[j-nsp] Router suspected of inducing dropped TCP connections.

Thompson, Jerrold ThompsonJB at mgmmirage.net
Mon Jan 21 14:59:58 EST 2008 

I have an m10i on v8.0 code providing gateway services for several L2
segments. Ours systems folks asked me to look into a possible routing
issue.

So focusing on a couple of servers, we noticed one server pair dropped
connection several times a day. The servers are attached L2 via a switch
to a gig interface and they use the interface for its gateway.

Out of my 50+ Juniper m10i routers, this is the only one logging these
messages.  Sweeping the pathway between the servers dropping the
connection (one m320 and three m10i's) this is the only router
reflecting an anomaly, so I'm trying to flush out root cause of this
message before digging deeper into the problem.

I'm looking for any ideas on what type of failure mode would cause these
messages to log around 6,000 of these messages every day.
Configuration, code, external device inducing the messages, etc.

The server dropping connections is off of ifidx=71.  


Thanks for any help!

Jerry

admin at DATACENTER1> show log l2ald | last 
Jan 21 11:35:53 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:35:56 l2ald_rtm_handler:451 RT handler: plen=30 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:36:01 l2ald_rtm_handler:451 RT handler: plen=30 type=2 op=add
af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:36:04 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:36:07 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:36:09 l2ald_rtm_handler:451 RT handler: plen=30 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:36:12 l2ald_rtm_handler:451 RT handler: plen=64 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x018e
Jan 21 11:36:14 l2ald_rtm_handler:451 RT handler: plen=30 type=2 op=add
af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:36:15 l2ald_rtm_handler:451 RT handler: plen=64 type=2 op=add
af=2 ifidx=0 cflags=0x0000 flags=0x018e
Jan 21 11:36:20 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=74 cflags=0x0000 flags=0x0180
Jan 21 11:36:23 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:36:25 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=74 cflags=0x0000 flags=0x0180
Jan 21 11:36:28 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:36:30 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=74 cflags=0x0000 flags=0x0180
Jan 21 11:36:33 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:37:05 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:37:09 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:38:06 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:38:09 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:39:07 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:39:08 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=0 cflags=0x0000 flags=0x0000
Jan 21 11:39:12 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:39:38 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=71 cflags=0x0000 flags=0x0180
Jan 21 11:39:42 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:39:58 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=71 cflags=0x0000 flags=0x0180
Jan 21 11:40:02 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:40:08 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:40:12 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:40:32 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=71 cflags=0x0000 flags=0x0180
Jan 21 11:40:32 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=71 cflags=0x0000 flags=0x0180
Jan 21 11:40:36 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:40:36 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:40:49 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:40:52 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:40:54 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=74 cflags=0x0000 flags=0x0180
Jan 21 11:40:58 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:41:03 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=74 cflags=0x0000 flags=0x0180
Jan 21 11:41:07 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:41:09 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:41:13 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:42:10 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:42:12 l2ald_rtm_handler:451 RT handler: plen=64 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x018e
Jan 21 11:42:13 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:42:15 l2ald_rtm_handler:451 RT handler: plen=64 type=2 op=add
af=2 ifidx=0 cflags=0x0000 flags=0x018e
Jan 21 11:42:50 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=74 cflags=0x0000 flags=0x0180
Jan 21 11:42:53 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:42:59 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=74 cflags=0x0000 flags=0x0180
Jan 21 11:43:03 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:43:12 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:43:16 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:43:20 l2ald_rtm_handler:451 RT handler: plen=64 type=2 op=add
af=2 ifidx=71 cflags=0x0000 flags=0x018e
Jan 21 11:44:12 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:44:16 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:44:39 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=71 cflags=0x0000 flags=0x0180
Jan 21 11:44:43 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:44:59 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=71 cflags=0x0000 flags=0x0180
Jan 21 11:45:02 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:45:13 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:45:17 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:45:33 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=71 cflags=0x0000 flags=0x0180
Jan 21 11:45:33 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=71 cflags=0x0000 flags=0x0180
Jan 21 11:45:37 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:45:37 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:45:49 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:45:52 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:46:14 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:46:18 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:46:19 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=74 cflags=0x0000 flags=0x0180
Jan 21 11:46:23 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:46:28 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=74 cflags=0x0000 flags=0x0180
Jan 21 11:46:32 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180
Jan 21 11:47:15 l2ald_rtm_handler:451 RT handler: plen=32 type=2 op=add
af=2 ifidx=73 cflags=0x0000 flags=0x0180
Jan 21 11:47:18 l2ald_rtm_handler:451 RT handler: plen=32 type=2
op=delete af=2 ifidx=0 cflags=0x0000 flags=0x0180

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