[mrtg] Need help with --if-filter=f option
greg.volk at edwardjones.com
Thu Jun 3 14:41:23 CEST 2010
Here are some examples around how I use the --if-filter option:
./cfgmaker --if-filter='$default && $if_is_ethernet' public at router
...will only build configs for ethernet (type 6,7,26,62,69,117)
./cfgmaker --if-filter='$if_type==136 || $if_type==23' public at router
...will only build configs for interfaces of type 136 (layer 3 vlan) or
type 23 (ppp).
./cfgmaker --if-filter='$default && $if_is_wan' public at router
...will build configs for WAN (type 22,30,32,39,44,46) interfaces only.
I have found that not all devices properly support the ifType values, so
you may have to do some snmpwalk'ing of the interfaces table if you're
not getting what you expect.
For a full list of numeric ifType values, open up cfgmaker with an
editor and search for "sub IfType". That should take you to a list of
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From: mrtg-bounces+greg.volk=edwardjones.com at lists.oetiker.ch
[mailto:mrtg-bounces+greg.volk=edwardjones.com at lists.oetiker.ch] On
Behalf Of Asif Rajan
Sent: Thursday, June 03, 2010 4:08 AM
To: mrtg at lists.oetiker.ch
Subject: [mrtg] Need help with --if-filter=f option
We need to pole multiple routers but we require to stop few
interfaces from being polled. cfgmaker script help shows that
--if-filter=f option can be used to attain the required result. But we
need help to implement it. Please throw in your replies :)
Asif Rajan | Engineer Data Core
Mobilink - Data Core Networks
T +92 21 3402 1855 EXT5797 |C +92 302 822 5933
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