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1-8 Sun Fire B1600 Blade System Chassis Switch Administration Guide • June 2003
This switch also supports several common methods of prioritizing layer 3/4
traffic to meet application requirements. Traffic can be prioritized based on the
priority bits in the IP frame’s Type of Service (ToS) octet. When these services are
enabled, the priorities are mapped to a Class of Service value by the switch, and
the traffic is then sent to the corresponding output queue.
■ Address Filtering – This switch provides a packet filter for all traffic entering the
CPU port and potentially forwarded or routed to the management network. The
packet filter is rule/pattern-based and constitutes a set of patterns that when
matched DROPS the packet, and a further set of patterns that when matched
ACCEPTS the packet.
■ Multicast Switching – Specific multicast traffic can be assigned to its own VLAN
to ensure that it does not interfere with normal network traffic and to guarantee
real-time delivery by setting the required priority level for the designated VLAN.
The switch uses IGMP Snooping and IGMP to manage multicast group
registration.