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Capture command on routers

Hi,

Can someone tell me if there's an equivalent for the ''captures'' that you can do on the ASAs on routers?

We need to sniff the packets and capture them with wireshark, but we would like the ability to do it from the router itself without the need of putting the sniffer in the path of traffic.

On the ASA we can define an ACL and apply a capture to it, and export that to read it from Wireshark.

Is there a way to do this on IOS?

Federico.

1 Accepted Solution

Accepted Solutions

Jon Marshall
Hall of Fame
Hall of Fame

Federico

Beginning with IOS 12.4(20)T you can now do this with the Embedded Packet Capture. Haven't tried it myself so not sure how good it is -

http://www.cisco.com/en/US/customer/docs/ios/netmgmt/configuration/guide/nm_packet_capture_ps6441_TSD_Products_Configuration_Guide_Chapter.html#wp1054751

Jon

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2 Replies 2

Jon Marshall
Hall of Fame
Hall of Fame

Federico

Beginning with IOS 12.4(20)T you can now do this with the Embedded Packet Capture. Haven't tried it myself so not sure how good it is -

http://www.cisco.com/en/US/customer/docs/ios/netmgmt/configuration/guide/nm_packet_capture_ps6441_TSD_Products_Configuration_Guide_Chapter.html#wp1054751

Jon

Thank you Jon, I'll give it a try (i'm not familiar with it), but it seems to be exactly what we need ;-)

I'll get back to you, thank you again.

Federico.

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