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authorvivek <vivek@cumulusnetworks.com>2024-06-26 15:49:45 -0700
committerPooja Jagadeesh Doijode <pdoijode@nvidia.com>2024-07-01 13:02:52 -0700
commitb5682ffbf0051b54af972e6da4c3319adb7a292f (patch)
tree4f7fb645a2c5a980150ee0b0b6474578b25cc49f /tests/topotests/bgp_oad/test_bgp_oad.py
parentecbca1ae1be5e4e3f68bc712696f28d01909803c (diff)
*: Add and use option for graceful (re)start
Add a new start option "-K" to libfrr to denote a graceful start, and use it in zebra and bgpd. zebra will use this option to denote a planned FRR graceful restart (supporting only bgpd currently) to wait for a route sync completion from bgpd before cleaning up old stale routes from the FIB. An optional timer provides an upper-bounds for this cleanup. bgpd will use this option to denote either a planned FRR graceful restart or a bgpd-only graceful restart, and this will drive the BGP GR restarting router procedures. Signed-off-by: Vivek Venkatraman <vivek@nvidia.com>
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