cisco switch vlan commands

. Breakthrough Cisco switch cluster technology You can use the new Cisco switch cluster technology to achieve scalability and manageability beyond the stack. You can configure any Catalyst 3500 XL series or 2900 XL series standard or enterprise switch as a "command"

Introduction after you log in to the CISCO switch, we will need to use some common operations, such as querying, restarting, and so on, where some of the commonly used operations are grouped together. Query HelpIn different modes, we can enter the question mark directly (? You can query all the commands that you can use in the current mode. When entering a com

the switch is started, press Enter to get a user prompt. Press Enter for the following time: After a vswitch is enabled, the following message is displayed: Cisco switch password recovery Cisco switch password recovery code When this line appears, the

Cisco switch initialization ManagementTo properly manage and simplify troubleshooting, the following parameters should be configured during initial installation: 1. system name 2. manage ip configuration 3. clock and ntp settings 4. telnet and SSH access configuration 5. DNS6. system log 7. snmp is used to configure the switch system name on the

, midrange, and high-end of the network, respectively. Here are a few of the products for each series: 1, low-end products First of all say low-end products, 1900 and 2900 are low-end products typical. In fact, in the low-end switch market, Cisco does not occupy a particular advantage, because the 3Com, DLink and other companies have a better performance price ratio of products. The 1900

Cisco switch iOS upgrade, actually quite simple, but need to note is, can not let the switch flash storage is empty, must have an iOS in, or no iOS in Flash, waiting to upload iOS with Xmodem, so your time can be a lot of waste ah. Because the Rommon mode is not available for the Cisco Catalyst 2950, 2960, 3550

Access-enable allows routers to create temporary access list entries in the Dynamic access list Access-group applies access control lists (ACLs) to interfaces Access-list defines a standard IP ACL Access-template manually replace the temporary access list entry on the attached router APPN send commands to the APPN subsystem Atmsig Execute ATM Signaling command B manually boot the operating system Bandwidth set the bandwidth of the interface Ba

First, switch configuration snmp-server Community public roSnmp-server Enable trapsSnmp-server Host *.*.*.* version 2c publicsnmp-server trap-source VLAN 1Two, Nagios server configurationDownload check_traffic.sh script, chech_traffic.sh not nagios-plugins comes with plug-in, need to download it yourself.chmod 777 check_traffic.sh Giving script execution permissions 1. Get the index information for the

We have explained a lot about the configurations of CISCO switches. Here we will mainly explain the port security configurations of CISCO 3550 switches. Scenario: There is a CISCO3550 switch in a certain unit. For the sake of network security, the security requirements for some ports are high, that is, only the specified host can be connected, for example, if you

Configuration of a layer-3 Cisco switch 1. Start a route on a layer-3 switch. Otherwise, layer-3 switch does not have the routing function switch (config) # ip routing2. Configure the VLAN ip address

----------- --------------------------------------------------------GI1/0/1 Ip-mac INACTIVE-NO-SNOOPING-VLANGI1/0/2 Ip-mac Active Deny-all deny-all 24GI1/0/3 Ip-mac INACTIVE-NO-SNOOPING-VLANGI1/0/4 Ip-mac Active Deny-all deny-all 24GI1/0/5 Ip-mac Active Deny-all Deny-all 24GI1/0/6 Ip-mac Active deny-all deny-all 24GI1/0/7 ip-mac AC tive 172.16.24.150 a4:4c:c8:10:63:ee 24gi1/0/8 ip-mac INACTIVE-NO-SNOOPING-VLANGI1/0/9 Ip-mac Active Deny-all deny-all 24GI1/0/10 ip-mac IN

): can only receive or send bpdus messages learning (learning) : can receive or send BPDU Message, and form mac forwarding (Forwarding) : can receive or send BPDU Message, and form mac Address table, send and receive data frames simultaneously STP Convergence: All ports on the switch are converted to forwarding or blocking mode, which takes 50 seconds by default. The

Cisco L3 switch Policy Routing for network access and Traffic DistributionI. Description of the solution environment 1. There are two groups of Group1 and Group2 in the environment, respectively, to access the Internet from two different network outlets. 2. The core network is a Cisco 3560G layer-3 Switch with four VLA