SNMP Packets Not Received Properly - Ubuntu Hardy/Debian Lenny
| Newsgroups | gmane.network.net-snmp.user |
|---|---|
| Message-ID | <20090604211140.292eb6c930850de810cf35869bff7bc4.1d34c6d138.wbe@email.secureserver.net> |
I installed Net-SNMP on windows and it works fine.
Windows Example:
C:\>snmpget -c public -v 1 192.168.1.201 1.3.6.1.4.1.2254.2.4.1.2.0
SNMPv2-SMI::enterprises.2254.2.4.1.2.0 = STRING: "F6C1000-TW-RK"
If I do the same from Ubuntu Hardy or Debain Lenny either installed by
"apt-get install snmp" or compiled by source I get this:
Debain Lenny Example:
me@serv:~$ snmpget -c public -v 1 192.168.1.201
1.3.6.1.4.1.2254.2.4.1.2.0
Timeout: No Response from 192.168.1.201.
When I sniff packets on the Linux box, I see that the packet is coming
back but for some reason snmpget isn't displaying it and thinks it's a
timeout!
Below is the sniffer data and you can see "MF6C1000-TW-RK" is the data
received back from the SNMP request. So I am getting the SNMP messages
back!
What could possibly be the problem? Why does snmpget think that nothing
is coming back?
---[ UDP ]-----------------------------------------------------------
192.168.1.200:59268(unknown) -> 192.168.1.201:161(snmp)
Version: 4 Total Lenght: 75 TTL: 64
Packet Number: 32
---[ UDP Data ]------------------------------------------------------
0- public S>1 0 0 + N
---[ UDP ]-----------------------------------------------------------
192.168.1.201:161(snmp) -> 192.168.1.200:59268(unknown)
Version: 4 Total Lenght: 85 TTL: 255
Packet Number: 33
---[ UDP Data ]------------------------------------------------------
07 public * 0 0 + N ^MF6C1000-TW-RK
---[ UDP ]-----------------------------------------------------------
192.168.1.201:137(netbios-ns) -> 255.255.255.255:137(netbios-ns)
Version: 4 Total Lenght: 78 TTL: 255
Packet Number: 34
---[ UDP Data ]------------------------------------------------------
FEEJENEFCNEOFHCOEOEJFDFECOEHEPAA
------------------------------------------------------------------------------
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