Tags

A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

A general purpose tag to mark discussions of general security topics including firewalls, ACLs, AAA and numerous others related to keeping the network safe from unauthorized access.
309 questions
For questions about Local Area Networks (LANs).
305 questions
Questions relating to IPSEC VPN configuration, operation and troubleshooting specifically.
298 questions
For questions about Wireshark, a packet analyzer
297 questions
For questions specifically related to the software Packet Tracer developed by Cisco Systems. This tag should only be used in relation to the actual functions in Packet Tracer, for instance: network tr…
287 questions
For questions about Packet INternet Groper [PING].
274 questions
For questions about physical cables used in a computer network topology. This tag is suitable when your question is about a network cable. Examples: Twisted pair cable, Fiber optic cable, Coaxial cabl…
250 questions
For questions about Quality Of Service (QoS); all aspects of providing differential service to packets based on TOS, DSCP, or other information.
243 questions
Fiber optic data transmission, cabling, connectors, interfaces. Questions should have this tag if they directly involve fiber optic transmission of data, fiber optic cabling and/or connectors, or inte…
241 questions
For questions about multicast communications and protocols.
235 questions
For questions about User Datagram Protocol, a Transport Layer protocol.
229 questions
Discussion on Access-Control-Lists (ACL) or Access-Control-Entries (ACE)
224 questions
For questions about or in relation to the transport protocol or OSI layer 4. For instance the best-known transport protocol of TCP/IP is the Transmission Control Protocol (TCP).
219 questions
Used for questions about the commands for Cisco devices.
215 questions
Simple Network Management Protocol (SNMP) is used for managing devices on IP networks. It is most often used to query statistics for network equipment.
210 questions
For questions about bandwidth where bandwidth is the amount of data that can be carried from one point to another in a given time period (usually a second). This tag is suitable when your question is …
209 questions
For questions about a physical or virtual interface on a network device. For instance: Interface configurations, troubleshooting and security.
191 questions
For questions about Multi-Protocol Label Switching (MPLS), the layer 2.5 protocol used as a transport layer for Traffic Engineering, some Layer 2 & 3 VPN's, and VPLS.
190 questions
For questions about trunks, layer-2 links across which traffic for multiple VLANs travel.
185 questions
For questions about the Open Systems Interconnect (OSI) model defined by the International Organization for Standardization (ISO).
184 questions
Questions relating to the operations of ISPs and interacting with them.
181 questions
For questions about network cable installations used in a physical building or as used in a computer network topology. This tag is suitable when your question is about network cable installations, tha…
174 questions
For questions about OSI Layer 4 (transport layer).
170 questions
For questions about Wide Area Networks (WANs).
165 questions
For questions about broadcasting in computer networking. Use this tag when you are troubleshooting or configuring network devices in relation to broadcast.
160 questions
(Packet-analysis) aka Network Traffic analysis is the process of capturing network traffic and inspecting it closely to determine what is happening on the network Providesthe details of network acti…
157 questions
For questions about or involving the open-source operating system modelled on UNIX. Use this tag only when your question is about Linux on on-topic devices (business grade and with optional, paid vend…
155 questions
For questions about network tunnels.
154 questions
For questions requiring troubleshooting assistance with persistent/unresolved problems.
151 questions
should only be used when it's about configuration of DNS on an on topic network device. Any general DNS service related questions are off topic.
150 questions
Hewlett Packard Enterprise is a manufacturer of network devices including the former ProCurve series (ProVision) and former 3Com products (Comware). Please consider using a more specific tag; see the …
144 questions
For questions about the Cisco network product line, called Nexus. For instance, Cisco Nexus 3000, 4000, 5000, 6000, 7000 and 9000.
144 questions
For questions about the Internet Control Message protocol.
143 questions
One of the three layers of network design. The main characteristics of the network core are that is should be highly redundant and high performance. As such, it is often one of the simpler layers in t…
141 questions
For questions about planning and implementation of a computer network. Use this tag when you have questions about how to design your network and what things to take into account when implementing a ne…
138 questions
A networking hardware device that allows a Wi-Fi compliant device to connect to a wired network.
132 questions
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