SNR S2940-8G-v2 Switch Configuration Guide
The Number Limitation Function of MAC and IP in Port, VLAN Configuration
On port 1/0/1 of SWITCH A, set the max number can be learnt of dynamic MAC address as
20, dynamic ARP address as 20, NEIGHBOR list entry as 10. In VLAN 1, set the max number of
dynamic MAC address as 30, of dynamic ARP address as 30, NEIGHBOR list entry as 20.
SWITCH A configuration task sequence:
Switch(config)#interface ethernet 1/0/1
Switch(Config-If-Ethernet1/0/1)#switchport mac-address dynamic maximum 20
Switch(Config-If-Ethernet1/0/1)#switchport arp dynamic maximum 20
Switch(Config-If-Ethernet1/0/1)#switchport nd dynamic maximum 10
Switch(Config-if-Vlan1)#vlan mac-address dynamic maximum 30
46.4 The Number Limitation Function of MAC and IP in Port,
VLAN Troubleshooting Help
The number limitation function of MAC and IP in Port, VLAN is disabled by default, if users need to
limit the number of user accessing the network, they can enable it. If the number limitation function
of MAC address can not be configured, please check whether Spanning-tree, dot1x, TRUNK is
running on the switch and whether the port is configured as a MAC-binding port. The number
limitation function of MAC address is mutually exclusive to these configurations, so if the users
need to enable the number limitation function of MAC address on the port, they should check
these functions mentioned above on this port are disabled.
If all the configurations are normal, after enabling the number limitation function of MAC and
IP in Port, VLAN, users can use debug commands to debug every limitation, check the details
of number limitations and judge whether the number limitation function is correct. If there is any
problem, please sent result to technical service center.
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