Tag Archives: Cisco 2126XM router

OSPF Explained and Useful Troubleshooting Commands

Open Shortest Path First (OSPF) is an open standard link-state routing protocol that supports multiple equal-cost routes to the same destination (four by default). OSPF constructs a shortest path tree and then updates the routing table with the best paths. … Continue reading

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Setting-up DHCP with IP Helper-Address on Cisco Routers

In a prior lab, Setting-up DHCP on Cisco Routers, I discussed how to setup a Cisco router as a DHCP server. In this lab, I use a DHCP server setup on one subnet to provide DHCP services to two different … Continue reading

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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.

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