PLANET WGS3-24000 - Manual (Page 236)

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Options - The Options field in the link state advertisement header indicates which optional capabilities
are associated with the advertisement. The options are:
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Q - This enables support for QoS Traffic Engineering.
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E - This describes the way AS-external-LSAs are flooded.
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MC - This describes the way IP multicast datagrams are forwarded according to the standard
specifications.
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O - This describes whether Opaque-LSAs are supported.
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V - This describes whether OSPF++ extensions for VPN/COS are supported