Explanation
Both can be true and correct because if you check the link:
https://www.cisco.com/c/en/us/support/docs/ip/ip-multicast/115011-anycast-pim.html Relevant running configurations Nexus 1 relevant configuration:
ip pim rp-address 10.1.1.1 group-list 224.0.0.0/4
ip pim anycast-rp 10.1.1.1 192.168.1.1
ip pim anycast-rp 10.1.1.1 192.168.2.2
interface loopback1
ip address 192.168.1.1/32
ip router ospf 1 area 0.0.0.0
ip pim sparse-mode
interface loopback7
ip address 10.1.1.1/32
ip router ospf 1 area 0.0.0.0
ip pim sparse-mode
interface Ethernet9/2
ip address 10.7.7.1/24
ip router ospf 1 area 0.0.0.0
ip pim sparse-mode
interface Ethernet9/3
ip address 172.16.1.2/24
ip router ospf 1 area 0.0.0.0
ip pim sparse-mode