Hi Mike,

you wrote in <9601171950.AA08595@cthulhu>:
> I am running an i386 -current system; my PPP link runs on my 14.4kbps modem.

NetBSD-current (950115 sources) on i386, PPP, 28.8kpbs modem.
 
> 512 byte packets: 100% failure

tron@colwyn:~>ping -s 1400 devnull
PING devnull.owl.de (193.174.12.242): 1400 data bytes
1408 bytes from 193.174.12.242: icmp_seq=0 ttl=255 time=714.695 ms
1408 bytes from 193.174.12.242: icmp_seq=1 ttl=255 time=730.281 ms
1408 bytes from 193.174.12.242: icmp_seq=2 ttl=255 time=740.273 ms
1408 bytes from 193.174.12.242: icmp_seq=3 ttl=255 time=750.330 ms
1408 bytes from 193.174.12.242: icmp_seq=4 ttl=255 time=750.317 ms
1408 bytes from 193.174.12.242: icmp_seq=5 ttl=255 time=740.297 ms
1408 bytes from 193.174.12.242: icmp_seq=6 ttl=255 time=760.253 ms
^C
--- devnull.owl.de ping statistics ---
8 packets transmitted, 7 packets received, 12% packet loss
round-trip min/avg/max = 714.695/740.920/760.253 ms

I can't see a problem here.

-- 
Matthias Scheler
tron@lyssa.owl.de