RE: snmpget and snmpwalk return corrupt string instead of hex string when MAC address starts with non zero

Also loading and specifying the IP-MIB did not change the result until RFC1213-MIB was removed
It is most interesting that it continues to look in the RFC1213-MIB even when removed....

snmpwalk -Dinit_mib -c community server IP-MIB::ipNetToMediaPhysAddress.443
No log handling enabled - turning on stderr logging
registered debug token init_mib, 1
init_mib: Seen MIBDIRS: Looking in '/me/.snmp/mibs:/usr/local/net-snmp/5.5/share/snmp/mibs' for mib dirs ...
init_mib: Seen MIBS: Looking in 'SNMPv2-MIB:RFC1213-MIB:SNMP-VIEW-BASED-ACM-MIB:SNMP-COMMUNITY-MIB' for mib files ...
init_mib: Seen PREFIX: Looking in '.1.3.6.1.2.1' for prefix ...
RFC1213-MIB::ipNetToMediaPhysAddress.index.x.x.x.x = Hex-STRING: 00 A0 B3 CB D0 E0

# mv RFC1213-MIB.txt ../mibsremoved
snmpwalk -Dinit_mib -c community server IP-MIB::ipNetToMediaPhysAddress.443
No log handling enabled - turning on stderr logging
registered debug token init_mib, 1
init_mib: Seen MIBDIRS: Looking in '/me/.snmp/mibs:/usr/local/net-snmp/5.5/share/snmp/mibs' for mib dirs ...
init_mib: Seen MIBS: Looking in 'SNMPv2-MIB:RFC1213-MIB:SNMP-VIEW-BASED-ACM-MIB:SNMP-COMMUNITY-MIB' for mib files ...
init_mib: Seen PREFIX: Looking in '.1.3.6.1.2.1' for prefix ...
IP-MIB::ipNetToMediaPhysAddress.index.x.x.x.x = STRING: 0:a0:b3:cb:d0:e0



-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Dave Shield
Sent: Thursday, July 15, 2010 10:16 AM
To: Randall C Grimshaw
Cc: Fulko Hew; [email protected]
Subject: Re: snmpget and snmpwalk return corrupt string instead of hex string when MAC address starts with non zero

On 15 July 2010 14:58, Randall C Grimshaw <[email protected]> wrote:
> And still when I remove RFC1213-MIB it knows the index is outdated...???

Outdated rather than missing?
That implies that there is an index file somewhere....
   (Maybe under /var/net-snmp?)
The debug flag '-Dmibindex' might help here.


Another thing to try - what happens if you explicitly load the IP-MIB?

Either
        snmpwalk -m +IP-MIB .....
or
        snmpwalk  ....  IP-MIB::ipNetToMediaPhysAddress

Maybe this MIB isn't part of the default list.

Do you have a file snmp.conf  (note - *not* snmpd.conf) somewhere?
Maybe in ~/.snmp or /usr/local/net-snmp/5.5/share/snmp/
   or  /usr/local/net-snmp/5.5/etc   ?

The debug flag '-Dinit_mib' will show the list of MIBs that is being loaded
automatically.

Dave

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