Chapter 2 Commands for the Catalyst 6500 Series SSL Services Module

standby authentication

standby authentication

To configure an authentication string for HSRP, use the standby authentication command. Use the no form of this command to delete an authentication string.

standby [group-number]authentication text string

no standby [group-number]authentication text string

Syntax Description

group-number

(Optional) Group number on the interface to which this authentication string

 

 

applies. Valid values are from 0 to 255 for HSRP version 1; valid values are

 

 

from 0 to 4095 for HSRP version 2. See the “standby version” section on

 

 

page 2-116for information about changing the HSRP version.

 

 

 

 

text string

Specifies the authentication string, which can be up to eight characters.

 

 

 

Defaults

Command Modes

Command History

The defaults are as follows:

group-number is 0.

string is cisco.

Subinterface configuration submode

Release

Modification

SSL Services Module

Support for this command was introduced on the Catalyst 6500 series

Release 2.1(1)

switches.

 

 

SSL Services Module

The command mode for this command was changed from Proxy-VLAN to

Release 3.1(1)

Subinterface.

 

 

Usage Guidelines

HSRP ignores unauthenticated HSRP messages.

 

The authentication string is sent unencrypted in all HSRP messages. You must configure the same

 

authentication string on all routers and access servers on a cable to ensure interoperation. Authentication

 

mismatch prevents a device from learning the designated hot standby IP address and the hot standby

 

timer values from the other routers that are configured with HSRP.

 

When you use group number 0, no group number is written to NVRAM, providing backward

 

compatibility.

 

 

Examples

This example shows how to configure “word” as the authentication string to allow hot standby routers

 

in group 1 to interoperate:

 

ssl-proxy(config-subif)#standby 1 authentication text word

 

ssl-proxy (config-subif)#

Catalyst 6500 Series Switch SSL Services Module Command Reference

2-96

OL-9105-01

 

 

Page 122
Image 122
Cisco Systems 6500 manual Standby authentication, Group-number is String is cisco