February 2003
Intermediate to advanced
592 pages
11h 47m
English
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Forwarding Packets
Any node that forwards a packet sends it in the same direction it is already moving.
Rules For Forwarding
A node will forward an incoming packet to its outbound link if any of the following conditions are met.
The packet is a broadcast request (determined from the command type)
The packet is a directed request which carries a UnitID = 0 (coming from a bridge), the compatibility bit is clear, and the address is not owned by this node.
The packet is a directed request which carries a UnitID = 0 (coming from a bridge), the compatibility bit is set, and this node is not the subtractive decoder or a bridge to it.
The packet is a response with the bridge bit set (traveling downstream from a bridge), and the UnitID field does not match ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.