Cisco2950 2960 basic Switch configuration command

Command for basic configuration of Cisco2950 vswitch

1. Configure the IP address

To be able to be managed by a network management switch, a management IP address must be assigned to it. By default, VLAN 1 of a CISCO switch is managed.

VLAN, Which is configured with an IP address for the VLAN, and the switch can be managed by the network. The command is as follows:

A. Go to global mode: Switch # configure terminal

B. Enter VLAN 1 interface mode: Switch (config) # interface vlan 1

C. Configuration Management ip address: Switch (config-if) # ip address [A. B .C.D] [mask]

If the current VLAN is not a management VLAN, you only need to replace the vlan number in the command section B above with the number in the management VLAN.

2. Enable the SNMP protocol

A. Go to global mode: Switch # configure terminal

B. Configure the read-only Community. The default value of the product's read-only Community is public.

Switch (config) # snmp-server community public ro

C. Configure writable Community. The default product writable Community name is private.

Switch (config) # snmp-server community private rw

3. Change the SNMP Community password.

A. Group devices and enable various Supported SNMP versions

Switch (config) # snmp-server group qycx123 v1

Switch (config) # snmp-server group qycx 123 v2c

Switch (config) # snmp-server group qycx123 v3 noauth

B. Configure read-only and writable community respectively, for example:

Switch (config) # snmp-server community qycx123 ro

Switch (config) # snmp-server community qycx123 rw

4. Save vswitch configurations

Switch # copy run start

Common commands

1. Set the vswitch Password

A. Change the remote TELNNET Password

Switch # configure terminal

Switch (config) # line vty 0 4

Switch (config-line) # password qycx123

Switch (config-line) # login

Switch (config-line) # exit

B. Change the password when entering the global configuration mode.

Switch # configure terminal

Switch (config) # enable secret qycx123

2. Create and divide VLANs

A. Create a VLAN

Switch # vlan database

Switchvlan) # vlan 99 name office

(Create vlan 99 and name it office)

B. Divide ports into VLANs

Switch (config) # interface fastEthernet 0/8

Switch (config-if) # switchport mode access

Switch (config-if) # switchport access vlan 99

(Divide the 8-day fast Ethernet port into vlan 99)

3. Common Debugging commands

A. display all the configuration commands: Switch # show run

B. Display All interface statuses: Switch # show ip int brief

C. Display All VLAN information: Switch # show vlan brief

This article from the "Lee _ Tony" blog, please be sure to keep this source http://tonyping.blog.51cto.com/7725720/1271669