Specifications
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DCS-3950 series Ethernet switch manual
7.2.2.2.2 ip address
Command: ip address <ip-address> <mask> [secondary]
no ip address [<ip-address> <mask>] [secondary]
Function: Set the IP address and mask for the switch; the ‘no ip address [<ip-address>
<mask>][secondary]’ command deletes the specified IP address setting.
Parameters: <ip-address> is the IP address in decimal format; <mask> is the subnet
mask in decimal format; [secondary] indicates the IP configured is a secondary IP
address.
Command mode: VLAN Interface Mode
Default: No IP address is configured by default.
Usage Guide: This command configures the IP address for VLAN interface manually. If
the optional parameter secondary is not present, the IP address will be the primary IP of
the VLAN interface, otherwise, the IP address configured will be the secondary IP address
for the VLAN interface. A VLAN interface can have one primary IP address but multiple
secondary IP addresses. Both primary IP address and secondary IP addresses can be
used for SNMP/Web/Telnet management. In addition, DCS-3950 allows IP addresses to
be obtained through BootP/DHCP.
Example: Set the IP address as 192.168.1.10/24.
Switch(Config-If-Vlan1)#ip address 192.168.1.10 255.255.255.0
7.2.2.2.3 shutdown
Command: shutdown
no shutdown
Function: Shut down the specified VLAN Interface; the ‘no shutdown’ command opens
the VLAN interface.
Command mode: VLAN Interface Mode .
Default: VLAN Interface is enabled by default.
Usage Guide: When VLAN interface is shutdown, no data frames will be sent by the
VLAN interface. If the VLAN interface needs to obtain IP address via BootP/DHCP
protocol, it must be enabled.
Example: Enable VLAN1 interface of the switch. Switch (Config-If-Vlan1)#no shutdown
7.2.3 Port Mirroring Configuration
7.2.3.1 Introduction to Port Mirroring
Port mirroring refers to the duplication of data frames sent/received on a port to
another port. The duplicated port is referred to as mirror source port and the duplicating
port is referred to as mirror destination port. A protocol analyzer (such as Sniffer) or