>> MIB - Management Information Base

>> Table: ipDnsTable - (.1.3.6.1.4.1.272.4.5.20.16.1)

Description: Contains either DNS routing-information or DNS-caching- information, depending on the values of the ip-address and interface-index fields

ipDnsTable
OIDNameTypeAccess
.1NameDisplayStringRW
.2IpaddrIpAddressRW
.3IfIndexINTEGERRW
.4ResponseENUMRW
.6TtlINTEGERRW
.5StaticENUMD
.7LruINTEGERRW
.8HashINTEGERR
.9RefCountINTEGERRW

Name
DNS-name
Ipaddr
The ip-address, 0.0.0.0 for a not resolved or wildcard entry
IfIndex
The index of the interface (from the pppTable) whose nameserver

should be requested for this entry. If this field contains a 

negative value, the static nameservers are queried.
Response
Response for queries matching this entry
Enumerations:
  • ignore (1)
  • negative (2)
  • positive (3)
Ttl
The remaining time-to-live of the entry in seconds. 

This Field is only used, if the type of the entry is dynamic.
Static
Determines, whether the entry is static (yes), dynamic(no) 

(ttl is decremented) or marked for discard (delete)
Enumerations:
  • no (1)
  • yes (2)
  • delete (3)
Lru
This Field is only used, if the type of the entry is dynamic.

It is an internal value determining the order, in whch dynamic 

entries are discarded in case of a full dns table 

(last-recently-used). Internally, it represents the number 

of seconds elapsed since 01.01.1970.
Hash
The hash value for the name field. This value is

re-compted at boot time and may change due to

changing hash algorithms.
RefCount
Counts the number of times the entry has been referenced. 

For immediate entries it resembles the number of times

a question could be answered due to this entry, for entries

pointing to another nameserver, the number of times, the

associated interface has been tried to pull up.


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