Hi Craige,
Thank you for the response.
Please find the details below.
#show interface tunnel 702
Tunnel 702 is up line protocol is down
Description: Tunnel Description
Source 10.226.100.92
Destination 10.112.60.248
Tunnel mtu is set to 1100
Tunnel is a Layer2 GRE TUNNEL
Tunnel is Trusted
Inter Tunnel Flooding is disabled
Tunnel keepalive is enabled
Keepalive type is Default
Tunnel keepalive interval is 10 seconds, retries 3
Heartbeats sent 797, Heartbeats lost 796
Tunnel is down 2 times
tunnel vlan 572-574
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as per the customer the firewall is open for gre protocol
and also find the log below
#show datapath session | include 10.112.60.248
10.112.60.248 10.226.100.92 47 0 0 0/0 0 0 0 local 7 0 0 F 11
10.226.100.92 10.112.60.248 47 0 0 1/0 0 0 0 local 7 1 64 FC 11
Re