it is crucial to this diagnosis that you confirm if the entire Ethernet LAN is going down or just the MAX's Ethernet interface. Leon McCalla Netrox Networking Services leon@netrox.net -----Original Message----- >>>The Max has a PRI and a Frame line with two DLCIs. On the local Ethernet is >>>a machine that queries it via SNMP every minute for traffic graphing and to >>>make sure it's responding. If it doesn't respond, I get paged. >>> >>>Occasionally, I get paged that it's down, along with everything beyond it >>>and some devices on the local Ethernet (presumably those that happen to get >>>queried while the Max is acting up). A minute later, on the monitoring >>>device's next query, everything comes back up. >>> >>>The Max always says it's been up for a while, so it didn't reset. There's >>>nothing in the Fatal Error log and Syslog shows nothing out of the >>ordinary. >>> >>>So it looks like the monitoring system lost it's mind, right? >>> >>>Right, except that usually one or both of the two Frame profiles >>>simultaneously move to different interfaces. >>> >>>So it looks like the Frame line went down, twice, right? Right, except why >>>did the Max stop responding to SNMP queries both times? >>> >>>Also, even local devices on the Ethernet are reported as down at the time, >>>which looks like the Ethernet is flaky. Except the Frame profiles move >>>around! Other profiles mey too, but I haven't tracked them so far. </PRE> <PRE> BEGIN:VCARD VERSION:2.1 N:McCalla;Leon FN:Leon McCalla ORG:Netrox;Network TITLE:Network Engineer TEL;WORK;VOICE:305-374-3031 TEL;PAGER;VOICE:305-738-0326 TEL;WORK;FAX:305-358-4114 ADR;WORK;ENCODING=QUOTED-PRINTABLE:;;100 South Biscayne Blvd=0D=0ASuite 1201;Miami;FL;33131;USA LABEL;WORK;ENCODING=QUOTED-PRINTABLE:100 South Biscayne Blvd=0D=0ASuite 1201=0D=0AMiami, FL 33131=0D=0AUSA URL: URL:<A HREF="http://www.netrox.net">http://www.netrox.net</A> EMAIL;PREF;INTERNET:leon@netrox.net REV:19971205T200541Z END:VCARD </PRE> <!--X-MsgBody-End--> <!--X-Follow-Ups--> <!--X-Follow-Ups-End--> <!--X-References--> <!--X-References-End--> <!--X-BotPNI--> <HR> <UL> <LI>Prev by Date: <STRONG><A HREF="msg11440.html">Re: (ASCEND) Getting USR Sportsters to behave...</A></STRONG> </LI> <LI>Next by Date: <STRONG><A HREF="msg11437.html">(ASCEND) Getting USR Sportsters to behave...</A></STRONG> </LI> <LI>Prev by thread: <STRONG><A HREF="msg11435.html">Re: (ASCEND) Random momentary routing failures</A></STRONG> </LI> <LI>Next by thread: <STRONG><A HREF="msg11406.html">(ASCEND) Land Attack on max's</A></STRONG> </LI> <LI>Index(es): <UL> <LI><A HREF="maillist.html#11438"><STRONG>Main</STRONG></A></LI> <LI><A HREF="thrd266.html#11438"><STRONG>Thread</STRONG></A></LI> </UL> </LI> </UL> <!--X-BotPNI-End--> <!--X-User-Footer--> <!--X-User-Footer-End--> </BODY> </HTML>