D-Link xStack DXS-3350SR Installation & User Manual - Ip Multicasting
DXS-3350SR Gigabit Layer 3 Switch
IP Multicasting
The functions supporting IP multicasting are added under the IP Multicast Routing Protocol folder, from the Layer 3 IP
Networking folder.
IGMP Snooping, DVMRP, and PIM-DM can be enabled or disabled on the Switch without changing the individual
protocol’s configuration.
IGMP Interface Configuration
The Internet Group Multicasting Protocol (IGMP) can be configured on the Switch on a per-IP interface basis. To view the
IGMP Interface Table, open the IP Multicast Routing Protocol folder under Configuration and click IGMP Interface
Settings. Each IP interface configured on the Switch is displayed in the below IGMP Interface Table dialog box. To
configure IGMP for a particular interface, click the corresponding hyperlink for that IP interface. This will open another
IGMP Interface Configuration window:
Figure 6- 110. IGMP Interface Configuration Table
Figure 6- 111. IGMP Interface Configuration window
This window allows the configuration of IGMP for each IP interface configured on the Switch. IGMP can be configured as
Version 1 or 2 by toggling the Version field using the pull-down menu. The length of time between queries can be varied by
entering a value between 1 and 65535 seconds in the Query Interval field. The maximum length of time between the
receipt of a query and the sending of an IGMP response report can be varied by entering a value in the Max Response Time
field.
The Robustness Variable field allows IGMP to be ‘tuned’ for sub-networks that are expected to lose a lot of packets. A
high value (max. 255) for the robustness variable will help compensate for ‘lossy’ sub-networks. A low value (min. 2)
should be used for less ‘lossy’ sub-networks.
174