Avaya Configuring BayStack Remote Access Uživatelský manuál stáhnout pdf (Strana 35)

Understanding Tools and Options

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• Restore a corrupted file system

The BayStack router’s file system resides on an installed flash memory card.

With Netboot enabled, the BayStack router can still boot over the network if

the local files become corrupted. (When the BayStack router reboots due to a

reset or power loss, it automatically boots the configuration and image files

over the network if it cannot find intact files locally.)

• Obtain application and string files from the BootP server as the BayStack

router needs them

Obtaining these files individually, rather than obtaining the entire an.exe or

arn.exe file, reduces line costs and the use of flash memory space.

The Netboot procedure requires the following at initial startup:

• A communications link between the BayStack router and an upstream router

over an Ethernet, HDLC, frame relay, or token ring (ARN only) interface

• A local console or modem connection with the BayStack router

• A BootP server that contains the operating-system kernel (krnl_arn.exe for the

ARN or krnl_an.exe for the AN/ANH) or a network configuration file

customized for the BayStack router

• An IP address assigned to the BayStack router boot interface

Directed Netboot

The Directed Netboot procedure requires the following at initial startup:

• A communications link between the BayStack router and an upstream router

over an Ethernet, HDLC, frame relay, or token ring (ARN only) interface

• A local console or modem connection with the BayStack router

• A TFTP server that contains the kernel file (krnl_arn.exe for the ARN or

krnl_an.exe for the AN/ANH) or a network configuration file customized for

the BayStack router

Compared with Netboot, Directed Netboot offers the following advantages:

• Creates less network traffic

• Is generally faster

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Avaya Configuring BayStack Remote Access Uživatelský manuál Strana 35