Dell Networking S6000 Uživatelský manuál stáhnout pdf (Strana 804)

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Deriving Interface Indices

Dell Networking OS assigns an interface number to each (configured or unconfigured) physical and

logical interface.

The interface index is a binary number with bits that indicate the slot number, port number, interface

type, and card type of the interface. Dell Networking OS converts this binary index number to decimal,

and displays it in the output of the show interface command.

Starting from the least significant bit (LSB):

• the first 14 bits represent the card type

• the next 4 bits represent the interface type

• the next 7 bits represent the port number

• the next 5 bits represent the slot number

• the next 1 bit is 0 for a physical interface and 1 for a logical interface

• the next 1 bit is unused

For example, the index 72925242 is 100010110001100000000111010 in binary. The binary interface index

for TeGigabitEthernet 1/21 of a 48-port 10/100/1000Base-T line card with RJ-45 interface. Notice that

the physical/logical bit and the final, unused bit are not given. The interface is physical, so represent this

type of interface by a 0 bit, and the unused bit is always 0. These 2 bits are not given because they are the

most significant bits, and leading zeros are often omitted.

To display the interface number, use the following command.

• Display the interface index number.

EXEC Privilege mode

show interface

Example of Deriving the Interface Index Number

To view the system image on Flash Partition A, use the chSysSwInPartitionAImgVers object or, to view the

system image on Flash Partition B, use the chSysSwInPartitionBImgVers object.

Table 69. MIB Objects for Viewing the System Image on Flash Partitions

MIB Object OID Description MIB

chSysSwInPartitionAImg

Vers

1.3.6.1.4.1.6027.3.10.1.2.

8.1.11

List the version string of

the system image in

Flash Partition A.

Chassis MIB

chSysSwInPartitionBImg

Vers

1.3.6.1.4.1.6027.3.10.1.2.

8.1.12

List the version string of

the system image in

Flash Partition B.

Chassis MIB

The system image can also be retrieved by performing an SNMP walk on the following OID: MIB Object is

chSysSwModuleTable and the OID is 1.3.6.1.4.1.6027.3.10.1.2.8.

Dell#show interface Tegig 1/21

TenGigabitEthernet 1/21 is up, line protocol is up

804

Simple Network Management Protocol (SNMP)

1 2 ... 799 800 801 802 803 804 805 806 807 808 809 ... 985 986

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