Packet Forwarding - Forwarding architectures

8 important questions on Packet Forwarding - Forwarding architectures

What is a switching mechanism in which the general purpose CPU on a router is in charge of packet switching?

Process switching

What is a switching mechanism in which forwarding engines provide the pakcet switching, forwarding and route lookup capability for routers?

CEF (Cisco Express Forwarding)

What type of memory allows for the matching and evaluation of a packet on more that one field?

TCAM
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In what forwarding architecture, the route processor engine is equipped with a forwarding engine so that it can make all the packet switching decisions?

Centralized forwarding architecture

In what forwarding architecture, the line cards are equipped with forwarding engines so that they can make packet switching decisions without intervention of the RP?

Distributed forwarding architecture

Software CEF consists of which two components?

Forwarding information base + adjacency table

What is a redundancy feature that allows a Cisco router with two RPs to synchronize router configuration and  control plane state information?

SSO stateful switchover

The allocation rations between the various TCAM tables are stored and can be modified with which templates?

SDM Switching Database Manager

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