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Old 04-18-2002, 11:55 AM   #1
Registered: Oct 2001
Location: Columbus, Ohio
Distribution: all.. but mainly SuSe--- looks like it changing to Red Hat
Posts: 119

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snmp / php


Could some one please direct me in the right direction.....

I am trying to do an snmpwalk on an snmp device.. I have set up the community and IP correctly.. threw PHP

I can do a manually by doing the fallowing:

snmpwalk public

from a terminal,,, and I do responses.... (verifyin the device, IP & community are correct)

if I use the fallowing code threw apache..

$a = snmpwalk("", "public", "");
for ($i=0; $i < count($a); $i++) {
echo $a[$i];

and call this threw a browser

I get the fallowing:

and it seem as the page times out... but its very quick...almost as soon as I call the page.

Other PHP pages work fine...
I'm running on a Dell PIII Duel 500 w/512Meg Ram running SuSE 7.3 SMP

I have compiled net-snmp
using ethereal.. I can see the snmp gets & get-next ... as well as the responses...

Anyone have any idea... ??

Old 03-28-2003, 04:08 AM   #2
LQ Newbie
Registered: Mar 2003
Location: San Ramon, CA
Distribution: Slackware
Posts: 20

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At least with Slackware 8.1, the stock php installation isn't compiled with SNMP support. You may have to recompile php with snmp support.

Additionally, it seems the older versions of php require you to use an the older ucd-snmp releases to work properly. This may not be true for the current version of php.

Old 04-21-2003, 09:31 AM   #3
Registered: Oct 2001
Location: Columbus, Ohio
Distribution: all.. but mainly SuSe--- looks like it changing to Red Hat
Posts: 119

Original Poster
Rep: Reputation: 15
To follow up on this post.. in case anyone eles is haveing trouble with this also...

php was build with the udp-snmp links... and the on shiped with RH 8.0 is now net-snmp...

the problem has been fixed in the RH 9.0 release of RH.
though now theirs another issue... you can to snmpwalk on the RH 9.0 box... it kills the deamon...


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