Tag Archives: ios

Gratuitous ARP and Basics of Connecting a Cisco IOS Switch with a Cisco CatOS Switch

Some of you may have an old Cisco Catalyst switch laying around that you may want to put to use. CatOS is the old Cisco operating system for Catalyst switches that predates IOS; it can still be found on some … Continue reading

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Setup Inter-VLAN Communication via “Router on a Stick”

This lab demonstrates inter-VLAN communication via the “Router on a Stick” method. To enable inter-VLAN communication, a trunk link is created between a router and switch. Trunk links can carry traffic for multiple VLANS. Trunk links can also be used … Continue reading

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