Bay BayStack 400-ST1 Manuel d'instructions Page 1

Part No. 304433-A Rev 00November 1998 Installing the BayStack 400-ST1 Cascade Module

8• Stack IP MAC address --- The stack IP MAC address is automatically assigned during the stack initialization:The base unit’s MAC address, with a so

9• Temporary Base Unit --- If an assigned base unit fails, the next unit in the stack order automatically becomes the new temporary base unit. This c

10Stack ConfigurationsAs shown in Figure 4, the cascade connectors and cables on the 400-ST1 front-panel provide the ability to stack up to eight Bay

11Figure 4. Stack Up Configuration ExampleUnit 7Unit 81 = Last unit2 = Base unit3 = Cascade cable (PN 303978-A)4 = Cascade max-return cable (PN 30397

12Figure 5. Stack Down Configuration ExampleUnit 21 = Base unit2 = Last unit3 = Cascade cable (PN 303978-A)4 = Cascade max-return cable (PN 303979-A)

13Certain network management station (NMS) applications assume a stack down configuration for the graphical user interface (GUI) that represents the

14Redundant Cascade Stacking FeatureBayStack 400-ST1 Cascade Modules allow you to connect up to 8 units into a redundant cascade stack. If any single

15Figure 6. Redundant Cascade Stacking FeatureUnit 21 = Base unit2 = Last unit3 = Cascade cable (PN 303978-A)4 = Cascade max-return cable (PN 303979-

16InstallationThis section describes how to connect up to eight BayStack 10/100/1000 Series switches into a redundant stack. The switch stack can con

17Installing the 400-ST1 Cascade ModuleThe Cascade Module slot on the BayStack 450 switch can accommodate a single 400-ST1 Cascade Module.To install

© 1998 by Bay Networks, Inc.All rights reserved.TrademarksBay Networks is a registered trademark and BayStack is a trademark of Bay Networks, Inc. Al

18Figure 8. Installing a 400-ST1 Cascade Module4. Press the module firmly into the chassis slot. Be sure that the module is fully seated into the mat

19Installing and Connecting Multiple SwitchesThe procedure to install and connect multiple switches is similar for tabletop, shelf, or standard 19-in

205. Set the Unit Select switch for the base unit to the Base (up = Base) position (Figure 9).6. Set the Unit Select switch for all other units in th

217. Connect the units using the supplied cascade cables (Figure 10).a. Connect one end of a cascade cable to the Cascade A Out connector on the Base

22b. Connect the other end of the cascade cable to the cascade A In connector on the unit just below the base unit (unit 2), or just above the base u

23Connecting PowerWhen the stack is initially powered up, the software automatically assigns unit numbers to the units (the individual switches in th

24One or two AC power strips may be required to accommodate the quantity of switches in the stack.3. Apply power to the AC power strip.Set the AC pow

25Figure 11. Verifying the Installation• The Base LED for the base unit only is on.If one (or more) Base LEDs are blinking, no unit (or more than one

26Modifying an Existing Stack ConfigurationThis section provides examples of how to modify an existing stack configuration. The examples assume the s

27Assigning a New Base Unit to the StackTo assign a new base unit to the stack, complete the following steps:1. Set the Unit Select switch on the ori

1IntroductionThis guide provides procedures for installing the BayStack 400-ST1 Cascade Modules into supported Bay Networks BayStack 450 switches tha

28Adding Units to the StackThis section describes how to add one or more units to the middle of a stack or to the end of a stack.Adding Units to the

29For tabletop configurations, temporarily move units 1 and 2 to allow space for units 5 and 6.Figure 12. Adding to Middle of Stack4. Add the new uni

305. Reconnect the cascade cable from unit 2 to the Cascade A In connector of (new) unit 5.6. Connect a cascade cable from the Cascade A Out connecto

31Figure 13. Adding to End of Stack2. Disconnect the cascade max-return cable (item 4) from the Cascade A Out connector at unit 4.Leave the other end

324. Connect a cascade cable from the Cascade A Out connector of unit 4 to the Cascade A In connector of unit 5.5. Connect a cascade cable from the C

33Removing/Replacing Adjacent UnitsTo remove/replace adjacent units from an operating stack, complete the following steps (see Figure 14):1. Remove t

342. Remove the cascade cable from the Cascade A In connector at unit 5.3. Remove the units (units 3 and 4) and install replacement units as required

355. Repeat Steps 1 to 4 for unit 5.Figure 15. Removing Nonadjacent Units6. Renumber the order of the units for the new stack configuration (if desir

36Upgrading the BayStack 450 Switch FirmwareThe BayStack 450 switch firmware provides a code load facility that allows you to upgrade the firmware im

373. After the BayStack 450 boot code image is downloaded, click on Version 1.1.0 at the BayStack 450 agent link.Follow the prompts to download the B

2Find the Bay Networks product for which you need documentation. Then locate the specific category and model or version for your hardware or software

38• The port connection to the load host cannot be through a MultiLink Trunk.• During the load process, the ports are configured as follows:• Twisted

3Contents of ShipmentEach BayStack 400-ST1 shipment includes the following items (Figure 1):• One BayStack 400-ST1 Cascade Module• One .30 meter (12

4If any items are missing or damaged, contact the sales agent or the customer service representative from whom you purchased the BayStack 400-ST1 cas

5Cascade A Out ConnectorProvides an attachment point for connecting this unit to another unit via the cascade cable. A return cable from another unit

6Cascade A In ConnectorProvides an attachment point for accepting a cascade cable connection from an adjacent unit in the stack. A return cable from

7Base Unit DescriptionThe base unit is a unique stack unit that can be selected by the Unit Select switch on the front-panel of the 400-ST1 cascade m