management: clarify the inconsistency in UDP face timeouts in nfd.conf
refs #2473
Change-Id: Iceeda5f03bc426dfab1e67cf508996d3fe96ac42
diff --git a/nfd.conf.sample.in b/nfd.conf.sample.in
index 908ad7b..fa229b4 100644
--- a/nfd.conf.sample.in
+++ b/nfd.conf.sample.in
@@ -92,7 +92,11 @@
port 6363 ; UDP unicast port number
enable_v4 yes ; set to 'no' to disable IPv4 channels, default 'yes'
enable_v6 yes ; set to 'no' to disable IPv6 channels, default 'yes'
- idle_timeout 600 ; idle time (seconds) before closing a UDP unicast face
+
+ ; idle time (seconds) before closing a UDP unicast face, the actual timeout would be
+ ; anywhere within [idle_timeout, 2*idle_timeout), default is 600
+ idle_timeout 600
+
keep_alive_interval 25; interval (seconds) between keep-alive refreshes
; UDP multicast settings