Thank you Dave for your reply.
I found why snmpwalk on 'interfaces' so slow in linux.
Maybe many users already know it !
agent/mibgroup/mibII/interfaces.c
Interface_Scan_Init() has some code to disallow reloading interfaces
gettimeofday ( &et, ( struct timezone * ) 0 ); /* get time-of-day */
if ( et.tv_sec < LastLoad + MINLOADFREQ ) { /* only reload so often */
ifnetaddr = ifnetaddr_list; /* initialize pointer */
return;
}
LastLoad = et.tv_sec;
MINLOADFREQ is 0 by default.
so i've set
#define MINLOADFREQ 5
and result is nice snmpwalk !
I think this tip may give some help to (net-snmp) newbie like me.
thanks
Sangsu Baek
----- Original Message -----
From: "Sangsu Baek" <[EMAIL PROTECTED]>
To: "uclinux-dev" <[EMAIL PROTECTED]>; <[email protected]>
Sent: Friday, November 24, 2006 3:05 PM
Subject: get interfaces OID takes a second
> [I'm sorry, This mail was cross posted]
>
> Hi. I'm using net-snmp 5.2.1 on IXP425 ( kernel ver 2.6.12-uc0 ).
> snmp agent works good. but when i get information on 'interfaces' ,
> it works but very slow response ( about 1 sec per each OID) or even timeout.
> Other mib OID ( system, ip, tcp, udp ) works great .
> Below is my snmpd.conf
>
> thanks
>
> 2006.11.24
> Sangsu Baek
>
>
>
> snmpd.conf
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> com2sec rwAccess default private
> com2sec roAccess default public
>
> group rwGroup v1 rwAccess
> group rwGroup v2c rwAccess
> group rwGroup usm rwAccess
> group roGroup v1 roAccess
> group roGroup v2c roAccess
> group roGroup usm roAccess
>
> view all included .1 80
>
> access roGroup "" any noauth exact all none none
> access rwGroup "" any noauth exact all all none
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> //
>
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