HP Mellanox SX1018 Mellanox MLNX-OS® User Manualfor SX1018HP Ethernet - Page 73

Configuring IGMP Snooping, Defining a Multicast Router Port on a VLAN

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Rev 1.6.9 ticast-group by sending a join request message towards the network router, and responds to queries sent from the network router by dispatching a join report. A given port can be either manually configured to be a router-port or it can be dynamically manifested when having received a query, hence, the network router is connected to this port. All IGMP Snooping Control packets received from hosts (joins / leaves) are forwarded to the routerport, and the router-port will update its multicast-group data-base accordingly. Each dynamically learnt multicast group will be added to all of the router-ports on the switch. As many as 5K multicast groups can be created on the switch. 5.6.1 Configuring IGMP Snooping You can configure IGMP snooping to establish multicast group memberships.  To configure IGMP snooping: Step 1. Log in as admin. Step 2. Enter config mode. Run: switch > enable switch # configure terminal Step 3. Enable IGMP snooping globally. Run: switch (config) # ip igmp snooping switch (config) # Step 4. Enable IGMP snooping on a VLAN. Run: switch (config) # vlan 2 switch (config vlan 2) # ip igmp snooping 5.6.2 Defining a Multicast Router Port on a VLAN You can define a Multicast Router (MRouter) port on a VLAN in one of the following methods:  To change the Interface Switchport to Trunk: Step 1. Log in as admin. Step 2. Enter config mode. Run: switch > enable switch # configure terminal Step 3. Enable IGMP snooping globally. Run: switch (config) # ip igmp snooping switch (config) # Step 4. Change the interface switchport mode of the port (the interface is member of VLAN 1 by default). Run: switch (config) # interface ethernet 1/1 switch (config interface ethernet 1/1) # switchport mode trunk Step 5. Change back to config mode. Run: switch (config interface ethernet 1/1) # exit switch (config) # Mellanox Technologies 73 Mellanox Technologies Confidential

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Rev 1.6.9
Mellanox Technologies
73
Mellanox Technologies Confidential
ticast-group by sending a join request message towards the network router, and responds to que-
ries sent from the network router by dispatching a join report.
A given port can be either manually configured to be a router-port or it can be dynamically man-
ifested when having received a query, hence, the network router is connected to this port. All
IGMP Snooping Control packets received from hosts (joins / leaves) are forwarded to the router-
port, and the router-port will update its multicast-group data-base accordingly. Each dynamically
learnt multicast group will be added to all of the router-ports on the switch.
As many as 5K multicast groups can be created on the switch.
5.6.1
Configuring IGMP Snooping
You can configure IGMP snooping to establish multicast group memberships.
To configure IGMP snooping:
Step 1.
Log in as admin.
Step 2.
Enter config mode. Run:
Step 3.
Enable IGMP snooping globally. Run:
Step 4.
Enable IGMP snooping on a VLAN. Run:
5.6.2
Defining a Multicast Router Port on a VLAN
You can define a Multicast Router (MRouter) port on a VLAN in one of the following methods:
To change the Interface Switchport to Trunk:
Step 1.
Log in as admin.
Step 2.
Enter config mode. Run:
Step 3.
Enable IGMP snooping globally. Run:
Step 4.
Change the interface switchport mode of the port (the interface is member of VLAN 1 by
default). Run:
Step 5.
Change back to config mode. Run:
switch > enable
switch # configure terminal
switch (config) # ip igmp snooping
switch (config) #
switch (config) # vlan 2
switch (config vlan 2) # ip igmp snooping
switch > enable
switch # configure terminal
switch (config) # ip igmp snooping
switch (config) #
switch (config) # interface ethernet 1/1
switch (config interface ethernet 1/1) # switchport mode trunk
switch (config interface ethernet 1/1) # exit
switch (config) #