The processing of layer-3 data packets by the Gigabit route switch technology, I insist on writing notes every day. Record your experiences and put more time into your career. In the traditional sense, only the device that processes Layer 2 Data Forwarding is called a
For details about how to set the default mode of layer-3 Switch gateway, recently, many friends have been paying attention to the setting of switch gateway. Today, let's have a deep understanding of the techniques for setting the switch gateway! The new experience
The instance explains VLAN division and configuration issues in layer-3 Switch configurations. vlan division and configuration issues cannot be avoided in layer-3 Switch configurations. Generally, there are four categories, how to
Security switches are worth learning a lot. Here we mainly introduce the three-layer meaning of Security switches. as the core of the entire network, users who access and access network information should be able to differentiate and control permissions. More importantly,Security SwitchIt should also work with other network security devices to monitor and block unauthorized access and network attacks.
Security switches play an important role in the en
VLAN based on a layer-3 switch can resolve conflicting domain, broadcast domain, and bandwidth issues for the LAN. VLAN can be divided based on the network layer. There are two solutions: one is divided by Protocol (if there are multiple protocols in the network; the other
.
The vswitch gateway configuration method is as follows:
Switch#config tSwitch(config)#interface vlan 1Switch(config-if)#ip address 192.168.1.254 255.255.255.0Switch(config-if)#no shutdownSwitch(config-if)#exitSwitch(config)#
After a L2 Switch is configured with a management IP address, you can use "Tel
The main function of a security switch is to forward data in the network. It can also ensure efficient network data forwarding when other factors interfere, with the advent of the Internet era, security issues have become an urgent issue. The existence of viruses, hackers, and various vulnerabilities makes security tasks extremely difficult in the Internet era.
Vswitches play an important role in the enterp
routing protocols to generate route tables, and running ARP to parse IP addresses; set the cache IP Forwarding Table item. As a basic network, the IP network is evolving into a multi-service network. Therefore, network devices must provide a data operation platform for different policies. In the smart architecture of the three-tier vswitch in the harbor, each data packet can be processed according to the policy through a fast filter engine.
2.
From: http://nettao.blog.51cto.com/386537/211216
I,
Vrrp
Introduction:
Virtual router redundancy protocol
Virtual
The proposed router redundancy protocol aims to improve the reliability of the router (layer-3 Ethernet switch) and the external connection by using the backup mechanism. Generally, a default route is se
communicate with each other. However, if you connect a computer 192.168.2.2 to 3026a, you cannot ping the router. You can ping all the IP addresses of layer-3 vswitch 3500. Later, I added a route entry to the vro:IP route-static 192.168.2.0 0.0.0.0 192.168.1.2 (pointing to a layer-3
802.1p network services: Different Levels of gold, silver, and bronze services can be implemented based on different payment options, so as to ensure the services of high-priority users as much as possible. Supports the network layer-3 DiffServ service: it provides packet priority tag and priority differentiation processing.
The above intelligent services can solve the problem of distribution efficiency an
[Background description] The company has an internal DI-604LB + Broadband Router and a layer-3 switch. To prevent broadcast storms in the network, the Administrator has created three VLANs on the layer-3 switch. The company uses D
The root of software complexity comes from the complexity of thinking.
Three-tier architecture look at three-tier DDD Implementation detailed architecture look at Code Business Domain persistent layer (data layer) testing and use example complete code download
Handy weapon Library:
Fluent nhib.pdf
Nunit
Git (GitHub)
For the tools involved in this article, see the previous article: My. Net w
There are many things worth learning about layer-3 router switches. Here we mainly introduce the solutions to soft faults in layer-3 router switches. Two days ago, our company's network was upgraded, and the core device adopted the INTEL550 series L3 route switch. The 500 se
domain, or transmit the VTP broadcast information sent by other vswitches In The VTP domain, but it is not involved in the synchronization and allocation of The VTP domain, it does not pass its own VLAN configuration to other switches in The VTP domain. Its VLAN configuration only affects itself.The switch is in Server mode by default.4) create a VLAN. By defaul
Enable // enter private Mode
Configure terminal // enter global Mode
Service password-encryption // encrypt the password
Hostname Catalyst 3550-12T1 // define the name for the layer-3 Switch
Enable password 123456. // enable password
Enable secret 654321 // The encryption password of enable (it should be garbled, not 654321)
Ip subnet-zero // allow all 0 subnets
) # switchport mode trunk
SW2 (config-if) # no sh
# Configure the VTP client (After configuring the VTP client, you can learn the vlan created on the layer-3 Switch)
SW2 # vlan database
SW2 (vlan) # vtp domain test
SW2 (vlan) # vtp client
SW2 (vlan) # vtp password 123
SW2 (vlan) # vtp pruning
# Add the specified interface to the corresponding vlan
SW2 (config) #
The h3c layer-3 Switch acl is an example of a new library that can only access the electronic reading room, and cannot access other hosts on the Intranet, so as to avoid security impact. the IP address of the On-Internet www.2cto.com electronic reading room is not opened to
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