Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Behringer0
Aswini Kumar Sattaluri0
Pascal Thubert0
Date of Patent
October 2, 2018
0Patent Application Number
137376410
Date Filed
January 9, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In one implementation, sub-interfaces are defined in Layer three (L3) tunnels, such as generic routing encapsulization (GRE) or Internet protocol security (IPsec) tunnels. Sub-interfaces inside a L3 tunnel may be preferred to using several L3 tunnels. The flow label of the tunnel header is used to define sub-interfaces of a tunnel interface. The flow label is populated with a routing instance identifier to index the sub-interfaces.
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