artheight

test@m20-lab# run show configuration interfaces gr-0/1/0    
unit 0 {
    tunnel {
        source 11.0.0.1;
        destination 11.0.0.2;
    }
    family inet {
        mtu 1524;
        address 172.16.0.1/30;
    }
}

{master}[edit interfaces gr-0/1/0 unit 0 family inet]
test@m20-lab# run ping 172.16.0.2 size 1476                 
PING 172.16.0.2 (172.16.0.2): 1476 data bytes
ping: sendto: Message too long