Be careful about your network if you use VIPA. If you have a TPF machine on the network, there is a PTF that must be applied to it and Cisco routers must be up to date. We tried and brought down the entire subnet. The router froze and TPF crashed when we brought up MPROUTE on VM.
Regards, Richard Schuh -----Original Message----- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Marcy Cortes Sent: Thursday, May 11, 2006 8:57 AM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: TCPIP Failover Or - use a VIPA address on your TCPIP stack - easy easy. Marcy Cortes "This message may contain confidential and/or privileged information. If you are not the addressee or authorized to receive this for the addressee, you must not use, copy, disclose, or take any action based on this message or any information herein. If you have received this message in error, please advise the sender immediately by reply e-mail and delete this message. Thank you for your cooperation." -----Original Message----- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Lee Stewart Sent: Thursday, May 11, 2006 8:51 AM To: IBMVM@LISTSERV.UARK.EDU Subject: [IBMVM] TCPIP Failover Hi again, We have a client that desires to have automatic failover capability for the VM TCP/IP stack. We have today, a connection to TCPIP by each of two OSAs, each with a separate IP address. We also have a virtual switch, also connected to the two OSAs, and two Vswitch controllers. The Vswitch connections failover great. But using the TCPIP stack, you loose your connection, then have to manually reconnect using the other IP address. The TCPIP stack also has a VCTC connection to an old VSE machine, therefore also has the proxyarp option. I thought, apparently wrongly, that I could just hook TCPIP to the Vswitch via a different home address. But that doesn't work as it tries to register both old TCPIP addresses both via the OSA connection and also via the Vswitch (tied to the same OSAs). Needless to say, not much worked... Would the best choice be to drop the two direct OSA connections and only connect via the Vswitch? Or??? Lee -- Lee Stewart, Senior SE Sirius Enterprise Systems Group Phone: (303) 798-2954 Fax: (720) 228-2321 [EMAIL PROTECTED] www.siriuscom.com