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authorViacheslav Hletenko <v.gletenko@vyos.io>2026-08-27 20:37:29 +0300
committerGitHub <noreply@github.com>2026-08-27 20:37:29 +0300
commit6006dc82c92994149d906625c8abe7ff611a4fc9 (patch)
tree3b53bc341a183973eafd767eac1aa732db9b97b5 /docs
parent3a1c6c3020c4ed819616098a91be670719e290cc (diff)
parent49418680a1a74fb0c312d8a096edb5af5145be10 (diff)
downloadvyos-documentation-6006dc82c92994149d906625c8abe7ff611a4fc9.tar.gz
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Merge pull request #2221 from jeleel-muibi/docs-t9145-wlb-health-script-env
docs: T9145: document WLB health script variables
Diffstat (limited to 'docs')
-rw-r--r--docs/configuration/loadbalancing/wan.md4
1 files changed, 3 insertions, 1 deletions
diff --git a/docs/configuration/loadbalancing/wan.md b/docs/configuration/loadbalancing/wan.md
index a19bbfae..bcd83917 100644
--- a/docs/configuration/loadbalancing/wan.md
+++ b/docs/configuration/loadbalancing/wan.md
@@ -174,7 +174,9 @@ type WLB test type
address or hostname.
- `test-script`: A user-defined script must return 0 to succeed and
non-zero to fail. Scripts reside in `/config/scripts`. For other locations,
- provide the full path.
+ provide the full path. When the script runs, VyOS sets
+ `WLB_INTERFACE_NAME` to the interface under test. The same value is available
+ as `WLB_SCRIPT_IFACE` for backward compatibility.
- `ttl-limit`: For the UDP TTL limit test, specify the hop count limit.
The limit must be shorter than the path length. The test succeeds when an
ICMP time-expired message is returned. Default `1`.