There are variuos methods to encapsulate and tunnel traffic. Each one of these protocols adds an “envelope” to the packet which means more overhead and a bigger packet size. Here are a few of these protocols:
|
Protocol |
Overhead Bytes |
|
IP |
20 |
|
UDP |
8 |
|
TCP |
20 |
|
802.1Q |
4 |
|
OTV |
42 |
|
VXLAN |
50 |
|
STT |
54 |
|
GRE |
24 |
|
IPSec |
60 |
|
GET |
72 |