Switch Cisco Nexus 6004 removes more than 300 bytes IP packets

Hi all

We have a circuit of wave level 3 10 G running between two switches Cisco Nexus 6004. The circuit came online between our two data centers (in the same city) without problem.

When attempting to ping to the remote-end 10G interface, it works very well with packets of 64 bytes. CDP is enabled and that we see the CDP information remote switch. However, if we increase the size of the ping to more than 300 bytes packets, we lose 1 in every 20.

We settings MTU verifed, type of cable of 10G and duplex settings.

Level 3A tested clean and we will move forward with more testing.

Any ideas on the problem? We feel the carrier out and end to test with their testers. But so far, the circuit's own test. I was not sure if it is something related to Cisco. I am at a loss at the moment.

Thank you.

Mike

Hi Mike,.

There is nothing wrong with your switches or circuit.  NEXUS devices have a default COPP on the control plan that limit the size and the amount of traffic that must be the CPU process.

http://www.Cisco.com/en/us/docs/switches/Datacenter/SW/6_x/NX-OS/security/configuration/guide/b_Cisco_Nexus_7000_NX-OS_Security_Configuration_Guide__Release_6.x_chapter_011001.html

HTH

Tags: Cisco Network

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