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Based on the group membership information learned from IGMP, a
router/switch can determine which (if any) multicast traffic needs to
be forwarded to each of its ports. At Layer 3, multicast routers use
this information, along with a multicast routing protocol such as
DVMRP, to support IP multicasting across the Internet.
Note that IGMP neither alters nor routes any IP multicast packets. A
multicast router/switch must be used to deliver IP multicast packets
across different subnetworks.
Class-of-Service (CoS) Support
The TigerSwitch 1000 provides two transmit queues on each port,
with a weighted round-robin scheme. This function can be used to
provide independent priorities for various types of data such as
real-time video or voice, and best-effort data.
Priority assignment to a packet in the TigerSwitch 1000 can be
accomplished in any of the following ways:
•
Priority can be explicitly assigned by end stations which have
applications that require a higher priority than best-effort. This
switch utilizes the IEEE 802.1p and 802.1Q tag structure to decide
priority assignments for the received packets.
•
A port may be manually configured as high priority. In this case,
when any other port receives traffic from a high-priority port, that
traffic is automatically placed in the high-priority output queue.
Содержание 8606T
Страница 2: ......
Страница 11: ...TABLE OF CONTENTS vii Console Port to 25 Pin DTE Port on PC B 3 Glossary Index ...
Страница 12: ...TABLE OF CONTENTS viii ...
Страница 96: ...CONSOLE INTERFACE 2 80 ...
Страница 110: ...WEB INTERFACE 3 14 Access Mode Management access is restricted to Read Only or Read Write Parameter Description ...
Страница 164: ...ADVANCED TOPICS 4 12 ...
Страница 168: ...TROUBLESHOOTING A 4 ...
Страница 172: ...PIN ASSIGNMENTS B 4 ...
Страница 180: ...INDEX Index 182 ...
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