This blog was originally started to better help me understand the technologies in the CCIE R&S blueprint; after completing the R&S track I have decided to transition the blog into a technology blog.

CCIE #29033

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Tuesday, May 18, 2010

Question 115

When and why would you use "ip traffic-export"?

1 comments:

Packets Analyzed said...

Traffic-Export is used to copy packets from one interface to another. This helps protocol analyzers, monitoring and capturing devices receive the packets unaltered. IP Traffic-Export is similar to SPAN on switches.

config#ip traffic-export profile [NAME] - Creates the traffic profile.

config-rite#interface fastethernet 0/1 - specifies outgoing interface (required)
config-rite#bidirectional - optional
config-rite#mac-address 1111.2222.3333 - MAC address of the destination host (required)
config-rite#incoming and/or outgoing acl - can filter based on ACL

config#interface fastethernet 0/2
config-if#ip traffic-export apply [NAME]

%RITE-5-ACTIVATE: Activated IP traffic export on interface FastEthernet 0/2


show ip traffic-export

Router IP Traffic Export Parameters
Monitored Interface FastEthernet0/1
Export Interface FastEthernet0/2
Destination MAC address 1111.2222.3333
bi-directional traffic export is on
Input IP Traffic Export Information Packets/Bytes Exported 0/0
Packets Dropped 0
Sampling Rate one-in-every 1 packets
No Access List configured
Profile one is Active

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