Dell Force10 supports RFC 4001,
representing a type of internet address. These values display for ipAddressTable objects using the
command.
snmpwalk
In the following figure, the value "4" displays in the OID before the IP address for IPv4.
>
snmpwalk -v 2c -c public 10.11.195.63 1.3.6.1.2.1.4.34
IP-MIB::ip.34.1.3.1.4.1.1.1.1 = INTEGER: 1107787778
IP-MIB::ip.34.1.3.1.4.2.1.1.1 = INTEGER: 1107787779
IP-MIB::ip.34.1.3.2.16.254.128.0.0.0.0.0.0.2.1.232.255.254.139.5.8 = INTEGER: 1107787778
IP-MIB::ip.34.1.4.1.4.1.1.1.1 = INTEGER: 1
IP-MIB::ip.34.1.4.1.4.2.1.1.1 = INTEGER: 1
IP-MIB::ip.34.1.4.2.16.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.1 = INTEGER: 1
There are several UNIX SNMP commands that read data:
Task
Read the value of a single managed object
as shown in
Figure
16-2.
Figure 16-2. Reading the Value of a Managed Object
> snmpget -v 2c -c mycommunity 10.11.131.161 sysUpTime.0
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (32852616) 3 days,
> snmpget -v 2c -c mycommunity 10.11.131.161 .1.3.6.1.2.1.1.3.0
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (32856932) 3 days,
Read the value of the managed object
directly below the specified object as
shown in
Figure
16-3.
Figure 16-3. Reading the Value of the Next Managed Object in the MIB
> snmpgetnext -v 2c -c mycommunity 10.11.131.161 .1.3.6.1.2.1.1.3.0
SNMPv2-MIB::sysContact.0 = STRING:
> snmpgetnext -v 2c -c mycommunity 10.11.131.161 sysContact.0
SNMPv2-MIB::sysName.0 = STRING:
Read the value of many objects at once as
shown in
Figure
16-4.
Figure 16-4. Reading the Value of Many Managed Objects at Once
>snmpwalk -v 2c -c public 10.16.130.148 .1.3.6.1.2.1.1
SNMPv2-MIB::sysDescr.0 = STRING: Dell Force10 OS
Operating System Version: 1.0
Application Software Version: E8-3-17-46
Series: I/O-Aggregator
Copyright (c) 1999-2012 by Dell Inc. All Rights Reserved.
Build Time: Sat Jul 28 03:20:24 PDT 2012
SNMPv2-MIB::sysObjectID.0 = OID: SNMPv2-SMI::enterprises.6027.1.4.2
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (77916) 0:12:59.16
SNMPv2-MIB::sysContact.0 = STRING:
SNMPv2-MIB::sysName.0 = STRING: FTOS
SNMPv2-MIB::sysLocation.0 = STRING:
SNMPv2-MIB::sysServices.0 = INTEGER: 4
>
Textual Conventions for Internet Work Addresses
Command
snmpget -v version -c community agent-ip {identifier.instance |
descriptor.instance}
snmpgetnext -v version -c community agent-ip {identifier.instance |
descriptor.instance}
snmpwalk -v version -c community agent-ip {identifier.instance |
descriptor.instance}
that defines values
19:15:26.16
19:16:09.32
Simple Network Management Protocol (SNMP) | 193