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I have a few network devices that do not do netflows, but I can get raw SPANs from them. It would be nice for NTA to be able to read raw data or provide an add-on that would convert the raw data to a readable format for NTA,
Cisco have changed the way you configure port or VLAN monitoring on the NX-OS based switches. http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/system_management/configuration/guide/sm_span.html You can now configure a maximum of 18 SPAN sessions on a device BUT only two SPAN sessions can be running…
This is something I see popping up fairly often. We all work on enterprise networks during the day (or maybe night as well) but also may have home labs for testing. I put together some info on how you can get network monitoring setup at this link. When I say monitoring I mean something more detailed than the stats you get…
We have an infrastructure of Cisco 4500 switches and are using an RSPAN VLAN to capture packets from a port on any switch to a single capture system (Wireshark). It works great and reduces the effort and equipment needed to capture on any port in the core. The problem is that in order to find out which ports are spanned to…
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