User manual
Table Of Contents

22
LLTD STATUS
LLTD (Link Layer Topology Discovery) is a protocol supported by Windows Vista.
LLTD enables applications to discover the topology of a network and includes
optional QoS Extensions that applications can use to diagnose problems.
Field
Description
Link Layer Topology
Discovery (LLTD)
When enabled, multicasting is limited to either IGMP or
MLD Aware Multicast Syndication.
MULTICAST STATUS
IGMP (Internet Group Membership Protocol) and MLD (Multicast Listener
Discovery) are protocols used by IP hosts to report their multicast group
memberships to any neighboring multicast routers.
Field
Description
Automatic Multicast
Auto-configures the local network for multicasting.
IGMP Aware Multicast
Syndication (IPv4)
Multicasting for IPv4 networks. Enabled in EP mode.
Disabled in AP mode. (See LLTD description above)
MLD Aware Multicast
Syndication (IPv6)
Multicasting for IPv6 networks.
VIDEO OPTIMIZATION
The optimization strategy for video streams is shown here.