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- Newsgroups: comp.unix.aix
- Path: sparky!uunet!spool.mu.edu!yale.edu!jvnc.net!nuscc!iscyeoak
- From: iscyeoak@nuscc.nus.sg (YEO ANN KIAN)
- Subject: FDDI and RPC
- Message-ID: <1992Sep9.091116.26166@nuscc.nus.sg>
- Organization: National University of Singapore
- Date: Wed, 9 Sep 1992 09:11:16 GMT
- Lines: 87
-
-
- Re: FDDI and RPC
-
- We have a RS6000/560 running AIX 3.2.
- It has 2 ethernet interfaces (en0 & en1) and 2 FDDI interfaces (fi0 & fi1).
-
- Currently only the two ethernet interfaces en0 and en1 are enabled;
- the two FDDI interfaces fi0 and fi1 are disabled.
- We set the netmask and broadcast for all the interfaces as 255.255.255.0
- and 137.132.x.255 respectively (where x is 85, 86, 87 or 88).
-
- We would like to connect this AIX machine to a DEC5000 machine
- forming a private FDDI ring between these two machines.
- After we have connected the FDDI cables between the machines,
- we enable the fddi interfaces on both machines.
- We also set the routing table of both machines such that these two
- machines can communicate using this particular routing entry.
-
- On the AIX machine, fi0 is enable.
- Its routing table is as follows:
-
- default 137.132.86.1 UG 17 1812639 en1
- loopback localhost U 5 5415096 lo0
- 137.132.86 ibmunx U 608 17124843 en1
- 137.132.87 ibmunx U 64 2829747 en0
- decfddi ibmfddi UH 0 525 fi0 <----A
-
- After the routing table is set, both machines can telnet to each other using
- the routing entry A. NFS mounting seems to be fine between these two machines.
- But, rwall, rusers & ypwhich do not work anymore.
- ("ypwhich" hung; "ypwhich -m" worked fine; rwall and rusers simply hung)
- They were all working fine before that!
-
- We leave the fi0 enable overnight. Sometimes the following day,
- the whole AIX system hung until we have disabled fi0 (using ifconfig)
- and all things go back to normal.
- ypwhich, rwall and rusers now work.
- We suspect that it could be the RPC and NIS programs went astray after
- the fi0 has been enable (somehow).
-
- This only happens to our AIX machine.
- The other DEC5000 workstation has no such problem.
- This is rather strange.
- Appreciate if anybody can help.
-
- --
- Yeo AnnKian, Systems Programmers, DISCS, NUS, Singapore
- yeoak@iscs.nus.sg
-
-
- "netstat -i" shows:
-
- Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
- lo0 1536 <Link> 5534746 0 5534746 0 0
- lo0 1536 loopback localhost 5534746 0 5534746 0 0
- fi0* 4352 <Link> 820 0 531 0 0
- fi0* 4352 137.132.88 ibmfddi 820 0 531 0 0
- en0 1500 <Link> 5926576 322834 2828757 0 0
- en0 1500 137.132.87 ibmunx 5926576 322834 2828757 0 0
- en1 1500 <Link> 21867896 33786 19752034 1359 0
- en1 1500 137.132.86 ibmunx 21867896 33786 19752034 1359 0
- fi1* 4352 <Link> 876900 0 0 0 0
- fi1* 4352 137.132.85 137.132.85.6 876900 0 0 0 0
-
- "netstat -r" shows:
-
- Routing tables
- Destination Gateway Flags Refcnt Use Interface
- Netmasks:
- (root node)
- (0)0
- (0)0 ff00 0
- (0)0 ffff ff00 0
- (root node)
-
- Route Tree for Protocol Family 2:
- (root node)
- default 137.132.86.1 UG 17 1812639 en1
- loopback localhost U 5 5415096 lo0
- 137.132.86 ibmunx U 608 17124843 en1
- 137.132.87 ibmunx U 64 2829747 en0
- decfddi ibmfddi UH 0 525 fi0
- (root node)
-
- Route Tree for Protocol Family 6:
- (root node)
- (root node)
-