Christopher N . Harrell wrote:
>
> We're using skip to create a secure connection between two machines over
> the internet. The connection works fine with small packets, but corrupts
> packets as they get close to the mtu of the outbound interface. (lowering
> the mtu on the outbound interface decreases the maximum size of functional
> packets accordingly)
>
> We've tried this both over the internet and on the same lan with exactly
> the same results. Here is a ping from one host to the other with varying
> packet sizes:
>
> dali# /sbin/ping -c1 207.69.192.4
> PING 207.69.192.4 (207.69.192.4): 56 data bytes
> 64 bytes from 207.69.192.4: icmp_seq=0 ttl=255 time=116.032 ms
>
> --- 207.69.192.4 ping statistics ---
> 1 packets transmitted, 1 packets received, 0% packet loss
> round-trip min/avg/max/stddev = 116.032/116.032/116.032/0.000 ms
>
> dali# /sbin/ping -c1 -s 1300 207.69.192.4
> PING 207.69.192.4 (207.69.192.4): 1300 data bytes
> 1308 bytes from 207.69.192.4: icmp_seq=0 ttl=255 time=153.790 ms
>
> --- 207.69.192.4 ping statistics ---
> 1 packets transmitted, 1 packets received, 0% packet loss
> round-trip min/avg/max/stddev = 153.790/153.790/153.790/0.000 ms
>
> dali# /sbin/ping -c1 -s 1500 207.69.192.4
> PING 207.69.192.4 (207.69.192.4): 1500 data bytes
> 1344 bytes from 207.69.192.4: icmp_seq=0 ttl=255 time=158.773 ms
> wrong data byte #1336 should be 0x38 but was 0x0
> cp:6d cc 2d 36 3a 6a c 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 >
> I'm sure we've overlooking something, but we've been mulling over this for days now
> without any luck at all. Any insight would be appreciated.
If it makes you feel any better, I get the exact same results from
my skip tunnel. =(
Dan Riley
