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Community Member

Netflow - Catalyst 6506-E

Hi,

I am getting netflow export for my vlans on my cat 6506-E (IOS12.4), but I cannot get anything for my physical ports (Ws-x6348 blades).

Can I get netflow export for this (my CatOS Cats do) ??

Regards

Scott

7 REPLIES
Bronze

Re: Netflow - Catalyst 6506-E

Hello Scott,

are you using CatOS+IOS or native IOS on your 6500? If you are using CatOS on your supervisor, did you configure a netflow export on it? It is necessary to configure netflow export from both parts (switch L2 part [PFC] and routing L3 part [MSFC]). You can find information about netflow configuration for CatOS on our pages: http://netflow.caligare.com/configuration.htm

I hope that it helps...

Kind regards

Jan Nejman

Caligare, Co.

http://www.caligare.com/

Community Member

Re: Netflow - Catalyst 6506-E

Hi,

Our 2 x Cat6506-E's are native IOS, the other 2 are Cat6506's running hybrid (IOS/CatOS).

The hybrids are working fine , its the native ones we are struggling with.

Regards

Scott.

Bronze

Re: Netflow - Catalyst 6506-E

Hello,

did you configure 'mls nde' on your native IOS boxes?

I recommend the following options:

mls nde sender version 7

mls aging long 128

mls aging normal 32

mls flow ip interface-full

mls nde

Community Member

Re: Netflow - Catalyst 6506-E

Hi,

Here are my commands.

mls rp ip

mls aging long 64

mls aging normal 32

mls flow ip interface-full

mls nde sender

no mls acl tcam share-global

mls ip multicast flow-stat-timer 9

mls cef error action freeze

ip flow-export source Loopback0

ip flow-export version 5

ip flow-export destination 172.30.2.61 9996

Bronze

Re: Netflow - Catalyst 6506-E

Hello,

could you send me output of the

"show mls nde"?

Jan

Community Member

Re: Netflow - Catalyst 6506-E

Hi,

Here it is.

LNPDSW01#sh mls nde

Netflow Data Export enabled

Exporting flows to 172.30.2.61 (9996)

Exporting flows from 10.172.30.1 (49515)

Version: 7

Layer2 flow creation is disabled

Layer2 flow export is disabled

Include Filter not configured

Exclude Filter not configured

Total Netflow Data Export Packets are:

6561360 packets, 0 no packets, 177159088 records

Total Netflow Data Export Send Errors:

IPWRITE_NO_FIB = 0

IPWRITE_ADJ_FAILED = 0

IPWRITE_PROCESS = 0

IPWRITE_ENQUEUE_FAILED = 0

IPWRITE_IPC_FAILED = 0

IPWRITE_OUTPUT_FAILED = 0

IPWRITE_MTU_FAILED = 0

IPWRITE_ENCAPFIX_FAILED = 0

Netflow Aggregation Disabled

Bronze

Re: Netflow - Catalyst 6506-E

Hello,

it seems OK... Are your blades in the same VLAN or each blade is in another VLAN? If a traffic between blades goes throught same VLAN you cannot see that traffic unless you will configure accounting of layer2 switched vlans.

(command: ip flow ingress layer2-switched )

Jan

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