250 (129.120.36.250): 56 data bytes
--- 129.120.36.250 ping statistics --- 3 packets transmitted, 0 packets received, 100% packet loss ===================================================================== So the network card is up, a route for the 129.120.36.0 net is there, but I can't ping the router on that subnet any more.
I've been playing with so many different kernel versions all day long that I'm beginning to go cross-eyed, and I'm thinking I'm missing something really obvious here. But from the above listings, it just looks like the basic networking isn't working right for me in 2.1.120.
Any ideas?
--
Steve Tate srt@cs.unt.edu
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