Join Mark Jacob for an in-depth discussion in this video Why use a relay agent?, part of Learning Network Routing.
- Let's say you are the network admin in your…environment and you're configuring your network…and you realize, you know what, I don't have a DHCP server…configured on every single one of my network segments.…Does that mean that I have to go…configure more DHCP servers?…And I could be using Microsoft DHCP servers,…I could be using various networking devices…with that capability, it doesn't matter.…The key is, what if I don't have a DHCPP server…on every single network segment?…Let's take a look at a possible environment.…
Let's say I have sub-network segment over here,…and I have machines plugged in here that our on this,…and this can represent lots of users, who knows.…But this is connected to, and let's say in this case,…I've got a box here that's performing the…functionality not of a DHCP server though.…My DHCP server for my environment is actually…someplace over here in some other sub-net.…So this is my DHCP server, but these…clients here, they need IP addresses.…
So, thus introduce the topic of a relay agent.…
- Describe what a trunk link is.
- Explain what a virtual local area network (VLAN) is.
- Cite reasons for using a relay agent.
- Differentiate between distance vector and link state protocols.
- Recall how to implement Open Shortest Path First (OSPF).
- Explain how to route between VLANS.