> On one of my machines running redhat 6.0, I have started to experience
> some network problems. The machine has two ethernet cards one to
> connect the local network and the other to an ADSL bridge. I have no
> problems with the local network, but on outgoing traffic I am experiencing
> delays and total loss of packets. Incoming traffic seems to work fine also.
>
> I am using DHCP, and have a caching-only nameserver set up but I experience
> the problem regardless, here is the output from ping. I don't know that
> this is the problem but it doesn't look right. I was looking for ways or
> tools to try and analyze this. Thanks for any help. jlm
>
> $ ping 205.152.0.20
> PING 205.152.0.20 (205.152.0.20) from 213.71.215.54 : 56 data bytes
> 64 bytes from 205.152.0.20: icmp_seq=0 ttl=251 time=1013.9 ms
> wrong data byte #8 should be 0x42 but was 0x41
> 41 6c 56 38 e 57 6 0 8 9 a b c d e f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c
>1d 1e 1f
> 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f
This looks familiar :+)
The easy problem is a minor bug in ping. It can be ignored, or
just update the netkit-base package. The serious problem is
a bug in some Rawhide kernels that produced 1 second or even multi-second
delays in packets. The workaround is to restart the network script.
The solution is to upgrade to a recent kernel.
Bob T.
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