Trusted Extensions Configuration and Administration

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Updated: July 2014
 
 

Trusted Extensions Data Packets

Trusted Extensions data packets include a label option. The CIPSO data packets are sent over IPv4 networks. The CALIPSO packets are sent over IPv6 networks.

In the standard IPv4 format, the IPv4 header with options is followed by a TCP, UDP, or SCTP header, and then the actual data. The Trusted Extensions version of an IPv4 packet uses the CIPSO option in the IP header for the security attributes.

image:Graphic shows an IPv4 header with the CIPSO option, followed by a TCP, UDP, or SCTP header, and then the actual data.

In the standard IPv6 format, an IPv6 header with options is followed by a TCP, UDP, or SCTP header and then the actual data. The Trusted Extensions version of an IPv6 packet uses the CALIPSO option in the IP header for security attributes.

image:Graphic shows an IPv6 header with extensions, followed by a TCP, UDP, or SCTP header and then the actual data.
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