Huawei Quidway S5600 Series - Page 208

Operation Manual - DLDP
Quidway S5600 Series Ethernet Switches-Release 1510 Chapter 1
DLDP Configuration
Huawei Technologies Proprietary
1-5
Table 1-3 DLDP operating mode and neighbor entry aging
DLDP
operating
mode
Whether DLDP
probes neighbor
during neighbor
entry aging
Whether entry aging
timer is enabled
during neighbor entry
aging
Whether enhanced
timer is enabled
when entry aging
timer expire
Normal
mode
No
Yes (the neighbor entry
ages after the entry
aging timer expires)
No
Enhanced
mode
Yes
Yes (the enhanced
timer is enabled after
the entry aging timer
expires)
Yes (When the
enhanced timer
expires, the local end
is set to single pass
status, and the
neighbor entry ages)
IV. DLDP implementation
1) If the DLDP-enabled link is up, DLDP sends DLDP packets to the peer device, and
analyses and processes DLDP packets received from the peer device. DLDP in
different status sends different packets.
Table 1-4 Types of packets sent by DLDP
DLDP status Packet types
Active Advertisement packets, including those with or without RSY tags
Advertisement Advertisement packets
Probe Probe packets
2) DLDP analyzes and processes received packets as follows:
z In authentication mode, DLDP authenticates the packets, and discards those do
not pass the authentication.
z DLDP processes the received DLDP packets.
Table 1-5 Process received DLDP packets
Packet type Processing procedure
If this neighbor entry does not exist on the
local device, DLDP creates the neighbor entry,
enables the entry aging timer, and turns to
probe status.
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packet
Extract neighbor
information
If the neighbor entry already exists on the local
device, DLDP refreshes the entry aging timer.
Flush packet Delete the neighbor entry from the local device