The vpn-mapping enable command enables the function of correcting inconsistent VPN instance IDs based on the VPN instance mapping table.
The undo vpn-mapping enable command disables the function of correcting inconsistent VPN instance IDs based on the VPN instance mapping table.
This command is supported in V600R007C20SPC500 and later versions.
By default, the function of correcting inconsistent VPN instance IDs based on the VPN instance mapping table is enabled.
In hot standby networking, the VPN instance mapping table is backed up every 24 hours. The backup session entries and server map entries contain VPN IDs. To make sure that the VPN IDs of the active and standby devices are consistent and entries are successfully backed up, you can enable this function to ensure consistent VPN instance IDs on the devices.