You're only seeing one hop because it _is_ only one hop to the other IP address. That all by itself tells you it's taking the right route. If you _really_ want to be sure, run tcpdump on the Linux system: tcpdump -i hsi0
and see if the ICMP packets are arriving via that interface. Mark Post -----Original Message----- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of Fuhrmann Anna Sent: Wednesday, April 26, 2006 7:33 AM To: LINUX-390@VM.MARIST.EDU Subject: AW: simple hipersocket communication between LPARS, pls help -snip- But how can I find out - well, just what you say: that we don't get routed in some suspicios manner? Tracrte does not give me any usable hints. tracerte 192.168.57.134 (OSA intf) output: CS V1R4: Traceroute to 192.168.57.134 (192.168.57.134): 1 192.168.57.134 (192.168.57.134) 5 ms 4 ms 2 ms *** tracerte 192.168.60.4 (hipersocket intf) output: CS V1R4: Traceroute to 192.168.60.4 (192.168.60.4): 1 192.168.60.4 (192.168.60.4) 4 ms 3 ms 2 ms *** One hop, that's all. ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390