H3C S3610-28P Operation Manual page 1468

Operation Manual – DLDP
H3C S3610&S5510 Series Ethernet Switches
The packet is dropped if the setting of the interval for sending Advertisement
packets it carries conflicts with the corresponding local setting.
Other processes.
Table 1-5 Procedures for processing different types of DLDP packets
Packet type
Advertisement
packet with
RSY tag
Normal
Advertisement
packet
Flush packet
Probe packet
Echo packet
Disable packet
Processing procedure
If the corresponding neighbor entry does not
exist, creates the neighbor entry, triggers the
Retrieving the
Entry timer, and transits to Probe state.
neighbor
If the corresponding neighbor entry already
information.
exists, resets the Entry timer and transits to
Probe state.
If the corresponding neighbor entry does not
exist, creates the neighbor entry, triggers the
Retrieves the
Entry timer, and transits to Probe state.
neighbor
information.
If the corresponding neighbor entry already
exists, resets the Entry timer.
Determines If yes, no process is performed.
whether or not
the local port is
If not, removes the corresponding neighbor
in Disable
entry (if any).
state.
If the corresponding neighbor entry does not
exist, creates the neighbor entry, transits to
Retrieves the
Probe state, and returns Echo packets.
neighbor
If the corresponding neighbor entry already
information.
exists, resets the Entry timer and returns Echo
packets.
If the corresponding neighbor entry does not
exist, creates the neighbor entry, triggers the
Entry timer, and transits to Probe state.
The
Retrieves the
correspon
neighbor
ding
information.
neighbor
entry
already
exists
Check to see if If yes, no process is performed.
the local port is
in Disable
If not, the local port transits to Disable state.
state.
1-8
Chapter 1 DLDP Configuration
If the neighbor information it
carries conflicts with the
corresponding locally maintained
neighbor entry, drops the packet.
Otherwise, sets the flag of the
neighbor as two-way connected. In
addition, if the flags of all the
neighbors are two-way connected,
the device transits from Probe
state to Advertisement state and
disables the Echo timer.