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-rw-r--r--doc/Building_FRR_on_CentOS6.md3
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/Building_FRR_on_CentOS6.md b/doc/Building_FRR_on_CentOS6.md
index 45477a6bb0..4139daf316 100644
--- a/doc/Building_FRR_on_CentOS6.md
+++ b/doc/Building_FRR_on_CentOS6.md
@@ -14,6 +14,9 @@ CentOS 6 restrictions:
needed
- MPLS is not supported on `CentOS 6`. MPLS requires Linux Kernel 4.5 or
higher (LDP can be built, but may have limited use without MPLS)
+- Zebra is unable to detect what bridge/vrf an interface is associcated
+ with (IFLA_INFO_SLAVE_KIND does not exist in the kernel headers, you
+ can use a newer kernel + headers to get this functionality)
Install required packages
-------------------------