Cisco 4900M - Catalyst Switch Manuale utente

Catalyst 10/100Base-T Ethernet Hub Upgrade 1

Catalyst 10/100Base-T Ethernet Hub Installation Guide

Overvie

This installation guide explains how to replace an existing 10Base-T ethernet

hub with a 10/100Base-T ethernet hub. It contains the following sections:

•Pre-Installation Software Commands

•Removing Hardware

•Installing 10/100Base-T Hub Hardware

•Installing 10/100Base-T Cabling

•Final Installation Steps

The 10/100Base-T ethernet hub provides a communication link between the

test and user computers, and between the test system and an external network.

The new hub has two major advantages over 10Base-T systems. The first is

that the test system no longer needs to occupy its own subnet on a customer’s

network. The second is that the 10/100Base-T hub filters out network traffic

not destined for the test or user computers. This isolates the test system from

routine network traffic, permitting private communication between the test

and user computers.

The 10/100Base-T ethernet hub acts as a gateway between the test system and

the user’s network. The 10/100Base-T hub contains two network segments.

One is internal, permitting the test and user computers to communicate at 100

Mbit/second. The other connects the test system to the customer’s network,

and may be manually switched to operate at either 10 Mbit/second or 100

Mbit/second.

See 10/100Base-T Ethernet Hub Location -- Service Side for the location of

the new 10/100Base-T ethernet hub in the Catalyst mainframe.

2 Catalyst 10/100Base-T Ethernet Hub Upgrade

10/100Base-T Ethernet Hub Location -- Service Side

The following is a high-level list of steps for removing the 10Base-T ethernet

hub and installing the 10/100Base-T ethernet hub.

1) Using the necessary software commands, prepare the test system for

hardware installation.

2) Halt the computer and turn the system off.

3) Remove the service side test system covers.

4) Detach the AD958 user power panel sitting in front of the module

mounting cage.

5) Disconnect all cables from the 10Base-T ethernet hub.

6) Remove the 10Base-T ethernet hub.

7) Install the 10/100Base-T ethernet hub.

8) Reconnect cables.

9) Reattach the AD958 user power panel.

10) Replace the test system covers.

11) Turn on main and test system power.

12) Verify hardware installation.

13) Run checkers.

VME Card Cage

IEEE Bus Extender

10/100Base-T Hub

Module Mounting Cage

Catalyst 10/100Base-T Ethernet Hub Upgrade 3

Pre-Installation Soft are Commands

Follow these software instructions before installing the 10/100Base-T

ethernet hub.

1) While in IMAGE, type halt_tst and confirm by typing Y

2) Login as root

3) Type csh

4) Type source/image/common/.login

5) Type cd/etc

6) For SPARC5 type:

• rm hostname.le0

• vi hostname.hme0

•Change hostname-gate to hostname

Example: for hostname.hme0, file was bay5-gate. Change to bay5

7) For Ultra 1 type rm hostname.hme1

8) Type vi hosts and remove the line listing gateway IP and name.

For example, remove 131.101.175.161 bay8-gate

9) Type cd

If changing IP addresses, continue with step 10. Otherwise, skip to step 12.

10) Type /image/bin.rls/custom/change_sys_name

11) Run change_sys_name script and change IP addresses.

12) Type tip hardwire and press Return after display reads

connected.

13) Login to test computer as root

14) Type cd/etc

15) Type mv hostname.le0 hostname.hme0

16) Type ~#

17) At the OK prompt, type setenv boot-device net2

This is necessary because the 10Base-T ethernet connection to port 1 on

the test computer moves to port 2 for 100Base-T operation.

18) Open new command tool window.

19) Login as root

20) Type cd/var/yp; /usr/ccs/bin/make

21) Type halt_sys

22) Shut the test system down and perform the hardware upgrade.

4 Catalyst 10/100Base-T Ethernet Hub Upgrade

Removing Hard are

The following steps explain how to remove a 10Base-T hub and associated

hardware from a Catalyst test system.

1) Remove the external network cable (pn 804-183-00) connecting the

second optional ethernet board in the user computer to the external

network.

Note

Discard the existing 804-183-00 cable and install the replacement 804-183-00

included in the upgrade kit. The existing cable ill not support 100Base-T

operation.

2) Remove the center test system cover by releasing the two quarter-turn

fasteners in the middle of the cover (service side). Then lift the cover away

from the mainframe.

3) Remove the test system cover on the left side of the service side by

releasing the quarter-turn fastener at the lower left side of the cover. Then

lift the cover away from the mainframe.

4) Detach the AD958 user power panel mounted in front of the option space

by loosening the two screws holding the power panel to the mainframe.

The upper screw is captive and the lower is conventional. See [A] and [B]

in AD958 Detail.

Carefully pull the power panel away from the option space and tie-wrap

the AD958 and cables to the mainframe to reduce strain.

AD958 Detail

Captive Scre

Scre and Washer

Catalyst 10/100Base-T Ethernet Hub Upgrade 5

5) Disconnect the two 10Base-T hub cables (pn 804-182-00 and pn

804-182-01) and the AC power cable from the10Base-T hub. Coil the

cables and leave them in the options bay.

6) Remove power cables from the IEEE bus expander. Coil the cables and

leave them in the options bay.

7) Slide the IEEE/10Base-T hub mounting plate out of the options bay.

8) Remove the IEEE bus extender (if present) from the IEEE/10Base-T hub

mounting plate by loosening the captive screw attaching the bus extender

to the mounting plate.

9) Remove the ethernet hub/IEEE mounting plate by removing the four

screws securing it to the mainframe.

10Base-T Hub Mounting Assembly

Installing 10/100Base-T Hub Hard are

The following steps describe how to install a 10/100Base-T ethernet hub.

1) Attach the IEEE bus extender (if present) to the new mounting plate (pn

467-533-00).

2) Insert the new mounting plate assembly (pn 806-833-00) into the

mainframe.

To facilitate cable connections to the 10/100Base-T hub and IEEE bus,

tighten the mounting plate assembly screws after attaching cables.

Mounting Plate

RJ-45 Cable

Po er Cable

10Base-T Hub

to Main Vault Port J6

(PN 804-182-00)

Hub (Port 1-8) to Tester Computer

RJ-45 Cable

(PN 804-182-01)

Hub (Port 1-8) to User Computer

Scre s (x4)

6 Catalyst 10/100Base-T Ethernet Hub Upgrade

10/100Base-T Hub Mounting Assembly

Installing 10/100Base-T Cabling

This section explains how to install the 10/100Base-T hub cables.

1) Connect the existing power cord to the input connector at the rear of the

10/100Base-T hub.

2) Connect cable pn 804-182-00 (RJ-45 connector) to hub port 3.

3) Connect cable pn 804-182-01 (RJ-45 connector) to hub port 2.

4) Connect cable pn 804-183-00 (RJ-45 connector) to hub port 8.

5) Move cable pn 804-182-00 from test computer ethernet port 1 to ethernet

port 2 (directly above port 1). See 10/100Base-T Hub Cabling.

If user computer is an Ultra 1, skip to step 7.

6) If user computer is an SS5, detach cable pn 804-182-01 from the primary

ethernet port and reconnect it to the secondary ethernet board.

7) Route cable pn 804-183-00 from hub port 8 outside of the mainframe

through the cable clamp holding the existing computer cables. These

include power, serial and ethernet cables.

8) Plug cable pn 804-183-00 into the external network connection.

Po er Cord

10/100Base-T Hub

to Main Vault J6

Cable PN 804-182-00

Hub (Port 3) to Test Computer

Cable PN 804-182-01

Hub (Port 2) to User Computer Scre s (4x)

Cable PN 804-183-00

Hub (Port 6) to Outside Net ork

Plate

Mounting Plate

Catalyst 10/100Base-T Ethernet Hub Upgrade 7

10/100Base-T Hub Cabling

Final Installation Steps

This section describes the final steps in the hub upgrade installation.

1) Replace the user power panel.

2) Replace the test system covers.

3) Set the hub’s normal/uplink crosslink switch to normal.

4) Set the hub’s duplex mode switches to auto.

5) Turn on main and test system power.

6) After boot is complete, log in as checkers and IMAGE.

7) Load checker and run.

1 2 3 4 5 6 7 8 100 ~ 240 VAC

Customer’s Factory Ethernet Network

Test

Computer

User

Computer

Cable 804-182-00

Cable PN 804-183-00

To Customer’s Network

10/100 Base-T Hub

PN 425-476-00

Cable 804-182-01

Numerics

10/100Base

Mounting Assembly 6

Cabling

10/100Base-T Hub 6

Figures

10/100Base

Mounting Assembly 6

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