The anti-ddos source-ip detect ttl command specifies the TTL detection difference of the source authentication.
The undo anti-ddos source-ip detect ttl command restores the default configuration.
anti-ddos source-ip detect ttl ttl-value
undo anti-ddos source-ip detect ttl
System view
2: Configuration level
None
# Set the TTL value of the source authentication to 3.
<sysname> system-view [sysname] anti-ddos source-ip detect ttl 3