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We have HUb on ASA. and remote site we have router with two isp and IP SLA is running. and VPN configure for bot ISP
Problem is when one primary ISP done. it switch over to secondary ISP and tunnel is establish with secondary ISP.
When Primary ISP again come up. secondary tunnel could not able to delete.Which cause the Drop.
We have ENBALE Isakmap Keepalive perodic. but no help.
And we tried reverse-route command in crypto map but not help
HUB which asa is not able to delete old SA. when ever switch over happen..
PLEASE SUGGEST WE ARE FACING LOT OF ISSUE WITH CLIENT REGARDING THIS