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ARP for VRRPv3 VIP on Master is not being responded to due to "non-local address" VRRPv3 VIP is missing from the netstack (network stack) local db , which can be checked using the following command show ip local-pt vrf ESC-9508-TAH-BB5-115# sh ip local-pt <==== VRRPv3 VIP is missing from netstack DB IP Local Address PT for context default 10.199.233.192 /27 Intf: Ethernet1/26(225) vip: No State:Up ref 1 10.199.233.222 /32 Intf: Ethernet1/26(225) vip: No State:Up ref 1 ESC-9508-TAH-BB5-115# ESC-9508-TAH-BB5-115# terminal monitor ESC-9508-TAH-BB5-115# debug ip arp packet ESC-9508-TAH-BB5-115# debug ip arp event ESC-9508-TAH-BB5-115# debug ip arp error ESC-9508-TAH-BB5-115# debug ip arp trace 2018 Apr 24 19:52:09.244234 arp: arp_process_receive_packet_msg: Packets vlan 0 if_index = 0x1a003200 phy_if_index = 0x1a003200 iod = 225 phy_iod = 225 2018 Apr 24 19:52:09.244330 arp: (context 1) Receiving packet from interface Ethernet1/26, (prty 6) Hrd type 1 Prot type 800 Hrd len 6 Prot len 4 OP 1, Pkt size 46 2018 Apr 24 19:52:09.244353 arp: Src 7070.8b5c.17ff/10.199.233.222 Dst ffff.ffff.ffff/10.199.233.193 2018 Apr 24 19:52:09.244415 arp: arp_is_our_address: arp_is_our_address ip_is_addr_local_active is failed. Reason: 2018 Apr 24 19:52:09.244469 arp: arp_is_our_address: arp_is_our_address ip_is_addr_local_active is failed. Reason: 2018 Apr 24 19:52:09.244486 arp: arp_process_receive_packet_msg: Destination address is not local 10.199.233.193 on Ethernet1/26 <============================ ESC-9508-TAH-BB5-115# sh ip arp statistics interface-all ARP packet statistics for interface: Ethernet1/26 Received: Total 5, Requests 0, Replies 0, Requests on L2 0, Replies on L2 0 Proxy arp 0, Local-Proxy arp 0, Enhanced Proxy arp 0, Anycast proxy Proxy arp 0, L2 Port-track Proxy arp 0, Tunneled 0, Fastpath 0, Snooped 0, Dropped 5, on Server Port 0 Received packet drops details: Appeared on a wrong interface : 0 Incorrect length : 0 Invalid protocol packet : 0 Invalid Hardware type : 0 Invalid context : 0 Context not yet created : 0 Invalid layer 2 address length : 0 Invalid layer 3 address length : 0 Invalid source IP address : 0 Source IP address is our own : 0 No mem to create per intf structure : 0 Source address mismatch with subnet : 0 Directed broadcast source : 0 Invalid destination IP address : 0 Non-local destination IP address : 5 <====================== Non-active FHRP dest IP address. Learn and drop
Module Reload/OIR of module where VRRPv3 is configured on an L3 sub-interface/SVI/Port channel .If vrrpv3 is configured on the physical interfaces, then this issue is not applicable.
Remove VRRPv3 configuration from impacted interface and reapply Shutdown of the interface (Not main interface in case of subif's or SVI's, user should shutdown the subif or SVI)
This only applies to VRRPv3 and does not impact any of the other FHRP's (VRRPv2/HSRP/GLBP). If VRRPv3 configuration is deployed on SVI/sub-interfaces/port channel instead of physical front panel port, only then this issue is seen. As Vrrpv3 is a platform agnostic module, this problem is valid for Nexus 9000,Nexus 3000 ,Nexus 7000 ,Nexus 7700, Nexus 6000 and Nexus 5000