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 protocol for communication between controllers and network elements in a software-defined network.
48 questions
For questions about network data, where the payload is the data that is carried on behalf of an application. It is usually of variable length, up to a maximum that is set by the network protocol and s…
47 questions
For questions about or involving private VLAN. For instance, you need to split a running VLAN into sub domains or sub-VLANs inside a VLAN.
46 questions
For questions about Virtual Extensible LAN (VXLAN), where it is a proposed encapsulation protocol for running an overlay network on an existing Layer 3 infrastructure. For instance, a VM needs to be d…
45 questions
For questions about Wireless LAN Controllers (WLCs), whatever the manufacturer.
45 questions
For questions about logging in relation to network devices. For instance, you are configuring logging on your switch or you are troubleshooting a log issue on a router.
45 questions
For questions about Rapid Spanning-tree protocol (RSTP). For instance, you are troubleshooting an issue where Spanning-tree is not forwarding the correct VLANs on your trunk.
45 questions
44 questions
for questions about the life of a packet *within a switch, router, or firewall chassis*. Do not use this tag for questions about traceroute, or traffic engineering.
44 questions
For questions about network architecture, where it is a framework for the specification of a network's physical components and their functionality and configuration.
42 questions
For all questions involving testing of network devices or in relation to testing in computer networks.
42 questions
For questions about Syslog on network devices. For instance, you are configuring syslog on your switch or you have have problems with syslog not showing on your router.
41 questions
For questions about the Network Time Protocol (NTP) on network devices, where this tag should only be used when configuring NTP on an on topic network device.
41 questions
For questions relating to fiber-optic connectors and transceivers.
40 questions
For questions about the Cisco IOS XE system software for switches and routers. It is built on Linux and provides a distributed software architecture that moves many operating system responsibilities o…
39 questions
For questions about or involving the Cisco ASR router family. For instance, ASR1000, ASR9000 etc.
39 questions
For questions about or involving network products from Palo Alto Networks. For instance, next generation firewalls and advanced endpoint protection.
39 questions
Transceivers are transmitter/receiver pairs that are required for a physical network interface. Most often the term is used for modular transceivers (SFP, SFP+, QSFP, GBIC, XFC, ...).
39 questions
For questions about 10 Gbit BASE optics and transceivers for network devices. For instance, the copper-based 10GBASE-T or the optical-based 10GBASE-LR. There is a wide variety of optics.
38 questions
For questions about network traffic (or data traffic), where it is the amount of data moving across a network at a given point of time. Only use this tag in relation to on-topic network devices.
38 questions
For questions about virtual interfaces on network devices. For instance, you want to bridge two interfaces on a router and want them to be in the same Layer-2 broadcast domain. In this scenario, Bridg…
38 questions
A tag for questions involving Huawei networking hardware or software.
37 questions
For questions about VMware, which is a subsidiary of Dell Technologies and it can be used as a virtualization software for network devices. You should only use this tag in relation to on topic network…
37 questions
For questions about load balancer network devices. For instance, the Citrix Netscaler, Barracuda load balancer etc. All hardware related network devices, that function as a load balancer for a compute…
37 questions
For questions about Terminal Access Controller Access-Control System (TACACS) and its variants (XTACACS, and TACACS+).
37 questions
For questions about network standardisation. For instance, you need to standardize your network topology and therefore need help with your configuration design for a specific network device series.
36 questions
For questions about the Session Initiation Protocol (SIP) typically used in VoIP and IP telephony.
36 questions
For questions about the open-source software Iperf, where it is a widely used tool for network performance measurement and tuning. Remember that only questions in relation to on topic network devices …
36 questions
For questions involving the IPv4 or IPv6 Forwarding Information Base (FIB).
36 questions
for questions regarding VPLS, the Virtual Private LAN Service, which allows ethernet-based point-to-multipoint Layer 2 VPNs to be implemented as a MPLS service.
36 questions