Many people want to build one of their ownWIFI_WEBCertified Network，The main technology used is Portal (Portal），It can authenticate legitimate users through WEB page。Through this technology to do a certified third-party solutions haveWIFIAP、WIWIZ，Both companies are more representative。According to my investigation，Wah also Portal Solutions，Cisco alone I have not found a correlation[……]
Triple play、Digital convergence、Triple Play is actually said the same thing，But this is different in different regions called Bale。This technology is not China Unicom、mobile、Fusion Telecommunications three communication networks (While it is true that the Big Three has cut constantly tangled lingering，But here's the reason why the variously termed privations，It is to show，This triple play，Nor that triple play。) Personally，Routing'd prefer or triple play[……]
The first run on a Windows systemAll in One的GNS3when，Have a variety of configurations setup wizard，In the testdynamipsWhen prone to "Analyzing dynamips version fails"Prompt，A lot of people stuck in here at a loss。- I have encountered this problem。
Out of the Internet，Find information related to a good few，It was agreed that as long as the installedwinpcapEverything will be fine[……]
NBMAEarly in the CCNA to have contact，Only the name has no concept of，This may be said to be the fault of the translation，After all, the back of his translation did not add parentheses correspond to write about the English name ...... ah，At least not write the full name。so，If I do change itNon-Broadcast Multiple AccessWhen you know，Yes，NBMA is a non-broadcast multiple accessAbbreviation。
Stands fornon-broadcastmultipl[……]
existRSTP (Rapid Spanning Tree Protocol)Learning which，We will know RSTP different fromPVST (Per Vlan Spanning Tree)One of the places，It isPort Roles difference。As different port states believe everyone is familiar with，But the problem of port role，Many books and tutorial included in the classroom are a passing，In retrospect，Students can not help knowing a lot of questions，Let's take a look at this，Among the Rapid Spanning Tree Protocol，How[……]
BGP recently doing exercises，Do the following topology when encountered some problems，This topology is
I configured the network segment：
among them
|
1 2 3 4 5 6 7 8 9 10 11 12 13 |
R1 R1(config-if)#do sh ip int br Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned YES unset administratively down down Serial1/0 192.168.12.1 YES manual up up Serial1/1 192.168.13.1 YES manual up up Loopback1 1.1.1.1 YES manual up up |
|
1 2 3 4 5 6 7 8 9 |
R2 Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned YES unset administratively down down Serial1/0 192.168.12.2 YES manual up up Serial1/1 192.168.24.2 YES manual up up |
[crayon-67410891b43fb[……]
In the EIGRP routing protocol，It does not seem to be able to issue commands directly to the default route，例如default-information originate
That should be how to do it? Here are two common methods：
one、Write a static default route，Then use the command to redistribute default route into EIGRP filling inside，Such routing entry[……]
In the configuration in OSPF，There are portions of the content certification，OSPF authentication is divided into two，They are
- Based authentication area
- Based authentication link (port)
Simultaneously，Authentication mode can also be divided into two，One is plain text authentication，Another is the MD5 encrypted authentication。
Here we do not discuss OSPF encryption method，It is simply illustrative ofRegional links and similarities and differences between these two types of authentication。[……]
OC standard fiber cable is commonly used in today's networks set of standards，Readily not hurt to look at memory。
OC-1 — 51.8 4on[……]
