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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
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Parameter Description
BSR Domain Border
Select to enable or disable the Bootstrap Router (BSR) domain border feature
here. The feature only takes effect when the interface is PIM enabled. Use this
feature on the interface that border with another domain to avoid the exchange of
BSR messages across two domains.
Click the Apply button to accept the changes made.
Click the Back button to return to the previous window.
PIM BSR Candidate
This window is used to display and configure the PIM BSR candidate settings. This feature only takes effect when the
interface has an IP address configured and is in the PIM sparse mode.
This feature causes the router to send bootstrap messages to announce the IP address of the designated interface as
the CBSR address. The hash mask is used by all routers within a domain, to map a group to one of the Rendezvous
Points (RP) from the matching set of group-range-to-RP maps (this set all have the same longest mask length and
same highest priority). The algorithm takes as an input the group address and the addresses of the candidate RPs
from the maps, and gives as an output one RP address to be used.
To view the following window, click L3 Features > IP Multicast Routing Protocol > PIM > PIM for IPv4 > PIM BSR
Candidate, as shown below:
Figure 6-90 PIM BSR Candidate Window
The fields that can be configured are described below:
Parameter Description
Interface Name
Enter the name of the interface here.
Hash Mask Length
Enter the hash mask length for RP selection here. The range is from 0 to 32. By
default, this value is 30.
Select the Default option to use the default value.
Priority
Enter the Candidate Bootstrap Router (CBSR) priority value here. The candidate
with the highest priority is preferred. If the priority values are the same, the router
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