![](/images/new-backgrounds/1299835/299835167x1.webp)
Default Setting
None
Command Mode
Global Config
This command adds the <protocol> to the
Syntax
switchport protocol group add protocol
arp - ARP protocol. ipx - IPX protocol.
no - This command removes the <protocol> from this
Default Setting
None
Command Mode
Global Config
5.2.3.17switchport forbidden vlan
This command used to configure forbidden VLANs.
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