Config Lab: OSPF DR Priority

Config Lab: OSPF DR Priority

🕔09:05, 24.Sep 2021 OSPF includes many optional features. Depending on the network, particularly the WAN, you may ignore some of those features while possibly using others. The choice to influence which router becomes the Designated Router (DR) matters in some cases, and you Read Full Article
Config Lab: Multi-area OSPF 2

Config Lab: Multi-area OSPF 2

🕔19:05, 21.Sep 2021 A router configuration can enable OSPF on an interface directly using the ip ospf interface subcommand. In fact, the configuration is more direct and obvious than the old traditional use of the OSPF network subcommand. This lab combines OSPF interface Read Full Article
Config Lab: Multi-area OSPF 1

Config Lab: Multi-area OSPF 1

🕔17:05, 21.Sep 2021 When using the OSPF network command, whether single area of multi-area, you have to be careful with the wildcard mask used and which interfaces each network command matches. With multiple areas, that concern increases, because incorrect matching can place a Read Full Article
Config Lab: OSPF Network Config 2

Config Lab: OSPF Network Config 2

🕔16:05, 21.Sep 2021 What if your #CCNA exam required you to configure the OSPF network command with a particular style of mask? What if it said “match all addresses in the subnet”, or “match all addresses in the classful network”? Or even “match Read Full Article
Config Lab: OSPF Network Config 1

Config Lab: OSPF Network Config 1

🕔15:05, 21.Sep 2021 The OSPF network command can cause a bit of mental trouble for anyone just starting out. The reason: the first two parameters require us to do a little math, compare that result to the router’s interface IP addresses to then Read Full Article
Config Lab: OSPF Interface Config 2

Config Lab: OSPF Interface Config 2

🕔11:05, 21.Sep 2021 It’s too easy – enabling OSPF per interface rather than using the old IOS network command. In some ways, we may not trust that it’s that easy. So get some practice with today’s lab, a nice clean set of OSPF Read Full Article
Config Lab: OSPF Interface Config 1

Config Lab: OSPF Interface Config 1

🕔09:05, 21.Sep 2021 From the first days of OSPF in Cisco routers, OSPF configuration has included a network command. The network command enables OSPF on that router’s interfaces, but it uses indirect logic. In fact, the network command does not list interface numbers. Read Full Article
Config Lab: L3 EtherChannel 1

Config Lab: L3 EtherChannel 1

🕔19:05, 17.Sep 2021 Layer 3 switches, SVIs, routed ports, and L3 EtherChannels. Those topics alone make this lab fairly advanced for CCNA prep. Today’s lab focuses on the L3 EtherChannel, but also gives you a chance to configure the rest of the features Read Full Article
Config Lab: Layer 3 Switching w/ Routed Ports

Config Lab: Layer 3 Switching w/ Routed Ports

🕔17:05, 17.Sep 2021 Layer 3 switches, aka multilayer switches, route packets using the same logic as IP routers. For ports connected to another layer 3 switch or a router, the layer 3 switch benefits from using that port as a routed port. In Read Full Article
Config Lab: Layer 3 Switching w/ SVIs

Config Lab: Layer 3 Switching w/ SVIs

🕔15:05, 17.Sep 2021 Layer 3 switches, aka multilayer switches, route packets using the same logic as IP routers. A layer 3 switch can simultaneously support layer 2 features such as LAN switching and VLANs. To route packets for devices in those VLANs, the Read Full Article

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