These keep me sane as ...
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, ...
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 ...
Many network engineers consider the CLI as their tool of choice when managing network devices. For years, they've made configuration changes comfortably from the CLI, gaining confidence and experience ...