D-Link DXS-3600 Series Reference Manual page 576

DXS-3600 Series Layer 3 Managed 10Gigabit Ethernet Switch Web UI Reference Guide
Parameter
Max PDU Length
Initial Backoff
Max Backoff
Transport Address
Keep-Alive Time
Link Hello Interval
Link Hello Hold Time
Distribution Method
LSP Control Mode
Label Retention Mode
Description
In this field the LDP feature's maximum PDU length value will be
displayed.
Enter the initial back-off delay time here. The LDP back-off delay time
is a mechanism to prevent an endless sequence of session setup
failures that occur between two LSRs with incompatible settings. The
range is from 15 to 65535 seconds. Select the Default option to use
the default value, which is 15 seconds.
Enter the maximum back-off delay time here. The range is from 120 to
65535 seconds. Select the Default option to use the default value,
which is 600 seconds.
Enter the transport IPv4 address here. The transport address is used
to establish a LDP TCP connection. Select the Default option to use
the default setting. Selecting the Interface option specifies to use the
IP address of the corresponding interface as the transmission address
for the session on each interface.
Enter the keep-alive time value here. LDP maintains a keep-alive hold
timer for each peer session. If the keep-alive hold timer expires without
receipt of an LDP PDU from the peer, LDP terminates the LDP
session. The range is from 15 to 65535 seconds. Select the Default
option to use the default value, which is 40 seconds.
Enter the link hello interval value here. The range is from 1 to 65535
seconds. Select the Default option to use the default value, which is 5
seconds.
Enter the link hello hold time value here. The range is from 5 to 65535
seconds. Select the Default option to use the default value, which is
15 seconds.
Select the distribution method here. Options to choose from are DU
and DoD.
•
DU: Specifies the downstream unsolicited distribution mode.
•
DoD: Specifies the downstream on-demand distribution mode.
If the mode is configured as Downstream-on-Demand mode, the
downstream LSR advertises a label mapping when an upstream
connection makes an explicit request. If the mode is configured as
Downstream-Unsolicited mode, the downstream LSR advertises a
label mapping when a label is learned in the routing table.
Select the Default option to use the default setting, which is DU.
Select the Label-Switched Path (LSP) control mode here. Options to
choose from are Independent and Ordered. In Independent LSP
Control mode, each LSR independently binds a label to a Forwarding
Equivalence Class (FEC) and distributes the binding to its label
distribution peers. In Ordered LSP Control mode, an LSR only binds a
label to a FEC if it is the egress LSR for that FEC, or if it has already
received a label binding for that FEC from its next hop for that FEC.
Select the Default option to use the default setting, which is
Independent.
Select the label retention mode here. Options to choose from are
Liberal and Conservative. If the label distribution method is
Downstream-Unsolicited and the label retention mode is conservative,
once the LSR received label bindings from LSRs which are not its next
hop for that FEC, it discards such bindings. If the label retention mode
is liberal, it maintains such bindings. It helps to speed up the setup of
LSP in case there is a change in the next hop.
Select the Default option to use the default setting, which is Liberal.
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