vpn Overlay 0 or vpn Overlay 1

Hi all,

 

  I have gone through the guide of filter hsrp hello and mac address from Cisco website as below:


T_N7K1-OTV#


**VACL Filter**


ip access-list ALL_IPs


10 permit ip any any


ip access-list HSRP_IP


10 permit udp any 224.0.0.2/32 eq 1985


20 permit udp any 224.0.0.102/32 eq 1985


vlan access-map HSRP_Localization 10


match ip address HSRP_IP


action drop


vlan access-map HSRP_Localization 20


match ip address ALL_IPs


action forward


vlan filter HSRP_Localization vlan-list 10


**OTV MAC route filter**


mac-list OTV_HSRP_VMAC_deny seq 10 deny 0000.0c07.ac00 ffff.ffff.ff00


mac-list OTV_HSRP_VMAC_deny seq 20 deny 0000.0c9f.f000 ffff.ffff.ff00


mac-list OTV_HSRP_VMAC_deny seq 30 permit 0000.0000.0000 0000.0000.0000


route-map OTV_HSRP_filter permit 10


match mac-list OTV_HSRP_VMAC_deny


otv-isis default


vpn Overlay0


redistribute filter route-map OTV_HSRP_filter





My question is in Brain's video, we could see vpn Overlay 0 and vpn Overlay 1 under otv-isis default, what's the difference between these two ? And why we would apply the filter under vpn Overlay 0 in this case ?





Cheers!



JF

 

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