In the IP based Ethernet networks, data and voice services are often transmitted simultaneously over the network. Voice traffic, in particular, requires a higher forwarding priority than data traffic.

Another thing to consider: In my configuration I have enabled VLAN encapsulated trunking on the fiber ports between switches. This is the best way I have found to deal with a multi-switch, multi-VLAN ...

To begin, we must have a more formal definition of what a LAN is. LAN stands for local area network. Hubs and switches usually are thought of as participating in a single LAN. Normally, if you connect ...

It's no surprise that Linux makes a great router and firewall. A lesser-known fact is that you also can use Linux as an Ethernet bridge and VLAN switch, and that these features are similarly powerful, ...

Do you like puzzles? Are you working towards CCNA, or the CCNP Switch exam? If so, today’s post can be an interesting challenge to help you review switch VLAN configuration, with a short lab exercise ...

ARP requests are crossing VLAN boundaries: On host B, executing 'arping -i eth1.11 -0 172.16.0.1', 'arping -i eth1.10 172.16.1.1', 'arping -i eth1.10 192.168.0.1' will return replies from host A. I ...