
© 2009 Cisco Systems, Inc. All rights reserved.
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Cisco PublicBRKBBA-2006
STB
802.3, 802.11b/g
Aggregation Node
Video/Voice Applications Gateway
DHCP Relay; Video/Voice subnets
BNG
DHCP relay/
PPPoE Server
Default Gateway
IGMP
snooping
Service Connectivity and Forwarding
Single VLAN per services
Limited MAC switching)
IGMP Snooping (multi-STBs)
Service Prioritization
Ethernet Cos based
VLAN
Service Connectivity and Forwarding
• IA: Bridge into N:1 VLAN IA service VLAN
• Voice: bridge into N:1 voice service VLAN
• Video: bridge into N:1 video service VLAN
Service Prioritization on UNI
• Ethernet CoS based
Service Prioritization on NNI
• Ethernet CoS based
802.1q
GE
Access Node Service Mapping (Bridged HAG)
Trunk UNI, N:1 VLAN Connectivity
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