Tag Archives: Cisco switch
Networking: Blocking Access to a Website via Extended Access List [Video]
This video demonstrates how to use an extended access list to prevent specific hosts from accessing a website. In this lab I use two Cisco 2811 routers [IOS 12.4(15)T1] and two Cisco 2950-24 switches [IOS 12.1(22)EA4].
Configuring PVST+ on Cisco Switches
Per VLAN Spanning Tree Plus (PVST+) is a flavor of Spanning Tree Protocol (see prior blog, Default STP Behavior on Cisco Switches) which maintains a spanning tree instance for each VLAN in the network. This means certain VLAN trunks (using … Continue reading
Posted in Cisco, Labs, Networking, Protocols, Technology
Tagged avoid loop, Cisco, Cisco 3560, Cisco 3560 switch, Cisco switch, dot1q, loop, Per VLAN Spanning Tree Plus, prevent loop, PVST+, Spanning Tree Protocol, STP, switch, vlan
6 Comments
Setting-up DHCP on Cisco Routers
The Dynamic Host Configuration Protocol (DHCP) provides the capability to automatically allocate reusable network addresses and configuration options to hosts.
Posted in Cisco, Labs, Networking, Protocols, Technology
Tagged BOOTP, Cisco, Cisco 2126XM, Cisco 2126XM router, cisco dhcp configuration, cisco router, cisco setup dhcp, Cisco switch, Cisco WS-C2960-24TT, Cisco WS-C2960-24TT switch, dhcp, dhcp configuration, Dynamic Host Configuration Protocol, router, switch
1 Comment
Cisco – Spanning VLANs across Switches via Trunking
In this lab I use two Cisco WS-C2960-24TT [IOS 12.2(25)FX] switches to demonstrate how to span VLANs across switches via 802.1q trunking. I avoid using VTP by using “VTP transparent mode”; as a result, I have to configure the VLANs … Continue reading
Posted in Cisco, Labs, Networking, Technology
Tagged 802.1q, 802.1q encapculation, Cisco, Cisco 2960, Cisco 2960 siwtch, Cisco switch, Cisco WS-C2960-24TT, isl, isl encapsulation, trunk link, Trunking, vlan
1 Comment
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