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T-series
Internet Processor ASIC
The T-series Internet Processor ASIC receives notification
cells representing inbound data packets and performs route lookups
in the forwarding table. This lookup determines the outgoing interface
on the router and the next-hop IP address for the data packet. While
the packet is being processed by the T-series Internet Processor ASIC,
it might also be evaluated by a firewall filter, which is configured
on either the incoming or outgoing interface. This filter can perform
the functions of an MF classifier by matching on multiple elements
within the packet and overwriting the forwarding class settings, loss
priority settings, or both within the notification cell. Once the
route lookup and filter evaluations are complete, the notification
cell, now called the result cell, is passed to the Queuing and Memory
Interface ASICs.
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