Cisco 5428 - SN Router Dokumentacja Pobierz pdf (Strona 65)

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Cisco SN 5428-2 Storage Router Software Configuration Guide

78-15471-01

Chapter 3 Configuring System Parameters

Configuring the High-Availability Interface

Configuring the High-Availability Interface

If you configured the SN 5428-2 for high availability during the initial system configuration, you were

prompted to enter an IP address for the high availability (HA) interface. The HA interface is a 10/100

Ethernet interface, and is used along with the management interface to exchange information as

heartbeats to detect changes or failures in the cluster.

If you configured the SN 5428-2 as a stand-alone system, or if you need to change the HA IP address

without changing clusters, use the following procedure to configure the HA interface IP address.

See Chapter 10, “Configuring a High Availability Cluster,” for more information about configuring

SN 5428-2s in a high availability cluster.

Configuring for Secure Shell (SSH) Access

The SN 5428-2 Storage Router supports Secure Shell (SSH) as an alternative to Telnet protocol for

SN 5428-2 management. SSH provides encryption and strong authentication for interactive SN 5428-2

management sessions. The SN 5428-2 supports SSH protocol version 2 and allows port forwarding.

The SN 5428-2 SSH implementation supports execution of interactive commands only; non-interactive

commands cannot be executed. Secure FTP (sftp) and Secure Copy (scp) are not supported.

SSH is enabled for the SN 5428-2 and the SSH service is started, by default. However, you must generate

a public/private key pair for the SN 5428-2 before you can use SSH to establish a management session.

By default, SSH is restricted on all interfaces except the management interface.

Use the following procedure to configure the SN 5428-2 to use SSH.

Command Description

Step 1

enable Enter Administrator mode.

Step 2

interface ha ip-address

10.1.20.56/24

Specify or change the IP address and subnet mask for the HA

interface.

Command Description

Step 1

enable Enter Administrator mode.

Step 2

show ssh Display the status of the SSH service for the SN 5428-2. The SSH

service is running and is enabled by default (Example 3-1).

Step 3

ssh enable (Optional) If SSH is not enabled, start the SSH service.

Step 4

ssh keygen Generate the SSH public/private key pair, using the specified

number of bits. For example, generate a 1024-bit key pair (the

default setting).

Step 5

show restrict Display the current protocol restrictions for the SN 5428-2. Verify

that SSH is enabled for the required interface.

Step 6

no restrict mgmt ssh (Optional) Enable SSH for the required interfaces. For example,

enable SSH for the SN 5428-2 the management interface.

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