Welcome back. All right, something new voice VLANs right voice. This is not the voice certification so we don't get deep into it. But IP phones provide data connections for our users PC in addition to its own voice data stream, while single Ethernet cable drop per use, yes, one cable, and one VLAN. Right when you're creating VLANs, you can do it I say VLAN 20. It can be under the same one.
And you'll see why there'll be a lot for this and you'll see it. A switch can use one cue trunk link provides security and QoS switch can use an access link or trunk link. Okay, data must be combined over a single line. All right, you're gonna see it anyway. I the physical topology. Now this is where people there's two ways of doing it.
There's two ways you can connect the phone to the PC and the phone to the switch. And then the switch to the call manager or the router or whatever, okay? that's given the information because, you know, upload all the files to the router, unless you have a call manager in itself that's going to handle all that information. Okay. But the point with that, the bad thing about that is if you have the PC to the phone on the phone to switch if something happens to the switch, that's one point of failure right there. So some people like to do just a switch for a bunch of phones and your switch through computers, so separate them and then you know, something happens to this switch the wall and the phones don't work, but they're your computer so good to go.
So there's two ways that you can do it and this is what this is trying to say. All right, IP phone should have their own switch using their own connections. Should should not have to should Okay, configure the call manager. If you're using a call manager, obviously our call manager will be a router. Also you can use symbol connect to PC the IP phone like I just told you and you're about to see whether the phone goes down though already. He told you that secret a single point of failure.
Lovely already told you all that good stuff. All right, so this is really going to be your lab. Okay, right here, you have one switch. All right, you're gonna have a no router 2811 that's gonna be a call manager. We're going to configure the telephony in here, where here, we're gonna do all the other configurations, like the DHCP, putting the IP addresses on the router, all that good stuff, no routing protocol needed, right, we're all plugged into the same switch. And then the computers will be all DHCP enabled.
But we're the IP phones, the IP phones, remember from here to here is PC because when you click on that, you can see you have a cross over here, and you have a straight through here. So pay attention to that. Now working device. Now we're gonna device and device, okay, ah, because it's IP. So, straight through, cross over straight through crossover. But again, when we get into a lab, you'll see all these little details and then you configure your VLANs when you Configuring VLANs in there, you're going to say you remember you put switch port mode, get your interface as your one, switch port mode, access, switch port access, VLAN, 10, nangal, switch port access voice.
And then 20, whatever it is, okay, you're going to VLAN 20, you're gonna see, you're gonna see, all right, it's gonna, it's not that difficult. It can get hairy sometimes with the packet tracer, because there is no files for telephony or anything like that. But the cool thing about it is that you can actually make these phones rain, you can call one another. And I'll show you before we destroy what we did. I'll show you what I did. I'll show you how they call each other and stuff like that.
It's pretty cool. But a very basic, very, very basic, there's no real call manager, okay, where you can monitor and do all sorts of stuff on there, but at least you get the basic idea what you're gonna do. And this is not the preferred method. Remember what it said? This is not the preferred method, because if anything happens here, then your PCs out of gas. So you want to switch by itself with the phones and a switch by itself for the PCs.
I'm just gonna show you the basics again, there's another voice configuration, I mean a voice certification. Alright, so just so you can get an idea why so if you go out there and ask him, you know, boys, well, I know this, this is alright, creating he phones, dialer, numbers, you know, all these different things. option, which is the key, we get into a lot we get ahead of myself. When I get into a lab. Do you see that one command? Like a make it or break it?
Okay, so with that said, I'll see you there.