Specifications

xStack DGS-3400 Series Layer 2 Gigabit Managed Switch CLI Manual
config router_ports_forbidden
[add | delete] - Specifies whether to add or delete forbidden ports of
the specified VLAN.
<portlist> − Specifies a range of ports that will be configured as
forbidden router ports. The port list is specified by listing the lowest
switch number and the beginning port number on that switch,
separated by a colon. Then the highest switch number, and the
highest port number of the range (also separated by a colon) are
specified. The beginning and end of the port list range are separated
by a dash. For example, 1:3 specifies switch number 1, port 3. 2:4
specifies switch number 2, port 4. 1:3-2:4 specifies all of the ports
between switch 1, port 3 and switch 2, port 4 − in numerical order.
Non-contiguous portlist entries are separated by a comma. (ex: 1:1-
1:3,1:7-1:9)
Restrictions Only administrator-level users can issue this command.
Example usage:
To set up forbidden router ports:
DGS-3400:4#config router_ports_forbidden default add 1:2-1:10
Command: config router_ports_forbidden default add 1:2-1:10
Success.
DGS-3400:4#
enable igmp_snooping
Purpose Used to enable IGMP snooping on the Switch.
enable igmp_snooping {forward_mcrouter_only}
Description This command allows users to enable IGMP snooping on the Switch.
If forward_mcrouter_only is specified, the Switch will only forward all
multicast traffic to the multicast router, only. Otherwise, the Switch
forwards all multicast traffic to any IP router.
Parameters
forward_mcrouter_only − Specifies that the Switch should only
forward all multicast traffic to a multicast-enabled router. Otherwise,
the Switch will forward all multicast traffic to any IP router.
Restrictions Only administrator-level users can issue this command.
Syntax
Example usage:
To enable IGMP snooping on the Switch:
DGS-3400:4#enable igmp_snooping
Command: enable igmp_snooping
Success.
DGS-3400:4#
151
disable igmp_snooping
Purpose Used to enable IGMP snooping on the Switch.
Syntax
disable igmp_snooping {forward_mcrouter_only}
Description This command disables IGMP snooping on the Switch. IGMP
i b di bl d l if IP lti t ti i t b i