Stack Redundancy; Network Management Agent (Nma) Redundancy; Allowed Managers; Radius Security - Avaya P334T-ML User Manual

Stackable switch
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Stack Redundancy

In the unlikely event that a P330 switch or Octaplane link should fail, stack integrity
is maintained if the redundant cable is connected to the stack. The broken link is
bypassed and data transmission continues uninterrupted. The single management
IP address for the stack is also preserved for uninterrupted management and
monitoring. You can remove or replace any unit within the stack without disrupting
operation or performing stack-level reconfiguration.

Network Management Agent (NMA) Redundancy

Since each P334T-ML module has an integral SNMP agent, any module in a stack
can serve as the stack NMA while other NMAs act as redundant agents in "hot"
standby. If the "live" NMA fails then a backup is activated instantaneously.

Allowed Managers

With the Allowed Managers feature, the network manager can determine who may
or may not gain management access to the switch. The feature can be enabled or
disabled (default is disabled). When enabled, only those users that are configured in
the Allowed Managers table are able to gain Telnet, http, and SNMP management
access to the switch.

Radius Security

The Remote Authentication Dial-In User Service (RADIUS) is an IETF standard
(RFC 2138) client/server security protocol. Security and login information is stored
in a central location known as the RADIUS server. RADIUS clients such as the
P334T-ML, communicate with the RADIUS server to authenticate users.
All transactions between the RADIUS client and server are authenticated through
the use of a "shared secret" which is not sent over the network. The shared secret is
an authentication password configured on both the RADIUS client and its RADIUS
servers. The shared secret is stored as clear text in the client's file on the RADIUS
server, and in the non-volatile memory of the P334T-ML. In addition, user
passwords are sent between the client and server are encrypted for increased
security.

Software Download

P334T-ML includes a safe software download procedure in which backup code is
always present.
You should perform a reset after downloading software to the Module.

Port Classification

With the P334T-ML, you can classify any port as regular or valuable. Setting a port
P334T-ML User's Guide
Chapter 1
Overview
5

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