IPIP tunneling between FreeBSD and Linux

E

ekta

Hi,

I want to configure an IPIP tunnel between Linux and FreeBSD. After configuration I am not able to ping through the tunnel. Please find the below configuration

Linux:
Code: 
  modprobe ipip
  ip tunnel add tun0 mode ipip remote 200.200.200.200 local 100.100.100.100 dev eth13
  ifconfig tun0 10.1.2.1 pointopoint 10.1.1.1
  ifconfig tun0 mmtu 1500
  ifconfig tun0 mtu 1500
  ifconfig tun0 up

FreeBSD:
Code: 
 ifconfig gif0 create
 ifconfig gif0 tunnel inet 200.200.200.200 100.100.100.100
 ifconfig gif0 tunnel 200.200.200.200 100.100.100.100
 ifconfig gif0 10.1.1.1 netmask 255.255.255.252 10.1.2.1
 ifconfig gif0 mtu 1500 up

When I pinged I could see that the ping is failing.

1) I am not sure that I need to configure anything else apart from this. I haven't loaded any ipip module in FreeBSD.

2)I have tried the same with GRE (with the module loaded in linux and FreeBSD), but no help.

Can someone guide me where I am wrong?
 
For starters both tunnel endpoint addresses are on different subnets.
 
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