Technical Documentation

Configuring MS-CHAPv2 to Provide Password-Change Support (CLI Procedure)

JUNOS software for EX-series switches enables you to configure the Microsoft Corporation implementation of the Challenge Handshake Authentication Protocol version 2 (MS-CHAPv2) on the switch to provide password-change support. Configuring MS-CHAPv2 on the switch provides users accessing a switch the option of changing the password when the password expires, is reset, or is configured to be changed at next login.

See RFC 2433 at , Microsoft PPP CHAP Extensions, for information about MS-CHAP.

Before you configure MS-CHAPv2 to provide password-change support, ensure that you have:

To configure MS-CHAPv2, specify the following:


[edit system radius-options]


user@switch# set password-protocol mschap-v2

    You must have the required access permission on the switch in order to change your password.


    Updated: 2009-04-02