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Date Posted: 21:18:11 01/16/07 Tue
Author: Anandan
Subject: snmpget (continued)
In reply to: Anandan 's message, "Net Snmp Commands" on 22:59:39 01/15/07 Mon

Output for snmpget command by default is in Text form:
snmpget 100.100.100.3 -v1 -cpublic .1.3.6.1.2.1.4.1.0
IP-MIB::ipForwarding.0 = INTEGER: forwarding(1)

Above comes with cryptic numerical code and
the value received is 1.

To print numerically use -On
snmpget 100.100.100.3 -v1 -On -cpublic .1.3.6.1.2.1.4.1.0
.1.3.6.1.2.1.4.1.0 = INTEGER: forwarding(1)

To avoid the cryptic code and read the value directly,
snmpget 100.100.100.3 -v1 -Oe -cpublic .1.3.6.1.2.1.4.1.0
IP-MIB::ipForwarding.0 = INTEGER: 1

The -Os option displays the final identifier only
snmpget 100.100.100.3 -v1 -Os -cpublic .1.3.6.1.2.1.4.1.0
ipForwarding.0 = INTEGER: forwarding(1)

The -OS option places the name of the MIB before the identifier as in first snmpget command
snmpget 100.100.100.3 -v1 -OS -cpublic .1.3.6.1.2.1.4.1.0
IP-MIB::ipForwarding.0 = INTEGER: forwarding(1)

The -Of forces the display of the full OID:
snmpget 100.100.100.3 -v1 -Of -cpublic .1.3.6.1.2.1.4.1.0
.iso.org.dod.internet.mgmt.mib-2.ip.ipForwarding.0 = INTEGER: forwarding(1)

i) To know the program version use -V,
ii) to set the SNMP version use -v (1, 2c or 3)
iii) -d option to dump all snmp packets
snmpget 100.100.100.3 -d -v1 -Of -cpublic .1.3.6.1.2.1.4.1.0

Sending 43 bytes to 100.100.100.3
0000: 30 29 02 01 00 04 06 70 75 62 6C 69 63 A0 1C 02 0).....public...
0016: 04 6A 43 4C D0 02 01 00 02 01 00 30 0E 30 0C 06 .jCL.......0.0..
0032: 08 2B 06 01 02 01 04 01 00 05 00 .+.........


Received 44 bytes from 127.0.0.1
0000: 30 2A 02 01 00 04 06 70 75 62 6C 69 63 A2 1D 02 0*.....public...
0016: 04 6A 43 4C D0 02 01 00 02 01 00 30 0F 30 0D 06 .jCL.......0.0..
0032: 08 2B 06 01 02 01 04 01 00 02 01 01 .+..........

.iso.org.dod.internet.mgmt.mib-2.ip.ipForwarding.0 = INTEGER: forwarding(1)

iv) -r to set the number of retries
v) -t to set the timeouts.

For further options and details consul snmpcmd manpage.

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Replies:

  • snmpgetnext -- Anandan, 21:35:46 01/16/07 Tue
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