>> MIB - Management Information Base

>> Table: biboBrrpOperTable - (.1.3.6.1.4.1.272.4.40.1.1)

Description: An entry in the biboBrrpOperTable containing the operational characteristics of a virtual router. On a BRRP router, a given virtual router is identified by a combination of the IF index and VRID. Rows in the table cannot be modified unless the value of `biboBrrpOperAdminState' is `disabled' and the `biboBrrpOperState' has transitioned to `initialize'.

biboBrrpOperTable
OIDNameTypeAccess
.1OperVrIdINTEGERRW
.2VirtIfIndexINTEGERRW
.3OperMasterIpAddrIpAddressRW
.4OperStateENUMR
.5OperAdminStateENUMRW
.6OperPriorityINTEGERRW
.7OperAuthTypeENUMRW
.8OperAuthKeyOCTET STRINGRW
.9OperAdvertisementIntervalINTEGERRW
.10OperMasterDownRetriesINTEGERRW
.11OperPreemptModeENUMRW
.12OperVirtualRouterUpTimeTimeTicksR

OperVrId
This object contains the Virtual Router Identifier (VRID).
VirtIfIndex
The index of the virtual interface used by the virtual router.
OperMasterIpAddr
The master router's real (primary) IP address. This is

the IP address listed as the source in BRRP advertisement

last received by this virtual router.
OperState
The current state of the virtual router. This object has

four defined values:

- `initialize', which indicates that all the

virtual router is waiting for a startup event.

- `backup', which indicates the virtual router is

monitoring the availability of the master router.

- `master', which indicates that the virtual router

is forwarding packets for IP addresses that are

associated with this router.

Setting the `brrpOperAdminState' object (below) initiates

transitions in the value of this object.
Enumerations:
  • initialize (1)
  • backup (2)
  • master (3)
OperAdminState
This object will enable/disable the virtual router

function. Setting the value to `up', will transition

the state of the virtual router from `initialize' to `backup'

or `master', depending on the value of `brrpOperPriority'.

Setting the value to `down', will transition  the

router from `master' or `backup' to `initialize'. State

transitions may not be immediate; they sometimes depend on

other factors, such as the interface (IF) state.

The `brrpOperAdminState' object must be set to `down' prior

to modifying the other read-only objects in the conceptual

row. The value of the `brrpOperRowStatus' object (below)

must be `active', signifying that the conceptual row

is valid (i.e., the objects are correctly set),

in order for this object to be set to `up'.
Enumerations:
  • up (1)
  • down (2)
OperPriority
This object specifies the priority to be used for the

virtual router master election process. Higher values imply

higher priority.

A priority of '0', although not settable, is sent by

the master router to indicate that this router has ceased

to participate in BRRP and a backup virtual router should

transition  to become a new master.

A priority of 255 is used for the router that owns the

associated IP address(es).
OperAuthType
Authentication type used for BRRP protocol exchanges between

virtual routers. This value of this object is the same for a

given ifIndex.

New enumerations to this list can only be added via a new

RFC on the standards track.
Enumerations:
  • noAuthentication (1)
  • simpleTextPassword (2)
  • ipAuthenticationHeader (3)
OperAuthKey
The Authentication Key. This object is set according to

the value of the 'brrpOperAuthType' object

('simpleTextPassword' or 'ipAuthenticationHeader'). If the

length of the value is less than 16 octets, the agent will

left adjust and zero fill to 16 octets. The value of this

object is the same for a given ifIndex.

When read, biboBrrpOperAuthKey always returns an Octet String

of length zero.
OperAdvertisementInterval
The time interval, in seconds, between sending

advertisement messages. Only the master router sends

BRRP advertisements.
OperMasterDownRetries
Calculation of the MasterDownInterval from RFC 2338:

Skew_Time = ((256 - Priority) / 256)

MasterDownInterval = (MasterDownRetries

* AdvertisementInterval)

+ Skew_Time
OperPreemptMode
Controls whether a higher priority virtual router will

preempt a lower priority master.
Enumerations:
  • false (1)
  • true (2)
OperVirtualRouterUpTime
This is the value of the `sysUpTime' object when this

virtual router (i.e., the `brrpOperState') transitioned

out of `initialized'.


Copyright ©2003 by BinTec Access Networks GmbH