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filled, otherwise it will not be able to resolve the IP address, although the computer shows that the Internet is already available, but only through the IP address to access the extranet) Service->dns DNS forwarding interface, ADD Listen interface ,-> switch0.10 Interface, add Listen Interface,-> switch0.20 (add all VLAN ports) (Original sticker Change the interface from Switch0 to
A typical LAN is to connect a core switch with a layer-3 Switch to several Branch switches (not necessarily with layer-3 switching ). We assume that the core switch name is com, and the Branch switches are par1, par2, and par3 respectively, which are connected to the core switch through the light module of port 1; assu
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
Company for business needs, commissioning network Netgear GS728TP Poe switch, Partition VLAN and other services, after all debugging is complete. Again habitually save restart the device. Results after this reboot. The inexplicable wonderful ping does not pass the address of the management switch. Not to mention using
OneSecond, IP planningpc0:192.168.0.100 255.255.255.0pc1:192.168.0.110 255.255.255.0pc2:192.168.0.120 255.255.255.0laptop0:192.168.0.200 255.255.255.0laptop0:192.168.0.210 255.255.255.0Third, the Operation procedure1) Enable--Enter privileged mode2) Conf T--Enter global configuration mode3) VLAN 100--Create VLAN4) name Huawei_u2000_sdh_nanan--Flag VLAN Name5) Int F0/1--Enter
* Vlan configuration ideas (access and Trunk) (1) create a Vlan and configure a static VLAN on an IOS-based switch: switch # vlandatabaseswitch (vlan) # vlanvlan-numnamevlan-nameswitch (vlan
1. Networking requirements: 1. switchA and SwitchB use trunk for interconnection. Mutual access is allowed between PCs with the same VLAN. Mutual access is prohibited between PCs with different VLANs. PC1 and PC2 are located in different VLANs. You can set the IP address of VLAN Interface 10 of the SwitchB layer-3 Switch to 10.1.1.254/24, when the IP address of
Many SME internal network structures are simple, with only one switch connecting all employees and servers together and then accessing the Internet through fiber optics. Of course, in order to ensure the security of some hosts and split the internal broadcast packet to improve the network transmission speed, take such as partition VLAN, the allocation of different subnets to achieve. By partitioning VLANs,
Cisco's VLAN implementations are typically port-centric. The port connected to the node will determine the VLAN on which it resides. There are two ways to assign a port to a VLAN, which is static and dynamic, respectively. The process of forming a static VLAN is the process of assigning a port to a
A typical LAN is to connect a core switch with a layer-3 Switch to several Branch switches (not necessarily with layer-3 switching ). We assume that the core switch name is com, and the Branch switches are par1, par2, and par3 respectively, which are connected to the core switch through the light module of port 1; assu
* Vlan configuration ideas (access and Trunk) (1) create a Vlan and configure a static VLAN on an IOS-based switch: switch # vlandatabaseswitch (vlan) # vlanvlan-numnamevlan-nameswitch (vlan
Basic knowledge of VLAN division experiment: VLAN is short for Virtual Local Area Network (VLAN), which is a logical Network divided on a physical Network. This network corresponds to the L2 network of the ISO model. VLAN division is not limited by the actual physical location of the network port. A
Switch VLAN, TRUNK ,VTP configuration1. Configure the IP address of the CISCO two layer switch (Catalyst 2950 for example )SW1 (config) #int vlan 1//Enter the management interface interface VLAN 1SW1 (config-if) #ip address 11.1.1.2 255.255.255.0//Configure IP AddressSW1 (co
Technical standards for VLANs IEEE 802.1Q was formally promulgated by IEEE Commissioners in June 1999, and the earliest Vlna technology was proposed by Cisco (Cisco) companies in 1996. With the development of the past few years, VLAN technology has been widely used in large and small enterprise networks, becoming the most popular Ethernet LAN technology at present. This article is going to introduce one of the most common
First, the generation of Super VLAN backgroundIsolate-user-vlan successfully solved the problem of reducing the number of VLANs, and also realized the sharing of three-layer gateways to some extent. But it also has a problem with MAC address duplication that consumes MAC address table entries, and the technology itself belongs to a two layer VLAN technology.In a
Huawei s5700 switch vlan settingsCurrently, there are several Huawei s5700 switches, common switches, and tp-link routers. 1. The tp-link router connects to the Internet. 2. The s5700 switch divides vlan. 3. Common switches are connected to VLANs and PCs. The following figure shows the network topology. The s5700 has a
Currently, virtualization is widely used. Generally, a physical host can create multiple virtual machines on a physical host after installing VMware ESXi or Hyper-V Virtual Machine Software, in addition, each created virtual machine can provide external services like the original physical machine, which can undoubtedly make full use of server resources to save power and space. But when most of our friends use virtual machines, there is also a problem: the physical host performance is high enough
I. Lab Objectives Master the configuration of the switch tag VLAN; Master the basic configuration methods of layer-3 switches; Measure the test taker's knowledge about how to configure VLAN routing for a layer-3 switch; Layer-3 switches are used to implement inter-
security. Therefore, the use of VLAN in the initial design of the network can bring great benefits to the future expansion of the network.VLAN partitioning by routers is a cost-effective method in small and medium-sized enterprises. However, VLAN partitioning by routers seriously affects the network performance of enterprises, therefore, layer-3 switches with routing functions are widely used in
bring great benefits to the future expansion of the network. VLAN partitioning by routers is a cost-effective method in small and medium-sized enterprises. However, VLAN partitioning by routers seriously affects the network performance of enterprises, therefore, layer-3 switches with routing functions are widely used in VLAN networks of large and medium-sized en
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