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-rw-r--r--cmd/Kconfig4
1 files changed, 3 insertions, 1 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig
index b2d0348fe30..1d7ddb4ed36 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -2016,7 +2016,9 @@ config CMD_PING6
config CMD_CDP
bool "cdp"
help
- Perform CDP network configuration
+ The cdp command is used to announce the U-Boot device in the network
+ and to retrieve configuration data including the VLAN id using the
+ proprietary Cisco Discovery Protocol (CDP).
config CMD_SNTP
bool "sntp"