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Cisco Catalyst Switch configuration and maintenance method. Today's Catalyst Switch topic discusses the introduction of the History st6000 series and the introduction of the Catalyst Switch 5000 Series. There is no difficulty. Hurry into the Wireless World. LAN switches have evolved from a HUB-based LAN shared in the traditional sense to a broader space. Take Cisco's ipvst5000 series LAN switch as an
understanding the Spanning Tree principle, we can have a specific purpose. The command to reconfigure the Cisco router is as follows: DispatchA # config terminal ! Select the ieee stp Spanning Tree Protocol. DispatchA (config) # bridge 1 protocol ieee ! Select the router at the master scheduling end as the root bridge. DispatchA (config) # bridge 1 priority 0 DispatchA (config) # interface ethernet0/0 DispatchA (config-if) # bridge-g
Cisco's Internet Operating System IOS) is a complex operating system optimized for the Internet. There are many IOS skills on the Internet, but most of the best skills are not enough to form a complete article. Today, I want to use one of the Chinese IT labs to describe five tips for using Cisco IOS. I believe these skills will definitely make the network administrators work more efficiently. Tip: simplify command input It can be asserted that almost
Basic information of the network The network topology is: The central switch uses Cisco Catalyst 4006-s3,supervisor Engine III G engine in the 1th slot, for three-layer exchange, 1 24-Port 1000base-t module in the 2nd slot, for connecting to the network server; The 1 Block 6 Port 1000base-x module is located in the 3rd slot for connecting 6 backbone switches. One switch uses Cisco Catalyst 3550-24-emi and
, reducing network complexity and improving server management capabilities and large-scale scalability. Each UCS rack server is equipped with a VIF interface card that provides two Gigabit Ethernet interfaces. using Cisco Network virtualization technology, it provides both management network interfaces and operating system network interfaces. FI is the old version of 6120, which is inconsistent with the new server version. Therefore, you need to set a
Overview of LAN switches LAN switches have evolved from a HUB-based LAN shared in the traditional sense to a broader space. Take Cisco's Catalyst 5000 Series LAN switch as an example. It includes an integrated switching hardware structure, 10-Mbps Ethernet that supports switching, and-Mbps Fast Ethernet, supports fast Ethernet, FDDI, exchange-type ring, and layer-3 switching processing. This type of switch can provide exchange access to workstations,
. 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-servergroupqycx123v1 Switch(config)#snmp-servergroupqycx123v2c Switch(config)#snmp-servergroupqycx123v3noauth B. Configure read-only and writable community respectively, for example
complete, you can use the "show vlan #" command to display a specific vlan information and verify VLAN parameters. For example:Switch # show vlan 3 2. configuration of multiple switchesTo allow a VLAN to span multiple switches, you must configure the trunk (trunk) to connect to these switches. Cisco requires that trunk protocols such as ISL be used on such trunk links, so the command to enable trunk protoc
[CISCO] NAT configuration full guide vronat NAT Function configuration introduction with the rapid development of the internet, the shortage of IP addresses has become a very prominent problem. A variety of solutions have emerged to solve this problem. The following describes an effective method in the current network environment: address translation (NAT. 1. NAT
I. Network DescriptionPC1 is connected to Cisco3550 F0/1 at a rate of 1 M;PC1 is connected to Cisco3550 F0/2 at a rate of 2 M;The G0/1 of Cisco3550 is the exit.Ii. Detailed configuration processNote: Each interface supports only one policy in each direction. One policy can be used for multiple interfaces. Therefore, the download speed limit of all PCs should be defined in the same policy (policy-map user-down in this
I. Network Description PC1 is connected to Cisco3550 F0/1 at a rate of 1 M;PC1 is connected to Cisco3550 F0/2 at a rate of 2 M;The G0/1 of Cisco3550 is the exit.Ii. Detailed configuration process Note: Each interface supports only one policy in each direction. One policy can be used for multiple interfaces. Therefore, the download speed limit of all PCs should be defined in the same policy (policy-map user-down in this
This article describes in detail how to configure the NTP time synchronization server, and takes CISCO 7200 as an example. I hope this article will help you. For the purpose of network management, we set up netflow to monitor traffic and obtain detailed access records for Intranet users to access the Internet. Such records can be accurate to seconds, the premise is that the time of the monitored vro or vswi
In the network operation, we will often take over some of the second-hand equipment, interface configuration needs to restore factory settings. I'll share it with the guys today. The Cisco Device Interface Configuration Cleanup command The default interface interface ID number, here is a Cisco router for
Configure the PPPoE configuration for connecting a CISCO router to an ADSLmodem through the PPPoE configuration: hostnamebjsite! Ipsubnet-zeronoipdomain-lookup! Vpdnenablenovpdnlogging! Vpdn-group1request-dialinprotocolpppoe! Interfaceethernet00ipaddh Configure PPPoE for connecting a CISCO router to an ADSL modem using
An instance of VLAN configuration for Cisco L3 switches and L2 SwitchesCisco VLAN implementation is usually port-centric. The port connected to the node determines the VLAN in which it resides. There are two ways to allocate a port to a VLAN: Static and Dynamic. The process of creating a static VLAN is to forcibly allocate the port to a VLAN. That is, we first create a VLAN on The VTP (VLAN Trunking Protoco
1. Security Configuration of vro Access Control1. strictly control the administrator who can access the vro. Record Filing is required for any maintenance.2. do not access the vro remotely. Even if you need to access the vro remotely, we recommend that you use the access control list and high-intensity password control.3. Strictly control access to CON ports. Specific measures include: A. if you can open the chassis, you can cut off the physi
1. Security Configuration of vro Access Control 1. strictly control the administrator who can access the vro. Record Filing is required for any maintenance. 2. do not access the vro remotely. Even if you need to access the vro remotely, we recommend that you use the access control list and high-intensity password control. 3. Strictly control access to CON ports. Specific measures include: A. if you can open the chassis, you can cut off the physical li
Configure PPPoE for connecting a CISCO router to an ADSL modem using the Cisco router: hostname bjsite! Ip subnet-zero no ip domain-lookup! Vpdn enable no vpdn logging! Vpdn-group 1 request-dialin protocol pppoe! Interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 ip nat inside no ip mroute-cache!!!! Interface Ethernet0/1 no ip address pppoe enable pppoe-client dial-pool-number 1! Www.2cto.com interf
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, deletion of VLANs and other configuration parameter
Router> Router>enable Router#configure Terminal Router (config) #archive Router (config-archive) #path Backup Destination address/Backup build file name Router (config-archive) #write-memory Example: Router (config-archive) #path flash:/ Backup destination path/$h-config Router (config-archive) #path ftp://IP address/$h-config Router (config-archive) #write-memory Where: The URL path of ' $h ' is automatically replaced with the hostname. "$h-config" i
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