>Thanks for the reply on SLIP.  I have configured PPPD with IPv4
>between 2 peers.  I can ping between the 2 peers using PPPD.  Now
>I am trying to set up PPPD between two peers using IPv6. I can
>start the PPPD daemon on the 1st PC, but it gives the follow
>ing error on the IPv6 address when I start the PPPD daemon on the
>second PC. Could you suggest on this error?
>
>Error:
>/netbsd: in6_update_ifa: prefixlen must be 128 when dstaddr is specified
>pppd[222]:sif6addr: ioctl(SIOCAIFADDR_IN6): Invalid argument
>pppd[222]:siftaddr failed

	i guess you are using netbsd 1.5 /usr/sbin/pppd on top of KAME-patched
	kernel.  please use /usr/local/v6/sbin/pppd if you are on KAME-patched
	kernel.

itojun