802.1Q
Ethernet frame marking standard used to transport multiple VLAN.
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IT Dictionary
Clear, technical definitions to understand IT terminology.
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APIPA
An address 169.254.x.x that Windows can assign when it does not receive a response DHCP.
View →ARP
The mechanism used in IPv4 to find the address(s) that corresponds to a local IP address.
View →BGP
The routing protocol used to exchange routes between large networks and operators.
View →BGP AS Path
A BGP protocol mechanism or attribute used to control interdomain route exchange and selection.
View →BGP Community
A tag attached to BGP routes to carry routing policy intent.
View →BGP Extended Community
A tag attached to BGP routes to carry routing policy intent.
View →BGP Graceful Restart
A BGP protocol mechanism or attribute used to control interdomain route exchange and selection.
View →BGP Large Community
A tag attached to BGP routes to carry routing policy intent.
View →BGP Local Preference
An internal BGP preference attribute used to favor an exit path inside an autonomous system.
View →BGP MED
A BGP attribute that suggests a preferred entry point into an autonomous system.
View →BGP Peering
A BGP protocol mechanism or attribute used to control interdomain route exchange and selection.
View →BGP Route Aggregation
A BGP protocol mechanism or attribute used to control interdomain route exchange and selection.
View →BGP Route Reflector
A BGP router that reflects iBGP routes between clients to reduce full-mesh requirements.
View →BPDU Guard
A STP protection that disables a port of access receiving a BPDU.
View →Broadcast Domain
A network mechanism used to route, encapsulate, filter, or make IP traffic resilient.
View →CDP
A protocol for the discovery of neighboring equipment.
View →CIDR
A notation such as /24 or /27 that indicates the size of an IP network.
View →Default Gateway
The router to which one device sends traffic to other networks.
View →DHCP
The protocol that automatically assigns an IP address and network settings to devices…
View →DHCP Failover
A network mechanism used to route, encapsulate, filter, or make IP traffic resilient.
View →DHCP Relay
A mechanism that transmits DHCP requests between subnets.
View →DHCP Snooping
A function of switch that controls authorized DHCP messages.
View →DHCPv6
The DHCP version used to distribute parameters and optionally addresses on IPv6 networks.
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