Branch switches.The Cisco switch can support any media as a trunk line. To achieve relay, you can use its unique isl tag. Isl (inter-switch link) is a protocol for transmitting vlan information and vlan data streams between switches, between switches and routers, and between switches and servers, by configuring isl encapsulation on the port directly connected to
compatible with all Catalyst 6500 superengines;
Longest normal network running time, system elasticity-Support for Cisco enhanced VLAN per Virtual Network) spanning tree and PVST +) protocol, IEEE 802.1w fast Spanning Tree Protocol RSTP) and IEEE 802.1s Multiple Spanning Tree MST) protocols, each VLAN fast Spanning Tree PVRST) protocol, hot backup router protocol HSRP), virtual router redundancy protocol V
1). Configure the VLAN Port Number of the switch named Switch1 as follows:
Switch1(config)#int e0/2Switch1(config-if)#vlan-membership static 2Switch1(config-if)#int e0/3Switch1(config-if)#vlan-membership static 2Switch1(config
Cisco switch by default.
But it can be implemented with only one command, namely: 3550 # terminal monitor. In order to experience the actual effect, we can open two DOS windows on our PC and log on to the same Cisco switch through TELNET.
One is used for monitoring, and the other is used to perform specific operations
In the complex network environment today, the switch has become indispensable, so the switch manufacturers also develop quickly, here to take Cisco to give us a simple exchange! Cisco: Cisco; A simple introduction: Cisco is the wo
Configure allows access to existing configuration patterns, maintaining and saving configuration information on the central site
Configure Memory load configuration information from NVRAM
Configure Terminal manual configuration from a terminal
Connect open a terminal connection
Copy replication configuration or image data
Copy Flash TFTP backup system image file to TFTP server
Copy Running-config St
asked the boss, and he did not know it. It is said that the password was changed by the supplier. So the phone supplier asked the password for a long time and got a reply: at that time, the changed employee quit, and now he does not know the password .... dizzy .. too irresponsible .. there is no way to ask for your own, for your own, for google... (Although I have learned how to restore the password of a Cisco router before, but the vswitch and vro
not appear in the Cisco switch by default.
But it can be implemented with only one command, namely: 3550 # terminal monitor. In order to experience the actual effect, we can open two DOS windows on our PC and log on to the same Cisco switch through TELNET.
One is used for monitoring, and the other is used to perform s
Lab Environment:650) this.width=650; "alt=" Cisco Packet Tracert three-tier switch VLAN configuration-Ibm.chick-mingkang.zhou "src=" Http://img2.ph.126.net/2N Qfixjyba1gdiqtbuknhq==/6630601572768576164.png "style=" border:0px;height:auto;margin:0px 10px 0px 0px; "/>Experimental Purpose:1, the three layer switch divides three VLANs, is Vlan2\vnal3\vlan4, and the V
domain COM settings vtp admin domain name com
PAR2 (VLAN) #vtp client to set the switch to clients mode
Par3#vlan database into VLAN configuration mode
PAR3 (VLAN) #vtp domain COM settings vtp admin domain name com
PAR3 (VLAN) #vtp client to set the switch to clients mode
Note: Setting the switch to server mode is to allow the creation, modification, deleti
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
Basic configuration and management of the Cisco PT Simulation Experiment (1) switchExperimental Purpose : Master the basic configuration and management of the switch, and understand the basic commands of the switch configuration. Experimental background : A company has a new batch of two-layer switch, before formally p
: On the emulator, you cannot use the show port-security command on a layer 3 switchPC Settings 192.168.1.2//pc0192.168.1.3//pc1192.168.1.4//pc2192.168.1.5//pc3//Subnet mask and gateway 255.255.255.0 192.168.1.1PC (Command prompt cmd) ipconfig//view MAC address of 4 PCs separatelySwitch0 configuration switch>enswitch#conf tswitch (config) #inter rang f0/1-22switch (conf
The detailed steps for restoring the password of a Cisco switch are illustrated. If the password of a Cisco switch is improperly restored, the password will be lost. Today, we will contact the steps for restoring the password of a Cisco
1. Unplug the power cord of the vswitch, press the switch Mode button, and re-plug the power cord of the vswitch. Release the Mode button after the LEDs on Port 1x are off.
2. For the Catalyst 2940/2950 L series:
Unplug the power cord of the switch, hold down the Mode button of the switch, and re-plug the power cord of the sw
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
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