ethernet's questions - Chinese 1answer

591 ethernet questions.

We have some devices connected together through a switch. We need to access them through another network, but because of IP counts limitation we cant get IP from that network. Q: How to access my ...

The network has 2 subnets: i) 192.168.1.x ii) 192.168.100.x The telecom optical modem sits at 192.168.1.1 A cisco router and windows server are present on the network. DHCP and ...

If I have a typical unmanaged switch connected to a server at 1Gps and several clients at 100Mbps, will the switch buffer the packets? For example, if two clients are downloading files, can the ...

What is Ether? is it the same meaning with Ethernet?

If I have a GPON ISP, is it possible, and if possible, is it faster or better, to use a GPON ONT<->SFP adapter directly into a server rather than using a GPON ONT<->GigabitEthernet interface or ...

I am very new to this field and I want to ask a quick question about IP/Device HTTPS. When we type in the IP address of the device (cisco switch, router, firewall, etc), we can access to the web ...

Some Ethernet SFP modules have them, some do not. What is the yellow springing mechanism and the attached metal wire meant for?

The serialization delay is the amount of time it takes to forward bits out of an interface. A 1 gigabit per second interface can send 1 billion bits per second. One billion bits per second equates to ...

Theoretically speaking, as far as I know Ethernet was developed to be used as a broadcasting protocol and technology. I guess nowadays it is not being used this way. Since ALL the examples I see refer ...

I am in an intercom network with 2 telephones at 2 different places A and B. If I pick up receiver at A and dial a certain number, the phone rings at B and I can speak. I have ethernet based ...

I've the following frame ethernet: 08 00 20 0A 70 66 08 00 20 0A AC 96 08 00 45 00 00 28 A6 F5 00 00 1A 06 75 94 C0 5D 02 01 84 E3 3D 05 00 15 0F 87 9C CB 7E 01 27 E3 EA 01 50 12 10 00 DF 3D 00 00 20 ...

I have researched about Ethernet keepalive for quite a long time and I think it is time to check whether what I know is correct because I found no certainty in this topic. Ethernet keepalive is: to ...

I've been reading about the differences between MAC and IP addresses, and why we need both of them. To summarize, MAC addresses are physical unchangeable unique IDs for every single device while IP ...

I have to set up our network in our new office. I'm no networking expert (developer), but I need some input and advice here for some things I wonder about. I have purchased the following: 2 x Cisco ...

I have two Wi-Fi modules (Moxa AWK 3131) from MOXA. I am trying to set up these two modules in such a way that they can talk to each other. I have connected them as follows, I have configured the ...

Over (Software defined network) what will happen when unknown Ethernet hits the first switch, using 4 OF switch and 8 host.

On a CAT 7 Ethernet cable each twisted pair is individually shielded, and all pairs together are inside a shielded jacket: Colors of the wires may change, for instance I recently got my hands on a ...

What exactly is IPoE?

2 answers, 8.848 views ethernet ip pppoe
I am familiar with PPPoE but getting confused with the term IPoE. Is this same as usual ethernet with DHCP server? Does this have any auth built-in? How do I get authenticated? What can a client ...

I'm currently trying to investigate the extra benefit that Ethernet has to offer for the internet today. As far as i investigated & know, Ethernet gives us a new hardware, cables and functionality ...

I'm doing course for CCNA and in one lecture teacher showed how to make a crossover cable for Gigabit Ethernet. But as I know Gigabit Ethernet uses all wires of twisted pair cable and each pair is ...

I understand that hub always supports for half-duplex communication. In that case we should use one out of four UTP pairs. However, I read that for 10BaseT ethernet two pairs of UTP cables are used ...

I have knowledge terminating CAT5 UTP. But, for an installation in a remote office, the cable will be routed near a power source which we already know causes a substantial amount of 'noise' on ...

Per the question, Lets try to clarify a bit. Can a switch that has a router connected to it, segregate traffic (using a VLAN) from traffic that is part of the modem/router the switch is connected to? ...

My question is what is happening during the initial connection to a wireless network , is there an Ethernet connection first and then DHCP or something else is happening before the device receive an ...

My question is related to creating an unidirectional network cable. I used these tutorials: Receive-only UTP cables and Network Taps ONE-WAY CABLE FOR IDS DEPLOYMENT In principle it works by ...

I'm teaching assistant in a Networking 101 course. From my past experience with such courses, I found that some students gets lost when we have to run some algorithms manually with pen and paper, and ...

I have two old legacy system communicating each other using CentreCom 210TS 10BaseT Ethernet Transceiver. The Transceivers are connected to AUI port of system. SQE test is disable on both transceiver. ...

I was reading a product sheet about a Metro-Ethernet backhaul service which mentions, which is described as a mechanism to connect two datacentres within the same region (ie, city) via point-to-point ...

All i have learnt and understood so far about VLAN is - we can create a max of 4k VLANs (subjected to platform capability). However, as per the protocol 802.1Q there is only 12 bits kept for ...

First of all, I am a total noob. The extent of my VLAN experience is setting up a guest network on a wireless router. I have recently gotten a request to set up a public network requiring filtering ...

I have been very interested in networking for quite a while, and I have been wondering this question. I've been thinking about this in complete binary, meaning how does a 0 of a data packet not get ...

I am a business owner with multiple BT Buisness Broadband lines. We have two sets of VOIP lines and two sets of PC's, each with there own switch board. The problem that we have is that our lines go ...

I'm slightly confused about the significance of the SNAP header. Attached is a DTP capture between 2 switches. Could someone elaborate on what 0xaa signifies? I also notice that CDP/VTP/DTP/PAgP/UDLD ...

I wonder what can cause the first line output of the command show interfaces to be: FastEthernet is up, line protocol is down. In other words, Is the cable that is connected to the local interface, ...

I want to know what is the EtherType field of a BPDU frame in various versions and variants of the Spanning Tree Protocol.

Do routers ever combine multiple small frames into a jumbo frame then split them up again on the other end? I know that most of the time it wouldn't make sense to do because you would add latency by ...

Given that hubs are essentially the same as switches, as far as I know, except they share bandwidth between all connected devices, while switches do not, resulting in faster connections. I am simply ...

Consider the following: NAS with 10G interface connected to 10G interface on switch. Client computers connected to switch via gigabit Ethernet. Will there be any gain in performance if MTU size is ...

the CCNA guide states that the CSMA/CD protocol is used to stop devices on the same medium e.g. same wire like on a bus network transmitting simultaneously to avoid collisions. Now please tell me, if ...

I am preparing for CCNA and i came across both VTP and DTP. It seems confusing. Are they both trunking protocols to trunk interfaces? But the modes are different for each. Can someone explain how they ...

Let's say we have 4 machines connected to a layer 2, managed switch which is connected to a layer 3 switch. Say that 1.2.3.0/24 is routed to the layer 3 switch. Our goal is to have 1.2.3.0-63 usable ...

The rule of thumb is to pair the cable with the same type of termination. However, the wiring in place is CAT6A UTP and the equivalent RJ45 wall modules aren't easily available so wanted to ask if ...

I'm contemplating a 10 Gigabit link between an Intel x520 NIC and a Cisco SG500X switch. These two would be within 5m of one another, so using one of the Cisco SFP+ passive Direct Attach cables like ...

I know that coaxial cable can use CSMA/CD but can UTP used it also? and can you guys explain it how is it done or work? thank you so much for your answer

We have 8-wired ethernet cable in the wall and wall socket for two ethernet cables. I am facing the decision how to connect the wires. I know about two basic possibilities: I can use the cable as ...

Is there such a thing as an Ethernet cable or technically no? Are they actually called UTP cables? From wikipedia UTP cables are found in many Ethernet networks and telephone systems.

I'm in an A+ course and was just working on wiring Ethernet cables. I was wondering, will an Ethernet cable function if the wires are reversed? Say instead of wiring 568B like striped orange, orange, ...

We're working with a metro ethernet provider to bring up a new multi-point connection between our sites. Currently we're just trying to get it working with two sites. As a simple test I've plugged in ...

The definitions I've read say that crossover cable is cabling which the receive and transmit pairs are swapped around. My question is based on the fact that beyond this, I've seen some diagrams which ...

I'm looking to install ethernet ports in a small business. There are 7-8 groups of cubicles each with 4 desks. Ideally I'd like to run a cable to each desk but if my math is correct I'm looking at ...

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