The sup2 still supports version 1 which should have sour and dest ip set.
On Thu, 19 Jul 2001, Jeffrey Papen wrote:
> I just replied to this issue for Luca Deri. I'll repeat it here for you.
> It depends on if you're using a sup1a w/ MSFC then you configure ip route-cache flow
> on each vlan you want flows exporting from. Then in the global router config setup
> the export ip, version, etc.
> If you have a sup2 with MSFC2 then it's ankle-grabbing time. Cisco changed NetFlow on
> the MSFC2 to support only version 7. This means that dest IP, port, protocol, AS, and
> some other cool fields are always set to zero. Now both the router and the switch
> will be exporting to your collector where the router does a flow for the first packet
> and the switch does a lobotomized flow for the remainder of the data.
> The commands you're looking for are:
> SUP config
> set mls agingtime 256 (or whatever values)
> set mls agingtime fast 10 5 (or whatever values)
> set mls flow full
> set mls nde 172.17.246.225 9996
> set mls nde version 7 (version 7 not 5)
> set mls nde enable
> MSFC config
> interface vlanx
> ip route-cache flow
> ip flow-export destination 172.17.246.225 9996
> ip flow-export version 5
> ip flow-export source vlan 1
> Here is a URL that may help.
> If you end up opening a Cisco TAC case on this, we had case #B464927 on this issue.
> Referencing it may help you out. The case was about an sup1a/MSFC working great and a
> sup2/MSFC2 working like poop.
> Let me know if you have any other questions.
> - Jeffrey
> Vladimir Kotal wrote:
> > Hello,
> > I'm trying to setup netflow on 'Cat6k-MSFC2 (R7000)' with MSFC2 cards.
> > IOS ver is Version 12.1(3r)E2.
> > Relevant configuration entries are:
> > ip flow-cache entries 65536
> > ip flow-cache timeout active 1
> > ip flow-export source Vlan155
> > ip flow-export version 5 peer-as
> > ip flow-export destination a.b.c.d 9995
> > and 'ip route-cache flow' on several interfaces. The box is running ~50M
> > ATM line and various FEth based Vlan interfaces.
> > The problem is that I no longer get the number of netflow packets I used
> > to get when running the same lines on c75xx machine. The netlflow packet
> > rate on 75xx with 12.1.x was usually hundreds packets per second, now it
> > is hardly tens. I suspect it is caused by layer 3 switching.
> > Could someone acknowledge my suspicion ?
> > some useful links (which gave me no answer on this):
> > http://www.cisco.com/univercd/cc/td/doc/product/lan/index.htm
> > http://www.cisco.com/warp/public/cc/pd/si/casi/ca6000/prodlit/msfc2_ds.htm
> > please reply to my personal mail addr as well.
> > Regards
> > V. Kotal
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