monitoring dhcp

[C. Bensend]

> I don't think you'll have much trouble getting this via SNMP. It is
> defined in the MIB on a per-scope basis, suggest you go a snmpwalk on
> the OID I gave earlier and see what you get.
>
> MIB excerpt:
>
>            scopeTable OBJECT-TYPE
>                SYNTAX  SEQUENCE OF ScopeTableEntry
>                ACCESS  read-only
>                STATUS  mandatory
>                DESCRIPTION
>                        "A list of subnets maintained by the server"
>                ::= { dhcpScope 1 }
>
>            scopeTableEntry  OBJECT-TYPE
>                SYNTAX  ScopeTableEntry
>                ACCESS  read-only
>                STATUS  mandatory
>                DESCRIPTION
> 			"This is the row corresponding to a subnet"
> 	      INDEX   { subnetAdd }
>                ::= { scopeTable 1 }
>
> 	  ScopeTableEntry ::= SEQUENCE {
> 		subnetAdd
> 			IpAddress,
>
> 		noAddInUse
> 			Counter,
>
> 		noAddFree
> 			Counter,
>
> 		noPendingOffers
> 			Counter
>
> 		}
>            subnetAdd  OBJECT-TYPE
>                SYNTAX  IpAddress
>                ACCESS  read-only
>                STATUS  mandatory
>                DESCRIPTION
> 			"This is the subnet address "
>                ::= { scopeTableEntry 1 }
>
>
>            noAddInUse  OBJECT-TYPE
>      	  SYNTAX  Counter
>      	  ACCESS  read-only
>      	  STATUS  mandatory
>            DESCRIPTION
> 		   "This is the no. of addresses in use"
>      		::= { scopeTableEntry 2 }
>
>            noAddFree  OBJECT-TYPE
>      	  SYNTAX  Counter
>      	  ACCESS  read-only
>      	  STATUS  mandatory
>            DESCRIPTION
> 		   "This is the no. of addresses that are free "
>      		::= { scopeTableEntry 3 }
>
>            noPendingOffers  OBJECT-TYPE
>      	  SYNTAX  Counter
>      	  ACCESS  read-only
>      	  STATUS  mandatory
>            DESCRIPTION
> 		   "This is the no. of addresses that are currently in the offer
> 		   state"
>      		::= { scopeTableEntry 4 }
>
>            END

Thank you, Giles!  This doesn't help me (I don't have SNMP enabled
on my hosts and don't plan on doing so), but it's good to know
for the future...

That's certainly better than what is exposed elsewhere...

Benny


-- 
"Cats land on their feet. Toast lands peanut butter side down. A cat
with toast strapped to its back will hover above the ground in a state
of quantum indecision."           -- Unknown


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