Cabletron Systems MMAC-Plus 9E423-24 Reference Manual

MMAC-Plus

™

Module Local Management

9E423-24 Module Specific Appendix

DRAFT

9031671

Appendix

9E423-24 Module Specific
Information

Introduction

This appendix contains local management information that is specific to the 9E423-24
Ethernet Switch Module.

The 9E423-24 Ethernet Switch Module is a 25-port switching module with:

• 24 front panel Ethernet ports (2 RJ-71 Telco connectors)

• 1 Internal Network Bus (INB) backplane port

Each front-panel port of the 9E423-24 can be configured to operate in the Full Duplex
mode. This configuration allows each port to provide a full 20 Mbps of bandwidth.

Modifying Fields and User Privileges

To modify fields on this module, you must have read-write or super-user privileges. If
you have read-only privileges, you can view information; however, you cannot
modify any fields. For more information about user privileges and community names,
see the MMAC-Plus Module Local Management User’s Guide.

1

9E423-24 Module Specific Information

Module Interface Codes

The 9E423-24 Ethernet Switch Module has 29 interfaces. The table below lists the
identifying number, name, and description of each interface.

Table 1. 9E423-24 Module Interface Codes

Interface

Number

1 SMB1 1 Mbps System Management Bus

2 SMB10 10 Mbps System Management Bus

3 HOST

4 LOCAL

5 INB Internal Network Bus

6 ENET1 Ethernet Front Panel Port 1

7 ENET2 Ethernet Front Panel Port 2

8 ENET3 Ethernet Front Panel Port 3

9 ENET4 Ethernet Front Panel Port 4

10 ENET5 Ethernet Front Panel Port 5

11 ENET6 Ethernet Front Panel Port 6

12 ENET7 Ethernet Front Panel Port 7

13 ENET8 Ethernet Front Panel Port 8

Interface

Name

Interface

Description

2

14 ENET9 Ethernet Front Panel Port 9

15 ENET10 Ethernet Front Panel Port 10

16 ENET11 Ethernet Front Panel Port 11

17 ENET12 Ethernet Front Panel Port 12

18 ENET13 Ethernet Front Panel Port 13

19 ENET14 Ethernet Front Panel Port 14

20 ENET15 Ethernet Front Panel Port 15

21 ENET16 Ethernet Front Panel Port 16

22 ENET17 Ethernet Front Panel Port 17

23 ENET18 Ethernet Front Panel Port 18

Appendix

Table 1. 9E423-24 Module Interface Codes

Interface

Number

Interface

Name

Interface

Description

24 ENET19 Ethernet Front Panel Port 19

25 ENET20 Ethernet Front Panel Port 20

26 ENET21 Ethernet Front Panel Port 21

27 ENET22 Ethernet Front Panel Port 22

28 ENET23 Ethernet Front Panel Port 23

29 ENET24 Ethernet Front Panel Port 24

Use the numbers listed in Table 1 to configure the module’s default interface (see the
General Configuration Screen).

3

9E423-24 Module Specific Information

Full Duplex Configuration Screen

The 9E423-24 Full Duplex Configuration Screen displays the port number, operation
mode, link status, and port status of the module’s 24 ports (12 ports at a time).

MMAC-Plus Local Management

Full Duplex Configuration

Module Name: 9E423-24 Firmware Revision: 01.XX.08
Slot Number: 12 BOOTPROM Revision: 01.00.01

PORT# OPERATION MODE LINK STATUS PORT STATUS

1 STANDARD ENET No Link ENABLED
2 STANDARD ENET No Link ENABLED
3 STANDARD ENET No Link ENABLED
4 STANDARD ENET No Link ENABLED
5 STANDARD ENET No Link ENABLED
6 STANDARD ENET No Link ENABLED
7 STANDARD ENET No Link ENABLED
8 STANDARD ENET No Link ENABLED
9 STANDARD ENET No Link ENABLED
10 STANDARD ENET No Link ENABLED
11 STANDARD ENET No Link ENABLED
12 STANDARD ENET No Link ENABLED

SAVE [ 13-24 ] SET ALL PORTS: FULL EXIT RETURN

Figure 1. 9E423-24 Full Duplex Configuration Screen

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Full Duplex Configuration Screen Fields

OPERATION MODE (Modifiable) - This field lets you determine whether the

specified port will transmit and receive data separately or simultaneously. You can set
this field to one of the following values:

• STANDARD ENET - The port can either transmit data or receive data, but not both
at the same time. Therefore, the port is running at 10 Mbps (this is the default).

• FULL DUPLEX - The port can transmit and receive data at the same time.
Therefore, the port is running at 20 Mbps.

To set one Ethernet port to Full Duplex (for example, port 1):

1. Use the arrow keys to highlight STANDARD ENET in the Operation Mode field
(to the right of port 1).

Appendix

2. Press the Space Bar until FULL DUPLEX appears in the field.

3. Use the arrow keys to highlight the SAVE command on the bottom line of the
screen.

4. Press the Return key.

To set all 24 Ethernet ports to Full Duplex:

1. Use the arrow keys to highlight the SET ALL PORTS field.

2. Press the Space Bar until you see FULL .

3. Use the arrow keys to highlight the SAVE command on the bottom line of the
screen.

4. Press the Return key.

LINK STATUS (Read-only) - Indicates whether there is a physical connection from

this port to another 10 Base-T device. One of the following values appears:

• Link - There is a 10 Base-T link signal present; there is a valid physical connection
from this port to another 10 Base-T device.

• No Link - There is no 10 Base-T link signal present; there is no valid physical
connection from this port to another 10 Base-T device.

5

9E423-24 Module Specific Information

PORT STATUS (Read-only) - Indicates whether the port has been turned on or off

administratively. You will see one of the following values:

• ENABLED - The port is turned on administratively.

• DISABLED - The port is turned off administratively.

Enable or disable ports from the Bridge Configuration screen.

NOTE

Displaying Information About Other Ports

To display information about other ports:

1. Use the arrow keys to highlight [1-12] (for the first 12 ports) or [13-24] (for the last
12 ports) at the bottom of the Full Duplex Configuration Screen.

2. Press the Return key.

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Port Statistics Screen

The 9E423-24 Port Statistics Screen displays information and statistics about the
module’s 24 Ethernet ports.

MMAC-Plus Local Management

PORT STATISTICS

Module Name: 9E423-24 Firmware Revision: 01.XX.08
Slot Number: 12 BOOTPROM Revision: 01.00.01

PORT #: 1

OCTETS: 747881
PACKETS: 5079 LINK STATUS: No Link
TOTAL ERRORS: 0
COLLISIONS: 0 PORT TYPE: RJ71
CRC/ALIGNMENT ERRORS: 0
UNDERSIZE PACKETS: 0 PORT STATUS: ENABLED
OVERSIZE PACKETS: 0
FRAGMENTS: 0 APPLICATION: BRIDGING
JABBERS: 0
BROADCASTS: 4489 OPERATION MODE: STANDARD ENET
MULTICASTS: 586

Appendix

PORT #: 1 EXIT RETURN

Figure 2. 9E423-24 Port Statistics Screen

7

9E423-24 Module Specific Information

Port Statistics Screen Fields

PORT # (Read-only) - Indicates the current port for which statistics are displayed.

OCTETS (Read-only) - Displays the number of octets transmitted and received.

PACKETS (Read-only) - Displays the number of packets transmitted and received.

TOTAL ERRORS (Read-only) - Displays the total number of errors on this port.

COLLISIONS (Read-only) - Displays the total number of collisions detected on this

port.

CRC/ALIGNMENT ERRORS (Read-only) - Displays the number of packets with bad

Cyclic Redundancy Checks (CRC) that have been received from the network. The
CRC is a 4-byte field in the data packet that ensures that the transmitted data that is
received is the same as the data that was originally sent. Alignment errors are due to
misaligned packets.

UNDERSIZE PACKETS (Read-only) - Displays the number of packets received

whose size was less than the minimum Ethernet frame size of 64 bytes, not including
preamble.

OVERSIZE PACKETS (Read-only) - Displays the number of packets received whose

size exceeded 1518 data bytes, not including preamble.

FRAGMENTS (Read-only) - Displays the total number of packets received that were

not an integral number of octets in length or that had a bad Frame Check Sequence
(FCS), and were less than 64 octets in length (excluding framing bits but including
FCS octets).

JABBERS (Read-only) - Displays the total number of packets received that were

longer than 1518 octets (excluding framing bits, but including Frame Check Sequence
(FCS) octets), and were not an integral number of octets in length or had a bad Frame
Check Sequence.

BROADCASTS (Read-only) - Displays the number of broadcasts received.

MULTICASTS (Read-only) - Displays the number of multicasts received.

LINK STATUS (Read-only) - Displays one of the following values:

• Link

• No Link

• N/A

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Appendix

PORT TYPE (Read-only) - Displays one of the following values:

• AUI

• BNC

• EPIM-x

• MMF SMA

• MMF ST

• RJ45

• RJ71

• SMF ST

PORT STATUS (Read-only) - Indicates the administrative status of the selected port.
Possible values are ENABLED and DISABLED.

APPLICATION (Read-only) - Displays BRIDGING, indicating that the port is
operating as a bridge with a high-speed backbone connection.

OPERATION MODE (Read-only) - Displays one of the following values:

• STANDARD ENET - The port can either transmit data or receive data, but not both

at the same time. Therefore, the port is running at 10 Mbps.

• FULL DUPLEX - The port can transmit and receive data at the same time.

Therefore, the port is running at 20 Mbps.

PORT # (Modifiable) - Selects the port for which statistics are to be displayed.

Displaying Statistics for Another Port

To display statistics for another port:

1. Use the arrow keys to highlight the Port # field at the bottom of the screen.

2. Press the Space Bar to increment (or press the Backspace key to decrement) the

port number.

3. Press the Return key (neither the read-only Port # field nor the statistics will

change until you press the Return key).

Exiting the Port Statistics Screen

To exit the Port Statistics screen:

Use the arrow keys to highlight RETURN and press the Return key.

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