User guide

New Software Supported
page 14 OmniSwitch 6600/7000/8800—Release 5.1.5.R04
OSPF Enhancements
The following new features are now supported:
• Graceful (Hitless) Support During Failover, which is the time period between the restart and the rees-
tablishment of adjacencies after a planned (e.g., the users performs the takeover) or unplanned (e.g., the
primary CMM unexpectedly fails) failover.
• OSPF adjacencies over non broadcast links.
PIM-SSM (Source-Specific Multicast) Support
By default, PIM-SM software now supports Source-Specific Multicast. No additional user configuration is
required. PIM-SSM is automatically enabled and operational as long as PIM-SM is loaded and IGMPv3
source-specific joins are received within the SSM address range.
Port Mirroring Enhancements
Up to four unidirectional or up to two bidirectional port mirroring sessions are now supported on
OmniSwitch 7700/7800 and 8800 switches. In earlier releases only one session was supported.
Port Mirroring to Mirror IPMS
IPMS has been enhanced to support port mirroring on OmniSwitch 6600/7700/7800/8800
Power over Ethernet (PoE)
The Power over Ethernet software in the switch is used to configure the OS7-ENI-P24 module on OS7000
switches and on the OS6600-P24.
QoS Enhancements
• QoS on High Density Gigabit Modules (OmniSwitch 7700/7800/8800 only) On high-density gigabit
modules, packets coming into the switch are classified on the module first before any QoS settings take
effect. The QoS software may be used to set the default classification, determine the internal protocol
priority and control the buffering, queuing, servicing, and discarding of packets.
• ToS Stamping and Source/Destination ACLs
The OmniSwitch 6600 series now supports ToS stamping and source/destination access control lists.
Reduce Processor Resources Used by ACL/QoS
ACL/QoS functions are now highly optimized for speed in order to prevent a Denial of Service (DoS)
condition on a particular NI or switch in a stack.
Router Discovery Protocol (RDP)
The Router Discovery Protocol (RDP) is an extension of ICMP that allows end hosts to discover routers
on their networks. The implementation of RDP supports the router requirements as defined in RFC 1256.
Using RDP, hosts attached to multicast or broadcast networks send solicitation messages when they start
up. Routers respond to solicitation messages with an advertisement message that contains the router IP
addresses. In addition, routers send advertisement messages when their RDP interface becomes active and
then subsequently at random intervals.