Users Guide

%RPM0-P:CP %SNMP-4-RMON_FALLING_THRESHOLD: STACKUNIT0 falling threshold alarm from
SNMP OID <oid>
%RPM0-P:CP %SNMP-4-RMON_HC_RISING_THRESHOLD: STACKUNIT0 high-capacity rising threshold
alarm from SNMP OID <oid>
Reading 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 Networking supports RFC 4001, Textual Conventions for Internet Work Addresses that denes values representing a type of
internet address. These values display for ipAddressTable objects using the snmpwalk command.
There are several UNIX SNMP commands that read data.
• Read the value of a single managed object.
snmpget -v version -c community agent-ip {identifier.instance | descriptor.instance}
• Read the value of the managed object directly below the specied object.
snmpgetnext -v version -c community agent-ip {identifier.instance | descriptor.instance}
• Read the value of many objects at once.
snmpwalk -v version -c community agent-ip {identifier.instance | descriptor.instance}
In the following example, the value “4” displays in the OID before the IP address for IPv4. For an IPv6 IP address, a value of “16”
displays.
Example of 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
Example of Reading the Value of the Next Managed Object
> 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:
Example of Reading the Value of Many Managed Objects at Once
> snmpwalk -v 2c -c mycommunity 10.16.130.148 .1.3.6.1.2.1.1
SNMPv2-MIB::sysDescr.0 = STRING: Dell Networking 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
Displaying the Ports in a VLAN using SNMP
Dell Networking OS identies VLAN interfaces using an interface index number that is displayed in the output of the show
interface vlan command.
Example of Identifying the VLAN Interface Index Number
Dell(conf)#do show interface vlan 10
Vlan 10 is down, line protocol is down
194
Simple Network Management Protocol (SNMP)