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討論區規矩與守則
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I mean though you just use the junk modem the way it is with one working ethernet port and plug a seperate wifi router into it and use that for all your connectivity?.
So, basically I would connect that router to LAN1 port on ZTE router and I will be able to use ZTE for STBs and WiFi in one room?
And all LAN ports will work on new router so I can connect PC and Raspberry?
And I'll have WiFi signal from that new router too?
Sorry for asking dumb question. I just never saw any other router than ZTE in real life.
And which one should I buy?
Purchasing electric from local stores is not an option because they only sell overpriced junk that breaks in few months.
So I'm usually purchasing from GearBest.
I'm planning to spend about $30
$50 is the maximum I could give.
https://m.gearbest.com/Router-_gear/
Which one should I get?
I am imagining it will work. Can't make any promises but that's why I would like someone else to step in and correct me if I'm wrong. I always get a modem and a seperate router. I disable my modem's wifi ability and use a real router for my connectivity. Unfortunately it cuts down my bandwidth of my ISP's internet because it's not on wire but I'm fine with that. If I really wanted or was close enough I'd go with wire but wireless is fast enough for me.
the ASUS RT - AC1200GU AC1200M looks pretty good for the price.
My internet is already slow (Speedtest usually shows download between 2 and 5 Mbps and upload between 0.2 and 0.4 Mbps)
So I would use wired connection because I don't want to slow it down even further.
So, how would exactly I connect the router?
https://steamcommunity.com/sharedfiles/filedetails/?id=1875016235
My ZTE router is getting connection through that DSL port.
And that ASUS router also has 1 DSL and 4 LAN ports.
Do I connect Ethernet cable from ZTE's LAN1 to ASUS's LAN1?
Or is there Ethernet to DSL cable so can connect ZTE's LAN1 to ASUS's DSL port?
And what's the difference between that LAN4 port on ZTE router and other 3 LAN ports?
well, mine isn't really slow it's just not as fast as I can get on wire. I pay for like 150 mbps but get like 60-70 mbps over wifi. If that's your modem the router should go into LAN1 (if that's the working port). The modem should have like a seperate input port where the modem is going to feed the internet to like in this picture (https://dlcdnimgs.asus.com/websites/global/products/assWQeKLLsXNBIXl/img/rt-ac66U_b1.jpg). I disable the wi-fi capabilities on my actual modem leaving just my router spitting out a wi-fi signal. From the router you should be able to connect whatever you want to the lan ports or wi-fi. You should be able to use all four ports on the router unless the router you get is gimped somehow also. I guess that 4th port is higher speed or for some special need that i don't know and wouldn't even bother to google. Really shouldn't matter. You should be able to connect to that one with the router if you want, I don't think it would hurt the connection. As far as the modem is concerned when you connect the router it's just the same as any other device asking for internet access, but the router is really turning that one ip into a bunch of different ip's for everyone else.
I'm gonna buy that router and hope it'll work fine.
I need to explain something you'll need to know. There is two ways of connecting a router to another device.
WAN to LAN
or
LAN to LAN
In a LAN to LAN configuration you will have to disable your DHCP server on the first router.
in a WAN to LAN you can leave both DHCP servers active IF they have separate network address. For example
10.0.0.1 (Main router) (DHCP server active)
192.168.0.1 (Secondary router active)
Not sure if he's confused by this but I am. I just plug my router into my modem without disabling dhcp on either. What is the difference between WAN to LAN or LAN to LAN as far as regular home setups go?.
You can segment the networks more, you can have both NAT's active on both devices. Technically WAN to LAN is much more secure. It gets more complicated when you start introducing things like multiple subnets and multiple routers using a routing protocol.
But anyone can choose to do this or not?. It's not like if you leave dhcp active on both devices it will break his internet?.
I run double NATs doesn't really both me.
I still don't fully get it but how much more secure is it if you take that extra step and why is it more secure?.
WAN to LAN is technically more secure because your devices are isolated from the other LAN so this means your devices that are inside the LAN connection isn't broadcast outside that LAN. So things like broadcast messages ARP and the alike sent across the network are not received by every device. In a LAN to LAN and the LANs are in the same subnet if they can communicate E.g 192.168.0.1 255.255.255.0 and
192.168.0.5 255.255.255.0 these are in the same subnet therefore they are in the same broadcast domain. Meaning any broadcast messages are received by all 253 other computers in this subnet. When a switch receives a broadcast it forwards it out all ports except the one it received it on. Now you can segment broadcast domains on LANs but consumer grade equipment isn't really made for this and this is where routers and switches become a bit blurred to have separate broadcast domains you need VLANs, VLANS or virtual local area networks allow you to separate different groups of ports from each other this means VLANs from one network cannot communicate with each other, but they can if you introduce a layer 3 routing device. The two main ways are router on stick and SVI or Switched Virtual Interface basically an SVI is a virtualized interface similar to a single port router on stick than can take a lot more traffic usually reserved for high performance layer 3 switches.
Ideally you want to use a router to separate broadcast domains from each other. For example
Company A has a multi-homed WAN say high speed DWDM network has a specific IP thats not broadcast across the internet as it's a Private leased line, you don't want to advertise your LAN inside network to the outside WAN network. So you'd use the router advertise ONLY the needed networks to allow connection with the other WAN network. Because behind your "NAT" network the router is going to receive the messages from the LAN then translate them into Dynamic-NAT tables resulting in a few different IPs being sent to the router translating the company inside network addresses to outside addresses. The answer to your question is long and complicated and the CCNA covers it in some detail but not enough.
LAN to LAN configurations are much more simple. Most devices which are not enterprise cannot have individual NICs configured with different IP addresses whereas on things like MicroTIK, Ubquiti, Juniper, and CISCO can all have different IPs for each NIC port. Routers for very large high performance networks like found in data centers are seldom used these days, most is now hanadled by AISC chips that can route in the order of Gigabits even Terabits of line speed.
Cataylst series which are designed for ISPs 6500X's etc. Can do this.
In summary routers form the boundries between each network and handle things like NAT tables, firewall filtering, QoS prioritisation, and dynamic routing / static routing. As I said most of this doesn't matter to the average home user. Unless your like me who is a power user who uses homelabs.
Yeah, all that seems way over my head. But when you said there's something he needs to know I thought it was like his internet won't work for sure unless he disables dhcp or something.