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9 Cards in this Set
- Front
- Back
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What are the names of the three "subinterfaces" of the control plane? |
Host, Transit, and CEF Exception. |
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Define Control Plane Transit Subinterface |
Handles transit packets not handled through CEF |
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Define Control Plane Host Subinterface |
Handles TCP/UDP Control Plane traffic destined specifically for a router interface (Routing protocols, management traffic, etc) |
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Define Control Plane CEF Exception Subinterface |
If a packet causes an exception in the CEF switching path, it is sent to this subinterface. This also includes non-IP router destined traffic- CDP, L2 Keepalives, ARP packets, and IP packets with options and TTL <= 1. |
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Command to configure a specific subinterface of the control plane |
control-plane {host|cef-exception|transit} |
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The control plane host subinterface supports port filtering. Use this command to configure it |
class-map type port-filter[match-all | match-any] |
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Show all ports that are currently open |
show control-plane host open ports |
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In the class map, this command will detect all open ports and designate the others as closed. |
match closed-ports |
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In the class map, use this command to unblock a port that was not automatically detected by the system as being open. |
match not port #### |
