Re: Question about MIBS and explanations

On 30/01/07, Achim Stumpf <[email protected]> wrote:
> $ snmpwalk 192.168.222.71 -c test -v1 1.3.6.1.4.1.9.9.106.1.2.1.1.11
> SNMPv2-SMI::enterprises.9.9.106.1.2.1.1.11.1.1 = IpAddress: 192.168.222.70
> SNMPv2-SMI::enterprises.9.9.106.1.2.1.1.11.1.2 = IpAddress: 192.168.222.80

As you've already discovered, .1.3.6.1.4.1.9.9.106.1.2.1.1.11
is the OID of CISCO-HSRP-MIB::cHsrpGrpVirtualIpAddr

cHsrpGrpVirtualIpAddr OBJECT-TYPE
        SYNTAX     IpAddress
        MAX-ACCESS read-create
        STATUS     current
        DESCRIPTION
                "This is the primary virtual IP address used by this group.
                If this address is configured (i.e a non zero ip address),
                this value is used. Otherwise, the agent will attempt to
                discover the virtual address through a discovery process
                (which scans the hello messages)."
        DEFVAL { '00000000'H }
        ::= { cHsrpGrpEntry 11 }


But take a look at the definition of the parent (cHsrpGrpEntry):

cHsrpGrpEntry OBJECT-TYPE
        SYNTAX     CHsrpGrpEntry
        MAX-ACCESS not-accessible
        STATUS     current
        DESCRIPTION
                "Information about an HSRP group. Management applications
                use cHsrpGrpRowStatus to control entry modification, creation
                and deletion...."
        INDEX { ifIndex, cHsrpGrpNumber }
        ::= { cHsrpGrpTable 1 }


As Jiang suggests, these values are the two indexes into this table.
One indicates the interface that a particular entry refers to,
the other the group on that interface.
  See the definition of cHsrpGrpNumber fro more details.

Dave

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