Dell Force10 MXL Blade MXL 10/40GbE Switch IO Module Configuration Guide - Page 522
Read Managed Object Values, Command, Reading the Value of a Managed Object
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www.dell.com | support.dell.com Read Managed Object Values You may only retrieve (read) managed object values if your management station is a member of the same community as the SNMP agent. Dell Force10 supports RFC 4001, Textual Conventions for Internet Work Addresses that defines values representing a type of internet address. These values display for ipAddressTable objects using the snmpwalk command. 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 Command Read the value of a single managed object snmpget -v version -c community agent-ip {identifier.instance | as shown in Figure 30-3. descriptor.instance} Figure 30-3. 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, 19:15:26.16 > 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, 19:16:09.32 Read the value of the managed object directly below the specified object as shown in Figure 30-4. snmpgetnext -v version -c community agent-ip {identifier.instance | descriptor.instance} Figure 30-4. 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 snmpwalk -v version -c community agent-ip {identifier.instance | shown in Figure 30-5. descriptor.instance} 520 | Simple Network Management Protocol (SNMP)
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