outside trunking

We will introduce how to bind two NICs in Linux to a virtual network card. The aggregated device looks like a separate Ethernet interface device, in general, two NICs have the same IP address, and parallel links are aggregated into a logical link. In fact, this technology already exists in Sun and Cisco, known as Trunking and Etherchannel technology. It is also used in Linux 2.4.x kernel, known as bonding. The earliest application of bonding technolog

microcomputer control, from rice cookers, washing machines, refrigerators, air conditioners, color TVs, other audio and video equipment, and electronic scale equipment and white goods and so on.4. Network and communicationModern single-chip microcomputer generally has communication interface, it can be conveniently connected with the computer data communication, for the application of computer network and communication equipment to provide excellent material conditions, now the communication eq

In Linux, dual NICs are used together with "1"-Linux Enterprise Application-Linux server application information. The following is a detailed description. The network connectivity of the server directly affects the availability of the server. Using the dual NIC (NIC) binding technology, the failure protection and load balancing of the server NIC can be realized, which helps improve network performance, this ensures the high availability of the server. Dual Nic Binding Technology The dual-nic b

authentication and encryption information. UseGSMstandard mobile stations need to be plugged inSIMonly when handling abnormal emergency calls, the card can beSIMoperation of the mobile station in case of a card. SIMthe application of the card makes the mobile station not tied to a user in a fixed way, soGSMsystem is throughSIMcard to identify mobile phone users, which lays the foundation for future personal communications. MT : Mobile Terminal TA : Terminal Adapter TE : Terminal EquipmentBSS

: Incoming call status NETWORK_TYPE_1XRTT:2G Network NETWORK_TYPE_CDMA: Code Division Multiple Access Protocol (CDMA) Network_type_edge: Enhanced Data Rate GSM Evolution technology, GSM transition to 3G protocol NETWORK_TYPE_EHRPD:CDMA transition to LTE protocol NETWORK_TYPE_EVDO_0:EVDO_0 Network Type Network_type_evdo_a:evdo_a Network Type Network_type_evdo_b:evdo_b Network Type Network_type_gprs:grps (General Packet Wireless Service technology) network type NETWORK_TYPE_HSDPA

Linux Multi-NIC Binding overviewThis article os:6.4 test here is four NIC bound 1 block bondWe introduce the Linux dual-NIC binding implementation is the use of two network card virtual become a network card, the aggregation of the device appears to be a separate Ethernet interface device, the popular point is that two network cards with the same IP address and parallel link aggregation into a logical link work. In fact, this technology has long existed in sun and Cisco, known as

simple operations on port, such as changing the mode of port,4. Change port modeSwitch (config-if) #switchport trunk encap dot1q----------------set up the encapsulation protocol for VLAN trunking Note: dot1q is the IEEE 802.1Q protocol, which is a way to encapsulate VLANs, is a public agreement.Another trunk protocol, which is an ISL, is also a encapsulation of VLANs, except that this is the Cisco Cisco Private Protocol. Other manufacturers are not a

650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M02/06/2D/wKiom1mzQRrRvkpuAAA8M-h2JiY943.png "title=" Cisco.png "alt=" Wkiom1mzqrrrvkpuaaa8m-h2jiy943.png "/>switch>enSwitch>enableSwitch#configure TerminalSwitch (config) #vlan 10Switch (config-vlan) #name lolSwitch (Config-vlan) #vlan 20Switch (Config-vlan) #name DNFSwitch (Config-vlan) #exitSwitch (config) #exitSwitch#configure TSwitch (config) #interface F0/3Switch (config-if) #switchport mode accessSwitch (config-if) #switchport Access

Multiple NICs tied together as a network adapter for load balancing and bandwidth enhancementlinux dual NIC binding an IP address, the real work is to use two network card virtual as a piece, using the same IP address, is we can get better faster service. 　　 In fact, this technology has long existed in sun and Cisco, known as Trunking and EtherChannel technology, which is also used in the Linux 2.4.x kernel, known as bonding. The principle of 1 and bo

trunking to interface different VLANs; However, this method must be connected to the Exchange machine that supports 802.3AD, and each slave driver needs to support the message of the Ethtool captured interface, which is more of a luxury, but it provides a good application, load equalization and tolerance system?Mode=5 (balance-tlb): Adaptive transmit load balancing; There is no need to exchange machine support, but the slave driver needs to support E

Cisco single-ARM routing configurationOne-arm routing, which is to set up multiple logical subinterfaces on the router, one VLAN for each sub-interface. The data on each sub-interface is passed on the physical link to be labeled encapsulated. Cisco devices support ISL and 802.1q (dot1q) protocols. Huawei only supports 802.1q.The difference between dot1q and ISL: dot1q is a generic VLAN protocol model for various products, and dot1q is a universally used standard for all switches and routing devi

authentication function is also an important aspect of the investigation. Before the switch is for the enterprise use, on the net directly connected out, do not need certification. and broadband operators need to verify that the user is on record. User access to the Internet, a window appears, enter the user name and password to pass authentication, so the broadband operators of the third layer of switches should also support a number of special protocols such as 802.1X, to achieve certificatio

process the media stream through it (for example, mixing all video or audio streams into one).Video recordingOne of the main benefits of having all video streams through a media server (cluster) is the ability to record and store media streams for any purpose, which is hard to do on the mesh architecture.Integration with other communication technologiesAnother advantage of using media servers is the ability to communicate with other systems outside the web system, such as the PSTN via SIP

-2DB5k270.jpg "style=" float: none; "title=" n9.jpg "alt=" Wkiom1qc7yratbngaahpc-2db5k270.jpg "/>1.5.3. The network connectivity requirements that are typically discussed by the operations and network management team:§ number of physical switches§ Required network bandwidth§ support for 802.3AD physical switches (to implement NIC bindings)§ support for 802.1Q physical switches (for VLAN trunking)§ Network port security§cisco Discovery Protocol (CDP

original now more than 50 separate cache server, with their words now the same speed as the summer, because summer is a holiday during the period not many people use the network. The Linux portal (www.linux.com) uses LVS to make many VA Linux SMP servers a high-performance Web service that has been in use for almost a year. SourceForge (SourceForge.net) is a global provider of web, FTP, mailing list and CVS services for development source projects, and they also use LVS to dispatch the load t

Several addresses in the consul command (Jin Qing's column 2018.5) The consul command line has the following address parameters:-bindbinding addresses, for cluster communications, default 0.0.0.0-clintbinding addresses, for RPC, DNS, HTTP and HTTPS, default 127.0.0.1-serf-lan-bindBinding Address for intranet trunking communication, using the default-bind address-serf-wan-bindBinding address for Cross room communication, default use-bind address-adve

if only the XV, Management stage (Management phase)Management phase for a large number of interactive processesClient Server| Package 3 || ————————————————— >|| Package 4 ||| |Package 3 (Client response sent to server)Reply to the commands command execution results in package 2.Package 4 (Further server management operations)To end a conversation or to continue sending a command, if the 16. The current research hotspot of OMA protocol--one-pass (PPT)One-pass (PTT) means to say. Its design is in

data disks must be globally available, allow all nodes to access the database, and each node has its own redo logs and control files, However, other nodes must be able to access them to recover from a system failure in that node. Oracle RAC runs on top of the cluster, providing the highest level of availability, scalability, and low cost computing capabilities for Oracle databases. If one node in the cluster fails, Oracle will be able to continue running on the remaining nodes. Oracle's main in

Link Aggregation (linkaggregation) is the "bundle" of physical link sections with the same transport media type, the same transmission rate, logically looking like a link. Link aggregation, also known as a relay (trunking), allows peer-to-peer physical links between switches or between switches and servers to multiply bandwidth at the same time. Therefore, it is an important technology to increase the bandwidth of the link, to create the transmission

Ethernet Channel protocol is a link aggregation protocol developed by Cisco, which can bind multiple physical Ethernet links into a logical link, which can increase transmission bandwidth and improve link redundancy through multiple port bindings. Currently VNX supports the Ethernet channel protocol, where all ports are connected to the switch using the same IP and MAC address, and EtherChannel can bind 2, 4, or 8 Ethernet ports at the same time. When using EtherChannel on Vnx, you can arrange