zebra: fix missing kernel routes #17326
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The `rib_update_handle_kernel_route_down_possibility()` didn't consider the kernel routes ( blackhole ) without interface. When some other interfaces are down, these kernel routes will be wrongly removed. Signed-off-by: anlan_cs <[email protected]>
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I think we need a topotest for this case. |
Done. |
The test verifies that a kernel blackhole route is not affected by interface's link change. Signed-off-by: anlan_cs <[email protected]>
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@Mergifyio backport dev/10.2 stable/10.1 stable/10.0 stable/9.1 stable/9.0 |
✅ Backports have been created
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This was referenced Nov 5, 2024
donaldsharp
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Nov 5, 2024
zebra: fix missing kernel routes (backport #17326)
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The
rib_update_handle_kernel_route_down_possibility()didn't consider the kernel routes ( blackhole ) without interface. When some other interfaces are down, these kernel routes will be wrongly removed.