Sean
On Tue, Aug 31, 1999 at 12:55:44PM -0700, Ronald Cole wrote:
> My problems seemed to come with me switching over to RedHat 6.0. I'm
> running their 2.2.5-22 kernel. I didn't have these problems when I
> was running Slackware 3.4 with a 2.0.36 kernel.
>
> When saturating the connection (a V.90 connection,say by downloading
> a news active file), if I issue a ping, I get lots of messages about
> byte 8 not being correct:
>
> $ ping iwvisp.com
> PING iwvisp.com (207.141.203.5) from 207.141.203.99 : 56 data bytes
> 64 bytes from 207.141.203.5: icmp_seq=0 ttl=198 time=676.7 ms
> 64 bytes from 207.141.203.5: icmp_seq=1 ttl=198 time=199.8 ms
> 64 bytes from 207.141.203.5: icmp_seq=2 ttl=198 time=1430.4 ms
> wrong data byte #8 should be 0x53 but was 0x52
> 52 81 bc 37 6e 94 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
> 64 bytes from 207.141.203.5: icmp_seq=3 ttl=198 time=1280.1 ms
> wrong data byte #8 should be 0x54 but was 0x53
> 53 81 bc 37 81 95 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
> 64 bytes from 207.141.203.5: icmp_seq=4 ttl=198 time=1459.5 ms
> wrong data byte #8 should be 0x55 but was 0x54
> 54 81 bc 37 2f 97 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
> 64 bytes from 207.141.203.5: icmp_seq=5 ttl=198 time=1149.4 ms
> wrong data byte #8 should be 0x56 but was 0x55
> 55 81 bc 37 79 99 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
> 64 bytes from 207.141.203.5: icmp_seq=6 ttl=198 time=309.6 ms
> 64 bytes from 207.141.203.5: icmp_seq=7 ttl=198 time=444.2 ms
> 64 bytes from 207.141.203.5: icmp_seq=8 ttl=198 time=150.2 ms
> 64 bytes from 207.141.203.5: icmp_seq=9 ttl=198 time=140.2 ms
>
> I don't believe that this is a flow control problem, since it's always
> byte 8. Also, "ifconfig ppp0" doesn't report any errors. I don't get this
> problem when the only thing going over the connection is a ping.
>
> Secondly, if I start two simultaneous ftp downloads, the ppp
> connection will appear to hang. I can see by the TX light on my modem
> that packets are being sent, and by the RX light that packets are
> coming back, but "ifconfig ppp0" reports RX and frame errors on every
> packet.
>
> I can completely reproduce these problems. How do I begin to debug
> them?
>
> --
> Forte International, P.O. Box 1412, Ridgecrest, CA 93556-1412
> Ronald Cole <ronald@forte-intl.com> Phone: (760) 499-9142
> President, CEO Fax: (760) 499-9152
> My PGP fingerprint: 15 6E C7 91 5F AF 17 C4 24 93 CB 6B EB 38 B5 E5
>
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