OS - IP Protocol
This page provides IP protocol information on the IP-within-IP Encapsulation Protocol (OS) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
OS is the IP-within-IP Encapsulation Protocol, another name for basic IP-in-IP tunneling, wrapping one IP packet inside another for transport.
IP Protocol Details
- Name
- IP-within-IP Encapsulation Protocol
- Abbreviation
- OS
- Status
- Active
- IANA Number
- 94
- IANA Keyword
- OS
- Reference
- OS
IP Protocol Status - Active
OS is a widely implemented IP-in-IP tunneling scheme dating to the early 1990s and remains actively used, especially in Linux networking (the ipip driver).
IP Protocol Network Policy
OS is a basic IP-in-IP tunneling variant used by some legacy or Linux-based tunnel configurations; allow only on hosts explicitly configured as tunnel endpoints.