I have noticed the same problem after upgrading to NV 5.0 (aix 4.2).
We are missing snmp traps and I know the routers are sending them.
To find out what the problem is we are about to install a sniffer.

---
Mikael Fältman (mifal AT wmdata DOT com)
Network Services
WM-data Infrastruktur AB, BOX 164, S-295 22 BROMOLLA

> -----Original Message-----
> From: Jeanie Cham [SMTP:yccham AT NCS.COM DOT SG]
> Sent: den 6 mars 1999 02:29
> To:   NV-L AT UCSBVM.UCSB DOT EDU
> Subject:      Missing Alerts
> Importance:   High
> 
> Hi,
> 
> I've a major problem...I'm monitoring my network using Netview 5.1,
> Framework 3.1.1 on AIX 4.2.1 (I've just upgraded from Netview 5.0).
> 
> There're days when I don't get any link down alerts even though there's
> a link failure.  This'll last a few days before the alerts start coming
> in as per normal again.  I don't think this is due to the upgrade as
> this has happened a number of times even before the upgrade.
> 
> Can someone tell me what could have gone wrong?  I'm using a E30 with
> 256MB RAM.  Doing "vmstat", on average I get 50-70% idle.
> 
> Thanks!
> 
> cheers,
> Jeanie