2 L2tp Client with Single L2TP Server

I have L2TP Server Hosted on Mikrotik Router.
it has 2 Public ip's.
I want to create 2 seperate l2tp clients for each public ip.
for edge im using openwrt.
Both clients are getting up but only 1 client is responding to ping responses.
in tcpdump only active client is showing connections on tcpdump.
Please help