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Riverstone Networks RS 32000 Switch Router Getting Started Guide 5-9

Managing Software Hitless Software Upgrade

Here is an example:

6. Configure the BootP/TFTP server with the RS 32000’s CPU MAC address, an appropriate IP

address, and the location of the RS 32000 software image file. Additionally, make sure that the ARP

cache of the BootP/TFTP server is set correctly for the RS 32000.

7. Reboot the RS 32000 by entering the reboot command at the Boot prompt.

Here is an example:

5.4 HITLESS SOFTWARE UPGRADE

The operating software for RS 32000 switch routers equipped with redundant Control Modules (CMs) can be upgraded

without having to reboot the system. This ability to update the software without rebooting the RS is known as a

”hitless” upgrade, referencing the fact that all flows and routes are maintained throughout the upgrade process.

Note OC-12 and all Smartcards in general are reset when performing a hitless upgrade

if there is a change to the code for these specific line cards (checksum has

changed).

The basic process of performing a hitless upgrade is outlined below:

• New software is placed on a reachable TFTP server

• Software is downloaded to the backup CM

rs-boot> set autoboot bootp

rs-boot> reboot

Ethernet Base address = 00:00:1d:12:34:56

Ethernet CPU address = 00:00:1d:12:34:57

Performing Bootp with timeout in 5 seconds.

** plen = 300 plen - sizeof(struct bootp) = 0

BOOTPD='134.141.179.134'

netaddr='134.141.179.132'

* bootp source is C:\TFTPBOOT\ROS80

Booting boot file C:\TFTPBOOT\ROS80.

source: tftp://134.141.179.134/C:\TFTPBOOT\ROS80

File: version (703 bytes)

Build location: host 'matrix' by 'adm'

Version: 8.0.0.0

Build date: Mon Dec 25 23:56:47 2000

File: kernel (3568593 bytes)

Loading kernel (base 0x80001000, size 50528)

(base 0x8000d560, size 3507312)

100% - kernel loaded...

...

Press RETURN to activate console . . .

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Riverstone Networks WICT1-12 Especificaciones Pagina 101