Juniper-networks T1600 User Manual download pdf (Page 10)

T1600 Routing Node Upgrade Overview

NOTE: The T640 routing node can be upgraded while the routing node is powered

on and operational.

NOTE: During the SIB upgrade:

■ The routing node should not experience packet loss if the traffic is less than

50 percent per Packet Forwarding Engine in each FPC.

■ The routing node might experience some packet loss if the traffic is more than

50 percent per Packet Forwarding Engine in each FPC, depending on the

operational environment.

For more information, contact your customer support representative.

To upgrade the T640 routing node, use the following procedures:

1. If you have not already done so, install JUNOS Release 8.5 or later in the T640

routing node.

2. Verify that the required hardware version of the rear fan tray is installed. If

needed, order a new rear fan tray.

3. Prepare the site. Provision additional power as needed.

4. Remove one two-input 160-A power supply.

5. Install a three-input 240-A power supply.

6. Replace the other power supply.

7. Upgrade the existing standard SIBs to T1600-SIBs.

8. Remove the upper fan tray.

9. Replace the craft interface.

10. Reinstall the upper fan tray.

11. Verify the installation of components.

12. Attach the T1600 agency label.

13. Register your T1600 upgrade.

NOTE: Do not install T1600-FPC4s until after all upgrade procedures are completed.

10 ■ T1600 Routing Node Upgrade Overview

T1600 Routing Node Upgrade Guide

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Juniper-networks T1600 User Manual Page 10