Cabletron Systems MMAC-Plus 9T122-24 User manual

9031487-03

SmartSwitch 9000

9T122-24

Local Management Appendix

Appendix

9T122-24 Module Speciﬁc

Information

Introduction

This appendix contains local management information that is speciÞc to the

9T122-24 Token Ring MicroLAN Switch Module.

Physical RingTopology

When viewed from the front, the 9T122-24 Token Ring MicroLAN Switch

ModuleÕs token rotation is

. The token moves from Port 12 to Port 11 to Port 10,

and so on. Therefore, Port 11 is downstream from Port 12 and upstream from Port

10.

Default Conﬁguration

By default, the 9T122-24 Token Ring MicroLAN Switch Module is conÞgured for

24 ports on Token Ring 1.

If you want to conÞgure the module for 12 ports on Token Ring 1 and 12 ports on

Token Ring 2, you have to set a DIP switch on the module. For information about

setting DIP switches, see the

SmartSwitch 9000 9T122-24 Three Port Token Ring

MicroLAN Switch Module UserÕs Guide

9T122-24 Module Speciﬁc Information

Module Interfaces

The 9T122-24 Token Ring MicroLAN Switch Module has Þve interfaces. Table 1

lists the identifying number, name, and description of each interface.

FNB Resource Conﬁguration Codes

The 9T122-24 Token Ring MicroLAN Switch Module provides connectivity

between either two or three interfaces: the front panel Token Ring interface(s) and

the FDDI rings on the backplane (FNB-1 or FNB-2).

The default operating conÞguration for the 9T122-24 module is a two port FDDI-

to-Token Ring bridge. All 24 front panel lobe ports are conÞgured as a single,

shared Token Ring segment, which is bridged to the FDDI-FNB backplane.

Optionally, you can segment the 24 ports into two smaller rings (or MicroLANs)

of 12 ports each (Ports 1-12 = Ring 1, Ports 13-24 = Ring 2) by repositioning, at

installation time, the on-board hardware DIP switch. These two MicroLANs are

then bridged together, in addition to the FDDI-FNB backplane, creating a three-

port bridge (two Token Rings and one FDDI interface bridged together).

The FNB Resource ConÞguration Screen allows you to connect the moduleÕs front

panel Token Ring interface to one of the chassisÕ two FDDI networks (FNB-1 or

FNB-2) via a bridge/switch.

Table 1. 9T122-24Token Ring MicroLAN Switch Module Interfaces

System

Interface

Number

Bridge

Interface

Number

Interface

Name

Interface

Description

1 SMB-1 1 Mbps System Management Bus

2 SMB-10 10 Mbps System Management Bus

3 1 FNB Flexible Network Bus (FDDI)

4 2 TOKEN RING 1 Token Ring 1 Front Panel Interface

5 3 TOKEN RING 2 Token Ring 2 Front Panel Interface

9T122-24 Module Speciﬁc Information

The FNB Resource ConÞguration Screen lists all the possible connections that the

speciÞed module can support on the FNB, displays the current connection, and

allows you to change the connection. Table 2 lists and describes the FDDI

Connections from which you can select.

Table 2. 9T122-24Token Ring MicroLAN Switch Module FNB

Resource Conﬁguration Codes

ConÞguration

FDDI

Connections Description

1 NORING <-> TRNG

Neither the FNB-1 nor the FNB-2 on

the chassisÕ backplane is connected

to the moduleÕs bridge/switch.

2 FNB1 <-> TRNG

The FNB-1 on the chassisÕ backplane

and the moduleÕs front panel Token

Ring interface is connected to the

same bridge/switch.

3 FNB2 <-> TRNG

The FNB-2 on the chassisÕ backplane

and the moduleÕs front panel Token

Ring interface is connected to the

same bridge/switch.

9T122-24 Module Speciﬁc Information

General Conﬁguration Screen

The General ConÞguration Screen (Figure 1), displays various information about

the selected module and allows you to set the following general parameters:

¥ Date and Time

¥ Screen Update Time

¥ Screen Lockout Time

¥ Host IP Address

¥ Subnet Mask

¥ Default Gateway

¥ Default Interface

¥ TFTP Gateway IP Address

Figure 1. General Conﬁguration Screen

SmartSwitch 9000 LOCAL MANAGEMENT

General Configuration

Module Name: 9T122-24 Firmware Revision: 01.08.07

Slot Number: 6 BOOTPROM Revision: 01.01.09

Module Serial #: 09 Module Date: 05/24/1996

Module Board Revision: 09 Module Time: 21:22:36

Screen Refresh Time: 03 sec

Screen Lockout Time: 15 min

FLASH Memory: 2 MB

Host IP Address: XXX.XXX.XXX.XXX

Subnet Mask: 255.255.0.0

Default Gateway: NONE DEFINED

Default Interface: NONE DEFINED

Base MAC Address: 00-00-1D-18-0B-2F

TFTP Gateway IP: 0.0.0.0

SAVE RETURN

9T122-24 Module Speciﬁc Information

General Conﬁguration Screen Fields

The following information brießy explains each General ConÞguration Screen

Þeld.

Module Serial #

Displays the serial number of the selected module.

Module Board Revision

Displays the version number of the selected module.

FLASH Memory

Displays the amount (megabytes) of ßash memory in the selected module.

Module Date

Contains a value that the module recognizes as the current date. To enter a new

date, highlight the Þeld and enter the date in MM/DD/YYYY format. The month

and day portion of the date must include two digits. Therefore, enter a leading

zero for months January through September, and for dates less than 10. For

example, for June 4, 1996, enter 06/04/1996 (slashes are optional). If you do not

enter slashes to separate the month, day, and year values, the Þrst eight digits you

enter in this Þeld represent an entry (i.e., 06041996).

ModuleTime

Contains a value that the module recognizes as the current time. To enter a new

time, highlight the Þeld and enter the time in HH:MM:SS format. Notice that

there is no AM/PM indicator. Time should be entered based upon a 24 hour clock.

For 4:07 p.m., enter 16:07:00 (colons are optional). If you do not enter colons to

separate the hours, minutes, and seconds values, the Þrst six digits you enter in

this Þeld represent an entry (i.e., 160700). For 6:12 a.m., enter 6:12:00 or 06120.

Screen RefreshTime

Contains the rate at which the moduleÕs screens are updated. This setting

determines how frequently (in seconds) information is updated on the screen. To

enter a new refresh rate, highlight the Þeld and enter a number. The

default

refresh rate is 3 seconds. The

range

is 3 - 99 seconds.

The moduleÕs default date and time settings are indeterminate. The internal

calendar and clock begin running as soon as you install the module.

NOTE

9T122-24 Module Speciﬁc Information

Screen LockoutTime

Contains the maximum number of minutes that the Local Management

application will display a moduleÕs screen while pending input or action from a

user. For example, if you enter 5 in this Þeld, users will have up to Þve minutes to

respond in some fashion to each of the speciÞed moduleÕs Local Management

screens. In our example, after Þve minutes of ÒidlenessÓ (no input or action), the

Local Management application terminates the session on the selected module and

the Slot Selection Screen reappears. To enter a new lockout time, highlight the

Þeld and enter a number. The

default

lockout time is 15 minutes. The

range

is 1 -

30 minutes.

Host IP Address

Contains the Internet Protocol address currently assigned to the selected module.

Set this Þeld according to your network requirements. Highlight the Host IP

Address Þeld and enter the desired IP address using dotted decimal notation (4

decimal values between 1 and 255 separated by periods) as follows:

255.255.255.255

(255 is the maximum number that you can enter in any of the four segments.

Default

= 0.0.0.0 .) This address can be used by any of the system interfaces on

the module.

Subnet Mask

Contains the subnet mask for the selected module. A subnet mask Òmasks outÓ

the network bits of the IP address by setting the bits in the mask to 1 when the

network treats the corresponding bits in the IP address as part of the network or

subnetwork address, or to 0 if the corresponding bit identiÞes the host. The

default subnet mask uses the Þrst two portions of the IP address to identify the

network id, leaving the rest of the IP address to identify speciÞc nodes. To enter a

new subnet mask, highlight the Þeld and enter a new value using dotted decimal

notation (4 decimal values between 1 and 255 separated by periods) as follows:

255.255.255.255

(The Subnet Mask Þeld defaults to the natural mask value, based on the IP

Address that you entered for the device.)

Default Gateway

Contains the IP Address of the device to which all packets addressed to an

unknown network or host are sent. If you do not conÞgure a Default Gateway,

any packets that are addressed to an unknown network or host will be dropped.

This Þeld is not deÞned until you enter an appropriate value using dotted

decimal notation (4 decimal values between 1 and 255 separated by periods).

9T122-24 Module Speciﬁc Information

Default Interface (Toggle)

Contains the number that represents the interface that is connected to the

moduleÕs Default Gateway. In some instances, dissimilar modules have different

corresponding interface numbers. For example, if you are assigning a default

interface to a 9T122-24 module and you enter a 3, then the default interface is the

Flexible Network Bus. However, if you are assigning a default interface to a

9F310-02 module and you enter a 3, then the default interface is the Internal

Network Bus. See Table 1 for module-speciÞc interface information. The

default

is NONE, meaning no default interface selected.

Base MAC Address

Displays the MAC Address of the selected module. This is the MAC Address of

the SMB-10 interface.

TFTP Gateway IP

The IP address of the router that connects to or is closest to the module. ConÞgure

this address when you are performing TFTP downloads in a routed environment

(if proxy ARP is disabled on the router).

The Default Interface Þeld becomes active after you enter an IP address in the

Default Gateway Þeld.

NOTE

9T122-24 Module Speciﬁc Information

Token Ring Bridge Conﬁguration (Screen 1)

The 9T122-24 Token Ring Bridge ConÞguration Screen (Figure 2), provides basic

setup options for making a bridge operational in your network.

Figure 2. 9T122-24Token Ring Bridge Conﬁguration Screen

SmartSwitch 9000 LOCAL MANAGEMENT

Bridge Configuration

Module Name: 9T122-24 Firmware Revision: 01.08.07

Slot Number: 6 BOOTPROM Revision: 01.01.09

Bridge Address: 00-00-1D-18-0B-2F Bridging Interfaces: 3

Bridge Number (hex): 1Type of STA: [NONE]

Bridge Priority Label (hex): 8000 Novell Xlat: [NONE]

Bridge Path Cost (hex): 0000000A

Interface # MAC/Local Address Bridge State Status

1 (FNB) 00-00-B8-18-D0-0C forwarding [ENABLED]

2 (TR1) 00-00-B8-18-D0-8C forwarding [ENABLED]

3 (TR2) 00-00-B8-18-D0-4C disabled [DISABLED]

SAVE INTERFACE CONFIGURATION RETURN

To modify a non-toggle Þeld on this screen, use the arrow keys to highlight the

Þeld, then press the Enter key. Now you can modify the Þeld.

NOTE

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