Traps & MIBs

Interfaces Group (RFC 1573)

The evolution of the Interfaces Group of MIB II (RFC 1573 converted to

SNMP v1) consists of an object indicating the number of interfaces supported by the DSL router and an interface table containing an entry for each interface. Refer to Table C-3 for the objects supported for the DSL and Ethernet interfaces.

The Interface Stack Group table does not apply, but is required for MIB compliance. One row will be displayed with ifStackHigherLayer=0 and ifStackLowerLayer=0. The ifStackStatus=2 (enumerated value for notInService) and is read-only. The Interface Test Table and the Generic Receive Address Table are not supported.

Table C-3. Interfaces Group Objects (1 of 2)

Object

Description

Setting/Contents

ifNumber

Supported as specified in

Specifies the number of interfaces for this unit in the ifTable.

(interfaces 1)

the Evolution MIB.

 

 

 

 

ifIndex

Provides the index into the

Remote ifIndex (DSL router ifIndex) and Interface:

(ifEntry 1)

interface table (ifTable)

H 0 ± DSL router.

 

and to other MIB tables.

 

 

 

ifIndex calculation:

H 1 ± Ethernet interface.

 

 

 

(Slot # * 1000 + local port)

H 2 ± DSL network interface.

 

* 1000 + remote ifIndex

H noSuchName ± Unsupported index entered.

 

 

 

 

 

ifDescr

Supplies text for each

Text Strings for each interface:

(ifEntry 2)

interface:

H ªDSL Interface; Card Type (IDSL, RADSL, SDSL); S/W Release:

 

 

 

H DSL interface

yy.yy.yy; H/W Release:zzz; [CCA part number]º

 

 

H Ethernet interface

H ªEthernet Interface; Card Type (frame format of Type II or SNAP);

 

 

S/W Release: yy.yy.yy; H/W Release:zzz; [CCA part number]º

 

 

 

ifType

Identifies the interface type

Supported values:

(ifEntry 3)

based on the physical/link

H radsl(95) ± Used for RADSL.

 

protocol(s).

 

 

 

 

H sdsl( 96 ) ± Used for SDSL.

 

 

H iso88023Csmacd(6) ± Used for Ethernet.

 

 

H idsl( 154 ) ± Used for IDSL.

 

 

 

ifMtu

Identifies the largest

Integer.

(ifEntry 4)

datagram that can be sent

 

 

or received on an

 

 

interface.

 

 

 

 

ifSpeed (ifEntry 5)

Provides the interface's current bandwidth in bits per second (bps).

HDSL interface ± The downstream rate of the DSL interface once trained, or zero if not trained.

HEthernet interface ± 10240000 bps (for 10 MB operation) or 102400000 (for 100 MB operation).

ifPhysAddress

Identifies the physical

H DSL interface ± The MAC address when operating in 1483

(ifEntry 6)

address for the interface.

 

Bridged mode.

 

 

H

Ethernet interface ± The MAC address.

 

 

 

 

ifAdminStatus

Supported as read-only.

H

up(1) ± Always displays as up.

(ifEntry 7)

 

 

 

 

 

 

 

6371-A2-GB20-10

August 2000

C-5

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Paradyne Routers manual Interfaces Group RFC, IfEntry, Yy.yy.yy H/W Releasezzz CCA part numberº