D-Link DI-1750 Reference Manual page 314

Take the first command for an example.：
In the parameter prompt select 17 option ，prompt is as below:
(00)access-group
......
(15)pim-dm
......
Please Input the code of command to be excute(0-22): 15
input 15，Select pim-dm option ，prompt is as below:
(00)dr-priority
......
(04)neighbor-filter
......
Please Input the code of command to be excute(0-5): 4
input 4，Select neighbor-filter option ,prompt is as below:
(00)WORD
Please Input the code of command to be excute(0-0): 0
input 0，Select WORD option ，prompt is as below:
Please input a string:
input string.
7.3.5 Configure DR Priority
To be the same with IGMP v1, you should perform DR select ing. Router DR priority is 1 by default.
When all PIM neighbor on the port support DR priority, the most prior become DR. If priorities are the
same, the one has the maximum port ID become DR. If there are some routers no informing its priority
in hello message, in case of many routers, the router has the maximum port ID become DR.
This command is performed in port configure:
Command
ip pim-dm dr-priority
In the parameter prompt select 17 option ，prompt is as below:
(00)access-group
......
(15)pim-dm
......
Please Input the code of command to be excute(0-22): 15
input 15，Select pim-dm option ，prompt is as below:
(00)dr-priority
(01)hello-interval
......
Please Input the code of command to be excute(0-5): 0
input 0，Select dr-priority option ,prompt is as below:
(00)<0-4294967294>
Please Input the code of command to be excute(0-0): 0
input 0，prompt is as below:
Please input a digital number:
input number.
7.3.6 Clear (S,G) information
In normal case, you may need to clear (S,G) item in local MRT or to clear the statistics of messages
forwarded through (S,G) item. Use the following command in management directory:
Model Name
Specify access control for packets
PIM-DM interface commands
PIM-DM router DR priority
PIM-DM peering filter
IP Named Standard Access list
Configure local router DR priority on the
specified port.
Specify access control for packets
PIM-DM interface commands
PIM-DM router DR priority
PIM-DM router send hello interval
DR priority
Purpose
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