netscreen troubleshooting /snmp

netscreen troubleshooting /snmp
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Subject Author Date
netscreen troubleshooting /snmp fjr.colorado 11-28-2005
Posted by on November 28, 2005, 6:36 pm
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What is recommended to use to extract detailed traffic info via SNMP
from a Netscreen firewall? I'm using SolarWinds and I don't get
traffic stats like rx/tx errors, collisions etc. even though I have
this enabled in the management interface.

I am trying to troubleshooting why our internet access/traffic through
the NS100 (I suspect something is going on on the firewall) is so
slow, but I"m so far at a loss.

Checked duplex settings, looked at errors on switch interfaces, etc.
etc.

One strange thing I see is a HIGH utilization on the untrusted port
that is patched into an internet/public switch (solid activity light
on) but on the internet feed to it (a 10Mb Cisco double T1 setup) -
activity just flashes once in a while (so it appears that traffic is
fairly light). So therefore, why all the traffic on my untrusted
Netscreen interface?

These are the questions that keep me up at night. Help.

Thanks


Posted by Menno Duursma on December 2, 2005, 6:49 pm
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On Mon, 28 Nov 2005 15:36:49 -0800, fjr.colorado wrote:

> What is recommended to use to extract detailed traffic info via SNMP
> from a Netscreen firewall?

The "snmpget" utility from the net-snmp package.

> I'm using SolarWinds and I don't get traffic stats like rx/tx errors,
> collisions etc. even though I have this enabled in the management
> interface.

You could script up somthing with MRTG or RRDTool to poll the MIB for that
stuff and automaticaly graph the statistics. Or configure an NMS - such as
JFFNMS , OpenNMS or NINO - for it. (Google for that...)

--
-Menno.


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