Hi;
You?re right; I have enabled cef on the router, and inmediately it started
to send data to cflowd.
The bug -ID is CSCdv06352
Thank?s a lot!
Regards
> -----Mensaje original-----
> De: Roman Popov [mailto:rvp@demos.su]
> Enviado el: jueves, 16 de agosto de 2001 21:02
> Para: Fernando Mayo (acens)
> CC: cflowd@caida.org
> Asunto: Re: My Cisco 7200 dowsn't export any data!
>
>
> This is a cisco ios bug, netflow doesn't work without cef
> enabled on ioses
> above 12.1.3T.
>
> On Thu, Aug 16, 2001 at 12:02:40PM +0200, Fernando Mayo (acens) wrote:
> > Hi;
> >
> > I have searched into the mail archive, but I didn't find any
> answer about
> > this question.
> >
> > I'm having some trouble about exporting flow data from a 7200 running
> > 12.1(5)T4 IOS to my cflowd server (running on Red Hat Linux
> 6.2, but it is
> > not relevant, I think).
> >
> > Flow export is enabled on the desired interface:
> >
> > interface FastEthernet1/0
> > description Backbone
> > ip address xxxxxxxxxxxxxxxxxx
> > no ip unreachables
> > no ip proxy-arp
> > ip route-cache same-interface
> > IP ROUTE-CACHE FLOW
> > load-interval 30
> > duplex full
> > no cdp enable
> > standby priority 110 preempt
> > standby ip xxxxxxxxxxxxx
> >
> > And flow export is enabled, to a directly attached host, wich is running
> > cflowd:
> >
> > ip flow-export source Loopback0
> > ip flow-export destination 10.6.1.41 2055
> >
> > Here is the output of "debug ip flow export" command:
> >
> > router1#debug ip flow export
> > IP Flow export mechanism debugging is on
> > 9w1d: IPFLOW: Sending export pak to 10.6.1.41 port 2055
> > 9w1d: IPFLOW: Sending export pak to 10.6.1.41 port 2055
> >
> > So, I should think the router is sending data to cflowd..but it doesn't!
> > I don't see any traffic coming the router on 2055 port if I run
> tcpdump on
> > the cflowd host's interface directly attached to the router,
> but there is
> > communication between them, because I can see ICMP packets on
> that tcpdump
> > if I ping the cflowd server from the router.
> >
> > Here is the output of "show ip flow export" in the router:
> >
> > router1#sh ip flow export
> > Flow export is enabled
> > Exporting flows to 10.6.1.41 (2055)
> > Exporting using source interface Loopback0
> > Version 1 flow records
> > 1163596 flows exported in 56297 udp datagrams
> > 0 flows failed due to lack of export packet
> > 56295 export packets were sent up to process level
> > 0 export packets were dropped due to no fib
> > 0 export packets were dropped due to adjacency issues
> > 0 export packets were dropped due to fragmentation failures
> > 0 export packets were dropped due to encapsulation fixup failures
> >
> > Do you know what is happen ?
> > Do you know what mean "56295 export packets were sent up to
> process level"?
> >
> > Thanks a lot
> >
> > Regards
> >
> > Fernando Mayo Tel. Directo: 911418544
> > http://www.acens.com
> > fernando.mayo@acens.com
> >
> > C/ San Rafael, 14
> > Pol?gono industrial Alcobendas
> > 28108 Alcobendas (Madrid)
> >
> >
> >
> >
> > --
> > cflowd mailing list
> > cflowd@caida.org
>
> --
>
> wbw
> Roman Popov
>
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