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authorNeale Ranns <nranns@cisco.com>2018-02-21 04:57:17 -0800
committerNeale Ranns <nranns@cisco.com>2018-03-20 23:59:06 +0000
commit2303cb181b51f63c909cd506125c1f832432865a (patch)
treeea2389593abc50790e06b6ac2e80f2a38c536942 /doxygen/layout.xml
parentf55957e71c58e38770b12af0720e9d19a8f6a8d6 (diff)
FIB Interpose Source
The interpose source allows the source/provider to insert/interpose a DPO in the forwarding chain of the FIB entry ahead of the forwarding provided by the next best source. For example if the API source (i.e the 'control plane') has provided an adjacency for forwarding, then an interpose source (e.g. a monitoring service) couold interpose a replicatte DPO to copy the traffic to another location AND forward using the API's adjacency. To use the interose feature an existing source (i.e FIB_SOURCE_PLUGIN_HI) cn specifiy as a flag FIB_ENTRY_FLAG_INTERPOSE and provide a DPO to interpose. One might also consider using interpose in conjunction with FIB_ENTRY_FLAG_COVER_INHERIT to ensure the interpose object affects all prefixes in the sub-tree. Change-Id: I8b2737b985f8f7c08123406d0491881def347b52 Signed-off-by: Neale Ranns <nranns@cisco.com>
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