when vxlan configurations specify the multicast group for BUM traffic, how do you know what IP address to input and what typically does that IP represent?
Example:
!
feature vn-segment-vlan-based
feature nv overlay
!
vlan 10
vn-segment 10010 ------> 10010 is VNID
!
interface nve1
no shutdown
source-interface loopback0
member vni 10010 mcast-group 230.1.1.1
!
interface eth1/2
!
ip pim sparse-mode
!
interface loopback0
ip address 10.1.1.1/32
ip address 10.1.1.10/32 secondary
ip router ospf 9k area 0.0.0.0
ip pim sparse-mode
!
feature vpc
!
vpc domain 1
peer-switch
peer-keepalive destination 10.31.113.41 source 10.31.113.40
peer-gateway
!
interface port-channel1
vpc peer-link
!
interface port-channel112
vpc 112
!
I was going to guess like a IP dedicated to the VNI for both segment configurations, but I have no idea and I haven't seen it specified anywhere as to how you derive the IP to be used for that section.
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