Hi All,
Some ARP issue need some urgent help...My VPN gateway which has almost 50 tunnels lost connetivity to peers.
VPN ASA 5520 firewall's outside connected to cisco 3750 stack (12.2(52)SE) , its our internet L3 switch which connects to internet router & internet infra.
At the time of problem i found that from Internet L3 switch ip address of VPN firewall outside interface was not reachable ,however firewall found to be health after basic checks.
Later i had to to clear ip arp x.x.x.x (VPN firewall outside int ip) & everything started woking fine.
No change in arp entry mac was same when after clearing arp...
Please help to arrest issue here since not able to get any clue here..
Regards
Yogesh