
Configuring IP Services
2-18
How RIPSO Works on the Router
When you configure RIPSO on an IP interface, you specify the following
conditions:
• A range of acceptable security levels for IP datagrams the interface receives
and transmits
• A set of required and allowed authority values for IP datagrams the interface
receives and transmits
• Whether inbound datagrams received on this interface require security labels
• Whether outbound datagrams transmitted on this interface (either forwarded
or originated by the router) require security labels
Bit 0 GENSER General
Services (as per
DoD 5200.28)
Bit 1 SIOP-ESI DoD
(Organization of
the Joint Chiefs
of Staff)
Bit 2 SCI Central
Intelligence
Agency
Bit 3 NSA National
Security Agency
Bit 4 DOE Department of
Energy
Bit 5 Reserved
Bit 6 Reserved
Bit 7 Termination
indicator
Note: Bit 7 acts as a “more” bit, indicating that another octet (containing
additional authority flags) follows.
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