D-Link DGS-3630-52PC User Manual 1 - Page 338

PIM SPT Threshold Settings, PIM SSM Settings

Page 338 highlights

DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide PIM SPT Threshold Settings This window is used to display and configure the PIM SPT threshold settings. Use this feature on the last hop of the router. In the PIM-SM mode, initially the multicast traffic from the source will be flowing along the RPT share tree to the receiver. After the first packet arrives at the last hop router, for each group of traffic, it can operate in one of the following two modes. With the mode Infinity, the traffic keeps following the share tree. With the mode 0, the source tree will be established and the traffic Switchover to the source tree. To view the following window, click L3 Features > IP Multicast Routing Protocol > PIM > PIM for IPv4 > PIM SPT Threshold Settings, as shown below: Figure 6-119 PIM SPT Threshold Settings Window The fields that can be configured are described below: Parameter SPT Threshold Description Select the SPT threshold option here. Options to choose from are 0 and Infinity. • 0 - Specifies to establish the source tree right at the arrival of the first packet. • Infinity - Specifies to always rely on the shared tree. Select the Default option to use the default setting, which is Infinity. Click the Apply button to accept the changes made. PIM SSM Settings This window is used to display and configure the PIM SSM settings. Use this feature on the last hop of the router only. When SSM is enabled, the last hop router will initiate to establish a source-based tree for the channel (S,G) on receiving a IGMPv3 include (S, G) request that falls in the SSM range from the attached hosts. To view the following window, click L3 Features > IP Multicast Routing Protocol > PIM > PIM for IPv4 > PIM SSM Settings, as shown below: Figure 6-120 PIM SSM Settings Window The fields that can be configured are described below: Parameter Multicast Group Address Name Description Enter the standard IP access list name here that defines the user-specified SSM group addresses. The group address should be defined in the destination IP address field of the rule entry. Alternatively, click the Show List button to find and select any of the exiting access lists configured on this Switch to be used in this configuration. Selecting the Default SSM Group (232.0.0.0/8) 326

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DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide
326
PIM SPT Threshold Settings
This window is used to display and configure the PIM SPT threshold settings. Use this feature on the last hop of the
router. In the PIM-SM mode, initially the multicast traffic from the source will be flowing along the RPT share tree to
the receiver. After the first packet arrives at the last hop router, for each group of traffic, it can operate in one of the
following two modes. With the mode
Infinity
, the traffic keeps following the share tree. With the mode
0
, the source
tree will be established and the traffic Switchover to the source tree.
To view the following window, click
L3 Features > IP Multicast Routing Protocol > PIM > PIM for IPv4 > PIM SPT
Threshold Settings
, as shown below:
Figure 6-119 PIM SPT Threshold Settings Window
The fields that can be configured are described below:
Parameter
Description
SPT Threshold
Select the SPT threshold option here. Options to choose from are
0
and
Infinity
.
0
- Specifies to establish the source tree right at the arrival of the first
packet.
Infinity
- Specifies to always rely on the shared tree.
Select the
Default
option to use the default setting, which is
Infinity
.
Click the
Apply
button to accept the changes made.
PIM SSM Settings
This window is used to display and configure the PIM SSM settings. Use this feature on the last hop of the router only.
When SSM is enabled, the last hop router will initiate to establish a source-based tree for the channel (S,G) on
receiving a IGMPv3 include (S, G) request that falls in the SSM range from the attached hosts.
To view the following window, click
L3 Features > IP Multicast Routing Protocol > PIM > PIM for IPv4 > PIM SSM
Settings
, as shown below:
Figure 6-120 PIM SSM Settings Window
The fields that can be configured are described below:
Parameter
Description
Multicast Group Address
Name
Enter the standard IP access list name here that defines the user-specified
SSM group addresses. The group address should be defined in the destination
IP address field of the rule entry. Alternatively, click the
Show List
button to
find and select any of the exiting access lists configured on this Switch to be
used in this configuration. Selecting the
Default SSM Group (232.0.0.0/8)