Cable Network RFC 2669-70

Downstream1(128)

docsCableMaclayer(127)

Upstream 1(129)

Upstream 2(129)

• A single logical Ethernet-like interface is made up of physical unidirectional sub-interfaces:

For CMTS, trick is

getting Cable Modem to:

1. Range

2. Register

Cable

Head-end system - CMTS

…up to 6

Upstream

interfaces

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