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.

Sonicwall (formerly owned by Dell) is a maker of UTM firewalls and other network related devices. Use this tag for questions about Sonicwall appliances
119 questions
For questions about Voice over Internet Protocol (VoIP) which encompasses various technologies (methods, functions, and encapsulations) for encoding and delivering audio on a network using IP.
114 questions
For questions about trace routing where, for instance, you are troubleshooting routing issues or have problems using the traceroute command via CLI on a network device.
114 questions
for questions about Cisco's EIGRP - Enhanced Interior Gateway Routing Protocol.
114 questions
For questions about or involving Request for Comments (RFC), where it is a type of publication from the Internet Engineering Task Force (IETF) and the Internet Society (ISOC), the principal technical …
114 questions
For questions about or in relation to the maximum transmission unit (MTU).
110 questions
One of the three layers of network design. The main characteristics of the network access layer is that it provides the access point for devices connecting to the network at a reduced "cost-per-port".
109 questions
For questions about Fortigate, the UTM product line from Fortinet
108 questions
Secure Shell or SSH is a network protocol that allows secure communication. For most it is a preferred alternative to Telnet when available. SSH can use automatically or manually generated keys for au…
108 questions
The Small Form-factor Pluggable is a transceiver module for gigabit-range connections, mostly optical (up to 2.5 Gbit/s). It is also called mini-GBIC sometimes. SFP+ modules may support up to 16 Gbit/…
103 questions
For questions about or relating to network products by Hewlett-Packard. It can be about any network device made by HP Networking, such as LAN switches, Core, Datacenter, Distribution, Edge, Network Ma…
103 questions
The Juniper SRX is a series of security services devices running Junos. Security features include the full UTM functionality previously found on ScreenOS, including web filtering, IDP and anti-virus. …
102 questions
suitable for questions about or involving network monitoring as implemented on network devices or monitoring tools used by network professionals. Examples: IP SLA, SNMP, Netflow etc.
102 questions
For questions about network redundancy. For instance: you need to design a new network with high redundancy or you are troubleshooting an issue where it doesn't work.
101 questions
Network bridging describes the action taken by network equipment to allow two or more communication networks, or two or more network segments, to create an aggregate network. Bridging is distinct from…
101 questions
For questions about Software-defined networking (SDN), an approach to networking architecture that separates the control plane from the forwarding plane, with the network control logic implemented in …
95 questions
For questions about network simulations in the Graphical Network Simulator-3 (GNS3).
94 questions
For questions about network speed. Like bandwidth this tag is suitable when your question is about network congestion, speed, throughput and of course low bandwidth/speed problems.
94 questions
pfSense is a free, open source customized distribution of FreeBSD tailored for use as a firewall and router. In addition to being a powerful, flexible firewalling and routing platform, it includes a l…
91 questions
For questions about failover in a network aspect. For instance, if you have a stack of switches and you have problems with master/slave failover or a Firewall setup with multiple hot standby's where i…
89 questions
For questions about network latency. For instance: the propagation of your network traffic, where the transmission medium can be defect or the processing of packets by a network device has slowed down…
89 questions
For questions about network device management or network management in general. For instance how you configure and manage your network device or what you can do to secure it.
86 questions
Juniper Networks line of Ethernet switches
85 questions
For questions about Link Aggregation Control Protocol (LACP); IEEE 802.1AX.
83 questions
For questions about or in relation to all network devices produced by Dell Networking.
82 questions
For questions about or involving the Juniper MX series routers. For instance, the Juniper MX10, MX80, MX204 etc.
81 questions
Not to be confused with mac-address tag, Media Access Control is a sublayer of the OSI data link layer that provides addressing and channel access control mechanisms. It resides between the LLC sublay…
79 questions
For questions about authentication in a network perspective. For instance, you are troubleshooting an issue with SSH authentication or you are having trouble getting an IPsec tunnel to authenticate pr…
78 questions
For questions about packet loss, where one or more packets of data travelling across a computer network fail to reach their destination. This is typically used in troubleshooting, where either the phy…
77 questions
A tag for discussion of "mobile", topics on how the mobile devices proceed to access mobile services
74 questions
For questions about network throughput, where throughput is the amount of data moved successfully from one place to another in a given time period.
74 questions
Power over Ethernet is a family of IEEE 802.3 standards that define power provisioning to a network device through the twisted pair network cable.
72 questions
For questions about Routing Information Protocol (RIP).
71 questions
For questions about the Cisco proprietary protocol called Host Standby Router Protocol (HSRP). For instance, if you have any configuration issues or problems setting up HSRP.
69 questions
For questions about stacking of network devices. For instance, you are stacking a new set of switches or firewalls, where you need help with configurations or are troubleshooting a problem.
69 questions
For questions about RADIUS, an authentication and accounting service defined by RFC 2865.
68 questions
1 2
4 5