Because most of the configuration of network equipment is mainly in English, so if you want to become a network master, you still need English proficiency. But you say that you really didn't learn English well, or you don't understand English at all, what should you do? Well, Brother Jie will sort out some English words that network engineers must master, hoping to help you.
Because this is all done by myself, there may be omissions, please understand
Section D
Diag : Diagnosis, here, can have the same meaning as diagnosis
Display : display
Destination : the destination
For example Destination-Address : sometimes abbreviated as DA , or Dst-add destination address (basically referring to the destination IP address, because the destination MAC address is usually unknown). Destination-Port , the destination port.
Domain : The original meaning is "territory", and it becomes "domain" in the field of network and system expertise, indicating the management scope of a network, such as DN : Domain-Name means "domain name".
Here, the meaning of Domain is often easily confused with " Zone ". However, Domain generally means an "administrative scope", while Zone generally means: "A zone with a strict security level that controls the direction of access."
Duplex : The original meaning is "two parts", but in the network, it means "duplex", that is, whether data traffic can be transmitted in both directions on a link. For example , Duplex Half : Half-duplex, data is not received when it is sent, and it is not sent when it is received. Duplex Full : Full duplex, data can be sent and received at the same time.
Decimal : Decimal, Dotted-Decimal means dotted decimal (ie IP address, subnet mask display form)
Data : data, such as DataCenter , data center
Distribute : distributed, distributed
Dynamic : dynamic ( opposite to Static )
Dialer : dialer, such as Dialer Interface : dial interface, generally used in PPPoE
Directory : A directory, in layman's terms, a folder.
Active Directory : AD Domain (Active Directory Domain)
DC : Domain Controller , Domain Controller ( a concept in AD domain)
DMZ : demilitarized zone , a demilitarized zone, an area generally used to place Internet servers in the network
DNS : Domain Name Server , domain name service, used to resolve domain names to IP addresses
DHCP : Dynamic Host Configure Protocol , a protocol for dynamically assigning IP addresses, subnet masks, default gateways, and DNS servers to hosts in the network.
dot1x : IEEE 802.1x , a network authentication method. You need to provide user name and password when connecting to WIFI , but that is WAP2 or WEP protocol, 802.1x also needs to provide user name and password during authentication, but the working process is different from WAP2 and WEP .
dot1q : IEEE 802.1q , a general Trunk encapsulation protocol.
DFS : Distributed file system distributed file system
Section E :
Enable : Enable, enable (the opposite of Disable ) ( Cisco series devices are used to enter privileged mode)
Error : Error (you must pay enough attention to see Error !)
Environment : Environment, such as Environment Variable , environment variable
Event : event
Extended : Extended, often abbreviated as Ext or Ex
access-list Ext : Extended access control list
Ext-Commnunity : Extended BGP Community Properties
Ethernet : Ethernet (a layer 2 protocol, usually the default protocol for fiber optic, twisted pair links)
Ethernet-Channel : Ethernet channel ( Cisco - specific term, which means that multiple links are bundled into one link to increase bandwidth and ensure link redundancy)
Erase : erase
Engine : the engine
Export : export, output ( corresponding to Import )
For example: Route-Policy XX Export , export the routing policy named XX
Export RT , the output RT value
Encapsulation : encapsulation, networking term
For example: Switchport trunk encapsulation dot1q : This trunk encapsulates the dot1q protocol
encapsulation dot1q 10 : encapsulate dot1q protocol, trunk VLAN 10
EGP : Exterior Gateway Protocol (this protocol has been replaced by BGP )
EIGRP : Enhanced Interior Gateway Routing Protocol ( Enhanced Interior Gateway Routing Protocol )
Cisco 's proprietary routing protocol is powerful but narrowly applicable.
EoA : Ethernet over ATM , generally used to transfer data between a local area network using the Ethernet protocol and a wide area network using the ATM protocol
Section F :
File : file, e.g. File-System , file system
Flash : The original meaning means "lightning", in the IT world it means "flash memory", that is, a memory used to store a small amount of data, and the data in the Flash will not be lost after a power failure. Network devices use Flash to store operating systems and configuration files.
Frame : frame (data unit transmitted by the data link layer)
Frame-Relay , Frame Relay, a WAN switching technology
Fan : fan
Flow : The original meaning is "flow" and is a verb. Means "data flow" in the network
For example, NetFlow is a technology related to data flow
Fix : fix
FAT32 : File Allocation Table , a file system invented by Microsoft and applied to a file system with a capacity of not more than 32GB , is now rare and is basically replaced by exFAT and NTFS .
FTP : File Transfer Protocol , a service for uploading and downloading files in the network
The related softwares are FlashFxp , FileZilla , etc.
Frame-Relay : Frame Relay
Section G :
Gateway : gateway
Generate : form, generate
Global : global
Global Catalog : Global Catalog ( a concept in AD domain)
In addition, Catalog means "to catalogue".
The global catalog is a role of the DC in the AD domain. If there is no DC with the global catalog role in the domain, all domain users will not be able to log in to the domain.
GigabitEthernet : Gigabit Ethernet, 1G means Gigabit
GRE : Generic Routing Encapsulation , Generic Routing Encapsulation, a VPN tunneling protocol
GLBP : GatewayLoad Balancing Protocol , Gateway Load Balancing Protocol, Cisco proprietary protocol. It belongs to the gateway redundancy protocol together with HSRP and VRRP .
GVRP : Generic Attribute Registration Protocol , a general attribute registration protocol, the function is similar to Cisco 's VTP , rarely used in the actual environment.