Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
I have a Layer 2 BGP EVPN VXLAN setup on some catalyst 9500 series switches, I have a problem with a specific VNI peering only showing as up on one of two peers which both have local clients for the VLAN. I can force peerings up if I configure an SVI...
What is the correct way to onboard a pair of Cisco 9500's intended to become a stackwise virtual pair?I have been able to onboard them individually with a template that contains the configuraiton for creating the stackwise domain and neighbor peering...
I have just upgraded a single production switch from IOS 12.2(50)SE1 to 15.0(2)SE5 to test out new ipv6 security features that we will soon require for our deployment. upon booting into the newer IOS the DHCP snooping feature stopped working, this ca...
UpdateThe problem was being caused by VTP pruning.Leaf B was sending VTP prune messages to the layer 2 access switch where the host was attached. The switch (9500) does not seem recognise an upstream EVPN connection as being relevant for the purposes...
Upon further investigation I can confirm the problem (loss of connection) never happens when I have the following config on Node B:interface Vlan501no ip addressendas soon as I delete this interface, before the MAC has even timed out, I lose connecti...
The problem is I have a layer 2 EVPN network, that is to say there are only type 2 host routes in BGP and no SVI's configured on the VTEPs. This layer 2 EVPN network is just connecting two segments of the same VLAN which are separated by a routed und...
I’m pretty sure I’m hitting a very similar issue. I just posted a new thread about it but basically I have two nodes connected via layer 2 bgp evpn. First VLAN worked fine. Second VLAN has a single very quiet host so the MAC times out and I lose BGP ...
