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Multicast filtering functions may be added to the Layer 2 switches to avoid sending
Multicast packets where they are not required. Layer 2 switches capable of
Multicast filtering send the Multicast packets only to ports that connect members of
that Multicast group. This is typically based on IGMP snooping, GMRP or CGMP.
Note: To operate IP Multicast filtering with IGMP snooping, Hardware Ver. C/S 2.0
or higher is mandatory.
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
Cajun P330, communicate with the RADIUS server to authenticate users.
All transactions between the RADIUS client and server are authenticated throught
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 Cajun P330. In addition, user
passwords are sent between the client and server are encrypted for increased
security.
Port Redundancy
Redundancy can be implemented between any two ports in the same stack at the
link level. You can also assign redundancy between any two LAGs in the stack or
between a LAG and a port. One port or LAG is defined as the primary port, and the
other as the secondary port. In case the primary port link fails, the secondary port
takes over.
Intermodule Redundancy
Intermodule redundancy includes all Port Redundancy functionality. Intermodule
redundancy maintains port integrity even when the primary port link fails as the
result of a failure of the module. If the module on which the primary port in an
Intermodule Port Redundancy is powered down or removed from the device, the
secondary port in the Intermodule Port Redundancy takes over. Only one module
per stack must be set for Intermodule Port Redundancy.
Stack Redundancy
In the unlikely event that a Cajun P330 switch or Octaplane link should fail, stack
integrity is maintained. The broken link is bypassed and data transmission
Cajun P332MF User's Guide
Chapter 1
Overview
3
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