Checking the IP Connectivity (ping)

Use ping(1M) to check that you can reach a remote host, by typing:

prompt# /usr/sbin/ping -r remote_host

Follow the status of the connection in the file /var/opt/SUNWconn/ppp.log. If the LCP negotiation fails with the message "PPP error on ipdptp1: Negotiation of mandatory options failed", the IP addresses used for the interfaces at each end of the link may not be coherent.