interface GigabitEthernet0/0
ip address 10.10.10.1 255.255.255.0
duplex auto
speed auto
media-type RJ45
!
interface Tunnel0
ip address 192.168.1.1 255.255.255.252 tunnel source GigabitEthernet0/0 tunnel destination 192.168.1.240
Refer to the exhibit. What will be the IP MTU of tunnel0?
A. 1500
B. 1524
C. 1476
D. 1452
E. 1548
default mtu is 1500 for interface gi 0/0
1500 bit – gre header (24 bit) = 1476
My subnet mask is wrong!