ospfd: Prune duplicate next-hop when installing into zebra route table. #17906
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Does this PR close #17869? |
Yes - we discussed it in the Tuesday huddle and both Don and Mark thought it would be good to not send the duplicates to zebra. One question is whether the change warrants a separate topotest? I found that there was already a multicast test with duplicates. |
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if there is already a test w/ duplicates then just add a extension to that test to see that the duplicates are not sent down? |
OSPF topotest to test OSPF next-hop pruning on installation into zebra routing table. Also fix multicast_pim_dr_nondr_test topotest which had a duplicate OSPF route in the results. Signed-off-by: Acee Lindem <acee@lindem.com> X
Duplicate next-hops are maintained for OSPF inter-area and AS external routes in the OSPF routing table as long as they correspond to LSAs for different adverting routers. The intra-area route computation will not result in duplicate next-hops. Signed-off-by: Acee Lindem <acee@lindem.com>
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tests: OSPF topotest for next-hop pruning