I have a simple question that might be easy to answer but if you have a supporting document please provide the link. The question is:
Is it recommended to have Netflow running permanently in a 6509 or is it a tool that needs to be enable only as needed (reactive troubleshooting)?
Planing on enabling it on our ISP port for traffic analysis using solarwinds, but unsure if it is a feature that should stay ON all the time since i think it may cause performance issues or increase CPU utilization in the switch. I may be wrong so any supportive information is welcome.
Its all depends upto the Customer. I have seen customer enabling it on always on there device as they want to see the traffic of that muxes which they would like to monitor on.
We should not run into any performance issue while enabling netflow feature on those 1/2 interfaces. There can be slight impact on CPU depending on if netflow export is enabled and number of exported flows is high. Below document should explain ways to reduce the number of exported flows by not taking any hit on CPU:
Question We run asr9001 with XR 6.1.3, and we have a very long delay to
login w/ SSH 1 or 2 to the device compare to IOS device. After
investigation, the there is 1s delay between the client KEXDH_INIT and
the server (XR) KEXDH_REPLY. After debug ssh serv...
Introduction The purpose of this document is to demonstrate the Open
Shortest Path First (OSPF) behavior when the V-bit (Virtual-link bit) is
present in a non-backbone area. The V-bit is signaled in Type-1 LSA only
if the router is the endpoint of one or ...
Hi, I am seeing quite a few issues with patch install and wanted to
share my experience and workaround to this. Login to admin via CLI, then
access root with the “shell” command Issue “df –h” and you’ll probably
see the following directory full or nearly ...