Elemental12
asked on
Netflow and Cisco 6509
I have a server that I would like to make my netflow collection server. I am trying to setup my 6509 to send netflow traffic from a specific vlan to the collection server. Here is what I have so far, the parts of my cfg that are relevant :
int vlan25
ip address 172.16.25.251 255.255.255.0
ip route-cache flow
no mls acl tcam share-global
mls netflow interface
mls flow ip interface-full
no mls flow ipv6
mls nde sender version 5
mls cef error action freeze
mls nde sender version 5
ip flow ingress layer2-switched vlan 25
ip flow export layer2-switched vlan 25
ip flow-export destination SERVERIPINDIFFERENTNETWORK
Very strange, I cannot seem to ping 172.16.25.251 from anywhere. Which I assume is my bigger issue, but then:
Total Netflow Data Export Packets are:
0 packets, 0 no packets, 0 records
int vlan25
ip address 172.16.25.251 255.255.255.0
ip route-cache flow
no mls acl tcam share-global
mls netflow interface
mls flow ip interface-full
no mls flow ipv6
mls nde sender version 5
mls cef error action freeze
mls nde sender version 5
ip flow ingress layer2-switched vlan 25
ip flow export layer2-switched vlan 25
ip flow-export destination SERVERIPINDIFFERENTNETWORK
Very strange, I cannot seem to ping 172.16.25.251 from anywhere. Which I assume is my bigger issue, but then:
Total Netflow Data Export Packets are:
0 packets, 0 no packets, 0 records
Last Comment
What device on your network routes traffic between VLAN's? Does it know about VLAN 25 and can it ping 172.16.25.251?
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I found the solution doing more research.
Routers
A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.
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