We have two routers (Nexus 9k), router A and router B. Currently, we have one monitoring node connected to router A, and we're running an ERSPAN session from router B to router A to copy traffic of specific vlans (let's say vlan 100). Then router A s...
Hello, My production environment is running a distributed deployment of ISE in version 2.2. My goal here is to set up a lab environment, also of ISE 2.2 nodes, and do a restore of the PROD configuration onto the LAB ISE primary node. Both my LAB and ...
Hello, I have a 4 node deployment, 2x PSN, 1x PAN, 1x Secondary Administration Node. I did a failover of the PAN, and, following the promotion, the former primary could not communicate with the newly-elected primary. The replication does not work any...
Hello,
This mac move / mac block happens in our network when we perform a firewall failover. Our servers are connected behind a firewall, and when we perform a failover of that firewall, the MAC address table is updated to point to the interface of o...
So I've performed the operation. I ended up restoring the backup of the PROD device on my LAB node. My LAB node had the following characteristics:Same VLAN & Subnet as the PROD deviceDifferent hostname from the device the backup was obtained onDiffer...
Wouldn't that be exactly what I'm trying to achieve ? If the LAB node is converted into a standalone node with all the config - that sounds like exactly what I need.Nonetheless, that seems a bit sketchy to do it that way. Regarding your method in you...
The hostname of my LAB is different from the prod. Does that make any difference ? It's acceptable for me to have different hostnames.The real goal here is ultimately to test our upgrade process. We want to have 4x LAB ISE nodes in version 2.2 (same ...
Greg, Thank you for your answer. I've been going over what you said and think I will proceed slightly differently.I'll be updating the PSN certificates from the GUI, which I believe should work as the replication is still established, then update the...
