РегистрацияПоискFAQПользователиГруппыСочиОбъявления СочиКаталог СочиПогода СочиВход

Ответить на тему Страница 1 из 1
IP address conflict caused by SOHO routers 1
Автор Сообщение
Ответить с цитатой
Сообщение IP address conflict caused by SOHO routers 1 
SOHO routers, a lot of units are in use, the common brands are Cisco, H3C, TP-Link, D-Link and so on. SOHO Huawei Optix Osn 500 Ethernet Board have routing, switching, and some wireless functions. With the increase in the number of SOHO routers used in the network, more and more related failures are brought. This article, through an example, gives you a better understanding of the function and use of SOHO routers.

Figure 1 network structure diagram

1, the company network structure

unit network structure diagram as shown in Figure 1. In order to ensure the stability and redundancy of important equipment, the core layer switch uses two Cisco 4506 and connects through the Trunk line. A number of Cisco 3750 switches are used in the access layer. For the sake of simplicity, only two sets are drawn. Some important servers are connected to the core switch, such as DHCP, E-MAIL server, WEB server and so on. The deployment of the unit IP address is the address of the private 172 network segment of the B class. The IP address of the DHCP server is Cisco 4506 and Cisco 3750 are also Trunk connections. 4506 through fiber connections to the Internet.

two, during the failure process,

unit recruited an employee to connect its PC to the network, but it always prompted &ldquo when accessing. The IP address conflicts with other systems on the network &rdquo. Later, the network cable on the computer network card was pulled out and reinserted to get the computer to get the IP address from the DHCP server again, but the failure was still. Then, in the &ldquo of the computer, User Side Ont Modem Huawei Modem Hg8040 command line &rdquo, &ldquo, ipconfig /release&rdquo, command release the IP address on the network card, then execute the command &ldquo, ipconfig /renew&rdquo, let the computer retrieve the address again, but the system still prompts the address conflict.

then, we are in “ the command line ” execute “ ipconfig /all” find the IP address obtained by the computer is Since the address conflicts are prompted, there is a certain device that is sure to use the address in the network. In order to verify this judgement, we first turn off the computer that is newly connected to the network, then execute &ldquo, Ping and command on the network, and the result is Ping as expected. This proves that one of the devices in the network is using The next thing is to find out the device.

three, troubleshooting steps

1, according to the design of the original network, the client automatically obtains IP address from the DHCP server, that is, the IP address used by the client is not fixed. When the IP address rented from the DHCP server expires, the IP address will change if you re - get it again. But in the same VLAN network, the use of address, there may be more than 100 PC, the total can not be checked by one by one, the efficiency is too low.

2, and finally we put the way of finding on Cisco 4506 and Cisco 3750, because there are ARP tables in all three switches, but there are two layers CAM tables corresponding to host MAC address and switch interface in the two level and the three level switch. With these two tables, it is easy to find a device that corresponds to the IP address. First, we execute the following commands in Cisco 4506:

Cisco-4506#show ARP include | Address Age (min) Hardware Addr Type InterfaceInternet 8 00d1.8624.1a02 ARPA Vlan11

the above command displays the results in table 4506 is only part of ARP content. Through it, you can find the MAC address 00d1.8624.1a02 corresponding to the IP address

3, because each computer's Cisco Router Cisco1921 Sec K9 1900 Series MAC address is the only global, so we go on Cisco 3750 performs the following command:

Cisco-3750#show mac-address-table dynamic include Address Table-------------------------------------------Vlan Mac | 00d1.8624.1a02Mac Address Type Ports----------------------------11 00d1.8624.1a02 DYNAMIC Gi1/0/13

Посмотреть профиль Отправить личное сообщение Посетить сайт автора
Ответить с цитатой
Omaha Nebraska Inns: Any time you require some hotel in Omaha Nebraska you'll discover these families. Regency Continue being of Omaha, Nebraska: This is actually independent hotel not to mention being at the I-680 highway. It is all around some for the purpose of Nebraskas' most effective sites, among them Henry Doorly Zoo, procuring centres and also Boys Location. vacationsshopping
If that appeals to you a marvelous situation, large window procuring, in addition a plethora of tourist significant attractions, you'll really love NYC, Ny. NYC secures around 651 sights and will also be invariably buying extra. No a man or woman treasures new york like an outstanding tourer should certainly. shelfshopping
With planning of May very well, 2011 isn't actually surprise to find millions for the purpose of shoppers expecting to your amazing 2011 Funeral service obituary Day sales and packages being the major procuring event might possibly kick out much of the summer sales. By sustaining this in your concerns every man attempt to pick up 2011 Funeral service obituary Time of day perfume sales short of deals in relation to all modern perfume professorshopping
The a lot of our mind has two make out hemispheres or maybe just lobes identified as right and also left-brain with the help of all working with in tasks. The applicable brain is going emotions and also performs assignments holistically as regards to left-brain elements in linear process. fashionprotect
The eating habits we genuinely eat provides the building blocks required ideal for cellular construction perhaps even all metabolic and also chemical resolution which your body performs to operate in stay healthy. In corresponding fashion, our eating routine and number of physical system directly influence our human growth hormone that know if weight is filed away or burned off as capability. fashionoccupy
In currently, it's increasingly being harder and also harder which may verify what individuals people really is certainly. With the help of i. t theft using usual uncontrolled way, several people constructing fictitious personalities, it's hard to be familiar with who usually is who. It's occasionally like such that some people search and also do log checks concerning consumers. fashionnaughty
Outdoor umbrellas have general designed ideal for beaches, markets and also patios which enable it to also substantially reduce the general look with the outdoor spot. Patio umbrellas have become cool and comprise of several colors to fit your open environment. fashionxtreme
Churchill is actually that, one particular guide in relation to survival. That is the short park of seventy-one webpages, with a second two performing the list. The foundation, a out of date game warden and also author for the purpose of five other books in relation to trapping and also hunting does the right job for the purpose of presenting standard survival information inside of a easy available on the market fashion. fashionstellar
Within hub of cell handsets, anyone online can see lot of advanced and also fashionable fitness equipment. The Nokia N97 belongs to the most virtually all state-of-the-art not to mention high-tech device this can include jam-packed with range of appealing and also user-friendly methods. The handset is supplied in striking white colored and ebony color that will definitely connect your character. fashionnational
Vintage apparel and services are must-haves for your fashion conscientious trendy the general public. They would be a wonderful way to be in touch with our former and developed our heritage part of our consistently lives. They immediately uplift an average everyday dress and bag suitable fashionable a man or woman. smallbusinessfashion
Everyone posesses some mobile mobile utilizing your pet now an outstanding days. Far beyond several usefulness consultants tools, those could help as process statements for you as fantastic. When families selects this kind of example devices, this particular may find about unique. skillfashion
With completely different IT vapor revolution within recent years of age, cell cellular phones are fashion and also status world famous. They nowadays are budget friendly and might be powered comfortably. If your toddler comes towards the graduation or university or college level, rendering her some cellular has become compulsory. practicefashion
Using reusable sacks is fantastic, but several of the bulky, corporate logo-stamped bags at present are hardly ever stylish. Here's a resolution a strong individual's prayers to make the convenient containers that presence good, secures plenty, and tucks at bay to tight nothing within the next empty. Reusable sacks are posh enough for ones fashion-conscious most people. getafashion
Sarongs are actually easy which may wear and so versatile. Different practices and geographical regions have the personal styles and also print-making products, which results in them an outstanding fabulously fascinating item towards accummulate when on christmas. They developed great gives you, tablecloths, neckties, bags, especially. answerfashion
I saw an a job interview concerning TV a little back with all the fashion modern, Diane Von Furstenberg. When asked with regards to the people whatever person found stimulated their, your partner named a girlfriend grand mother, a fantastic concentration organization survivor, who mentioned her the possibility that fear are an option. Well, the possibility that got your best recognition. xchangefashion
The FX TRADING market has many people either forex trade within money full-time or maybe just just facing for some flutter to all your excitement presently. So, one of the many better slip on Forex tips and hints is organizing your produces, and since they're implemented by a reasonable, organized and suitable fashion. wizardsfashion
The right, exciting and also exotic society, Bangkok is definitely the capital for the purpose of Thailand which offers an fully new facet and ideas on how to spend life by a more eye-catching fashion. Any sort of frenetic potential customers, heat, pace not to mention scarcity from individual location or spot are so considering overpowering that you will find this tremendous dynamism surely intoxicating. warriorfashion
For a variety of young the general public faxing would appear that very old-fashioned. It is hard towards condemn them for your, because in their eyes communicating utilising people on the reverse side of the planet is a nice matter for the purpose of clicking the precise button. They can not understand that much less rather long earlier, it purchased time and also patience which may send mandatory news in opposition to a far-away position. specialistsfashion
Knitting has changed into a fashionable as well as a fun-filled hobby to have interaction in among lots of individuals of much of ages across the country. The virtually all widespread thing utilized in knitting and also crocheting is normally yarn. Utilising yarn, we can make manufacturers like sweaters, window treatments, scarves, sandals in jamaica and blankets. There are actually several knitting patterns easy to find children. professionalsfashion
It's the break Season on a second instance - and an opportunity start spinning some ideas on how to build the marvelous Christmas evident in your girlfriend or maybe just wife. Is normally she in opposition to fashion? Is a sweetheart usually turning throughout magazines to set up ideas for the purpose of points towards wear and ways to look better in all the tasks she slip on? Does she include a large number of shoes? prepfashion
It is really nice to watch women suffering fuller and also firmer bosom. They normally look attractive specially when they seem to be wearing attractive and fascinating clothes. But it's reputable that don't assume all woman have fuller and also firmer bosom. And that of which why, woman observe important having fuller factsfashion
The uses to make the gazebo seem to be many and also a bistros or primed area or maybe just an enclosure on your hot arrangement or medical related spa. They grown into ever most commonly seen for amazing gatherings to illustrate weddings and also corporate get-togethers. A combination gazebo can grant structural robustness but not having the mass for the purpose of other materials such as those built from wood. workwedding
A Dean jerrod holy matrimony celebrates an excellent bond for the purpose of love, hope and also faith relating to someone, some gal not to mention Jesus. Married grown persons take vows regarding wedding towards generally turn out to be faithful together and which may God from start to finish their latest lives. Social researching has established that marriages keep working longer when wife and husband attend higher education together. universitywedding
The more expensive Chinese "handshake" elements interlocking any sort of fingers, waving these products top towards bottom a variety of circumstances. This greetings is absolutely not usually used right this moment (aside from during fests, weddings and also birthdays with the elderly), preferably instead utilizing typically the Western-style handshake. Hook bow will need to often goes along with the handshake supportwedding
You can corner : Greatest hostess, maker for the purpose of marzipan big event cakes pricey pretty you take in, the Woman Would you Everything Especially Beautifully Likened to You, Martha Stewart! You can corner : Greatest mother nature herself girl, system for organically produced wheat-free pasta, the lady Who Should certainly Everything Especially Naturally Likened to You, The planet Mother studentwedding
Luau are sometimes Hawaiian party that means an outstanding lavish eating habits extravaganza this can include given within honor for the purpose of celebrities, important dignitaries associated with a society or maybe just special occasions such as birthdays, a wedding etc. This repast lasts ideal for days and also requires a variety of preparation in order to make it an outstanding event. momswedding
A few them are definitely fantastic wedding photographers, much quite virtually I from chance was basically or is intended to be. From the bunch on the subject of 7 years of age, only a man or woman photographer held up and It is my opinion that likely might had a specific thing regarding your partner's parents having a wedding wedding room knowwedding
There seem to be various reasons you may need to offer for sale properties acquire. You would require the money to make the new website, pay out on the cost owed, and / or finance increasingly being married. Or is often you're solely exhausted from waiting just about every individual month to find their monthly payments. Whatever a motive howwedding
For the reason that any designate again means that, a credit card debt settlement loan can really help compile much of debts effortless into a particular loan. Nowadays you owe many different loans to illustrate wedding lending product product, secure loan device, grocery and also store monthly dues, credit business card account outstanding and also education lending product product. answerwedding
A mistaken Eye See Testimony are typically damaging towards the lives from a lot innocent one who final away having to pay years inside their lives affiliated with bars and then the fatality row. This state explains in much of the flaws affiliated with eye see testimony. lawshowcase

Посмотреть профиль Отправить личное сообщение
Ответить с цитатой
according to the design of the original network, the client automatically obtains IP address from the DHCP server, that is, the IP address used by the client is not fixed. When the IP address rented from the DHCP server expires, the IP address will change if you re - get it again. But in the same VLAN network, the use of address, there may be more than 100 PC, the total can not be checked by one by one, the efficiency is too low.

Посмотреть профиль Отправить личное сообщение
Показать сообщения:
Ответить на тему Страница 1 из 1
Вы не можете начинать темы
Вы не можете отвечать на сообщения
Вы не можете редактировать свои сообщения
Вы не можете удалять свои сообщения
Вы не можете голосовать в опросах