Category Archives: Networking
Cisco VLAN Trunking Protocol (VTP)
VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol that reduces administration in a switched network. When you configure a new VLAN on one VTP server, the VLAN is distributed through all switches in the domain. This prevents you from … Continue reading
Posted in Cisco, Labs, Networking, Protocols, Technology
Tagged Cisco, Cisco 2960, Cisco 2960 siwtch, Client Mode, Server Mode, Transparent Mode, vlan, VLAN Trunk Protocol, VLAN Trunking Protocol, VTP, VTP client, VTP server
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Address Resolution Protocol (ARP)
Address Resolution Protocol (ARP) is used by IP devices to locate the hardware addresses of other devices on the local network. RFC 826 introduced ARP as a method for IP devices to locate other IP devices on the same local … Continue reading
Posted in Networking, Protocols, Technology
Tagged 0806, Address Resolution Protocol, ARP, ARP request, ARP response, broadcast ARP, protocol ID 0806, RFC 1122, RFC 826, unicast ARP
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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
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Recover from a Forgotten Console Password on Dell Force10 E-Series Switches
In this lab I will use a Dell Force10 E600i chassis [FTOS 8.3.1.1] to demonstrate how to recover if you forget your console password. The first thing to do to prepare for this lab is to log on through the … Continue reading
Posted in Dell Force10, Force10 Networks, Networking, Technology
Tagged BOOT_ADMIN mode, console password, Dell, Dell Force10, Dell Force10 E600i, E-Series, E600, E600i, enable password, Force10 Networks, forgot console password, forgot enable password, forgot password, FTOS, password recovery, Recover from a Forgotten Console Password on Dell Force10 E-Series Switches, router, set console password, switch
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Creating a LAG between an ESXi vSwitch and a Physical Switch
In this lab I am going to create a LAG (Link Aggregation Group) between an ESXi vSwitch and a physical switch. You can use Cisco, Force10 Dell, Juniper, or any other manufacturer for the physical switch. Depending on the switch … Continue reading
Posted in Cisco, Force10 Networks, Labs, Networking, Technology, Virtualization and Cloud Computing, VMware
Tagged 802.3ad, 802.3ad link aggregation, Cisco, ESXi, ESXi 4.1, etherchannel, Failover, Force10 Dell, Force10 Networks, LAG, Link Aggregation Group, load balancing, NIC Teaming, physical switch, pNIC, port bundle, port channel, port group, Route Based on IP Hash, Route Based on the Originating Virtual Port ID, Use Explicit Failover Order, virtual machine, virtual port ID, virtual switch, VM, VM Network port group, VMkernel, vmNIC, vmware, VMware ESXi, vNIC, vSwitch
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Open Virtualization Format – VMs in transit
The Open Virtual Machine Format (OVF) describes a format for the packaging and distribution of virtual machines (VMs). It is touted as open, secure, and portable. OVF can be seen as a packaging format for software appliances. I see it … Continue reading
Posted in Applications, Labs, Networking, Technology, Tips & Tricks, Virtualization and Cloud Computing, VMware
Tagged ESX. VMware ESX, ESXi, ESXi Server, export OVF, export OVF package, Open Virtual Machine Format, OVF, OVF format, OVF specification, OVF Template, virtual appliance, virtual appliances, virtual machine, virtual machines, virtualization, VM, vms, vmware, VMware ESXi, VMware OVF Tool, VMware vCenter Converter, VMware vCenter Converter Standalone, VMware vSphere Client, vSphere, vSphere Client
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Setup your Apple MacBook Pro with VMware ESXi on top of Fusion
I have been messing around with VMware ESXi on my Apple MacBook Pro laptop for a while now. Actually, I have installed ESXi on top of VMware Fusion. Further, I networked everything together so my Apple MacBook Pro can communicate … Continue reading
Posted in Networking, Technology, Virtualization and Cloud Computing, VMware
Tagged Apple MacBook Pro, ESXi, ESXi 4.1, virtual machine, VM, vmware, VMware ESXi, VMware Fusion, vSphere, vSphere Client
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How to Stack Dell Force10 S60 Switches
In this lab I use two Dell Force10 S60 switches [FTOS 8.3.3.4] to demonstrate how to stack two S60 switches together. By stacking the switches you can increase port density and manage the switches together as if it were one … Continue reading
Posted in Dell Force10, Force10 Networks, Labs, Networking
Tagged Dell Force10, Force10, Force10 24 Gigabit stack, Force10 24 Gigabit stack cable, Force10 Networks, Force10 S60, Force10 S60 Stack, Force10 S60 Stacking, Force10 S60 Switch, Force10 Stack, Force10 Stacking, Force10 Switch Stacking, FTOS, S60 Stack, S60 Stacking, S60 Switch
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Load Balancing with EIGRP
RIP, RIPv2, IGRP, EIGRP and OSPF are all routing protocols that support equal cost load balancing but IGRP and EIGRP can also support unequal cost load balancing. However, unlike IGRP, EIGRP supports VLSM (Variable Length Subnet Masking). Below I use … Continue reading
Setup Telnet Access on Cisco Switches
This quick lab assumes you already have an IP address for telnet assigned on the Cisco switch. Once that is setup and you are able to ping the IP address, you can setup telnet access on the Cisco switch with … Continue reading
Posted in Cisco, Labs, Networking
Tagged Cisco, router, setup telnet, telnet, telnet access
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