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.
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.
For questions about RADIUS, an authentication and accounting service defined by RFC 2865.
For questions about network hardware. For instance, switches, routers, firewalls, bridges, IP phones, Wireless lan controllers, Access points etc.
for questions about discovering the IP addresses, mac-addresses, vlans, or the physical topology of a network.
For questions that are primarily about words / abbreviations specific to networking or network engineering. Do not use this tag as a catch-all for other questions.
For questions about PPPoE (Point-to-Point Protocol over Ethernet), which provides a method to connect two PPP nodes by encapsulating PPP frames inside Ethernet frames.
For questions about network topology, where a network topology is the arrangement of a network, including its nodes and connecting lines.
For questions about traffic dumps from the packet analyzer tcpdump. This tag should only be used in relation to troubleshooting an issue with a network device. If the host that runs tcpdump has been c…
Questions relating to the usage of Virtual Routing and Forwarding and VPN Routing and Forwarding.
Generic Routing Encapsulation is a tunnelling protocol, used to carry network layer protocols through encapsulation inside others.
For questions involving the command line interface (CLI) on network devices. For instance, you need help with commands on a switch or having trouble finding the right command for your configuration.
A tag for questions involving Brocade Communications Systems hardware or software.
For questions about Unshielded twisted pair (UTP) cabling, where it should always be in relation to networking in general.
For questions about load balancing network devices. For instance, you are setting up a port-channel with load-balancing or you want to load balance between two firewalls.
For questions about port forwarding on an on topic network device. For instance, you have a firewall and need to forward a port to an internal server, but you do not know how.
For questions about the 802.1X protocol for port-based network access control.
Fortinet is a worldwide provider of network security appliances and a market leader in Network Security (FW/NGFW/UTM).
Etherchannel is Cisco's proprietary layer 2 link aggregation (LAG). It is mostly compatible with the open IEEE 802.3ad/802.1AX standard (LACP).
Port security is a technique for securing switchports by restricting inrgess traffic by limiting the MAC addresses that are allowed to send traffic into the port.
For questions about the Asymmetric Digital Subscriber Line (ADSL) connection type. You should only use this tag in a professional enterprise purpose involving an ADSL connection.
For questions about telephony in relation to networking. For instance, you are setting up, designing or is having trouble with your IP telephony solution. Physical network installations in regards to …
For questions about IGMP (Internet Group Management Protocol), a protocol used for communications between IPv4 hosts and multicast routers to establish and maintain host multicast group membership.
For questions about access control lists (ACLs). For instance, you want to limit network traffic to increase network performance or provide traffic flow control on your network device. ACLs also provi…
For questions about loopback interfaces on network devices. For instance, you want to configure routing on your layer 3 switch and for that you want to configure a loopback interface.
For questions about network Authentication, Authorization, and Accounting. These are methods which comprise a security framework for access control on the network, services, and/or devices.
For question about the NetFlow protocol.
For questions about or involving the Cisco NX operatingsystem. For instance, you are configuring a Nexus switch or troubleshooting a problem with a MDS 9000 multilayer switch. All network devices, tha…
For questions about routes in relation to configurations on network equipment. For instance, you are troubleshooting why your static routes are not working properly.
For questions about packet fragmentation in a computer network. For instance, you are troubleshooting a case, where a network device encounter packet loss; and reliable protocols such as TCP must retr…
For questions about port mirroring on a network device, where a network switch sends a copy of network packets seen on one switch port (or an entire VLAN) to a network monitoring connection on another…
For questions about network performance, where factors like Bandwidth, Throughput, Latency, Jitter and Error rate are all often considered important.
For questions about MPLS VPN, where MPLS VPN is a flexible method to transport and route several types of network traffic using an MPLS backbone. For instance, Point-to-point MPLS VPNs employ VLL (vir…
For questions about Virtual Router Redundancy Protocol (VRRP), a standards based First Hop Redundancy Protocol (FHRP) defined in RFC 2338.
For questions about Point-to-Point Protocol (PPP), a data link protocol typically used in establishing a direct connection between two nodes.
For questions about the Cisco developed Virtual Port Channel (vPC) technology. For instance, you want to stack two Nexus 7000 switches or you are troubleshooting a problem with a Nexus 2000 fabric ext…
For questions regarding industry methods or techniques that have shown superior results and are accepted as a de facto standard, or have been formally established.