Question about D-Link DES-3226S (des-3226tg) 24x10/100 Mbps Networking Switch
I want establish communication with ( VoIP-SIP) ,the élements of my Network are PABX BCM50, Router D-Link and Hypermédia, when I call à GSM from the phone connected to the BCM, the person with GSM hear me but idon't hear him. I think that the the problem comming from a bad configuration of SIP and RTP protocoles in D-Link, because I'am not competent on configuation of D-link.
Please help me,
SOURCE: Won't allow connection to router
Since each of these devices is rated for 1000Mb/s, everything should be compatible. Make sure the NIC driver is up-to-date on your computer....and use automatic settings for speed and duplex wherever you have the option of setting it. The only other thing I can think of is to try a "crossover" cable between the router and switch...although this function is usually handled automatically in most modern interfaces.
Posted on Jan 10, 2008
Layer3 is the Network Layer of the OSI Model, IP operates at Network Layer, OSI Model comprises of 7 layers, Application, Presentation, Session, Transport, Network, Datalink, Physical layers.
It is a model to follow when you are building Operating systems, applications to be used on the internet or compatibility with others.
Hope this helps
PS : Read about it on the wiki link i have provided, let me know for any other questions you may have.
Posted on Sep 26, 2008
Is the PC's connected to the D-Link able to browse the Internet? Sometimes the MAC Address will bind to certain IP's and must be cleared out when the Router is replaced. Please unplug the power to the router, X-Box and Cable or DSL modem. 1st plug in the power to the DSL/Cable modem until the "Ready" light comes on. 2nd plug in the power to the D-Link Router, wait 30 seconds then plug in the X-Box, power on and test. If a computer plugged into the D-Link will browse Internet then this is the solution to your problem.
Posted on Nov 28, 2008
i think it it ehternet cable problem.
when u connect switch to swith it is twisted pair but when u connect router to switch then straight.
Posted on Dec 31, 2008
Which model are you talking about ? I have included both
Here is the OSI model
Layer 1 = physical medium & signal on the wire (physical)
Layer 2 = MAC Address and SNAP (ATM) (data link)
Layer 3 = IP Addressing V4 V6 (network)
Layer 4 = TCP/UDP (RTP, RTSP) (transport)
Layer 5 = Duplexing Half or full (Session)
Layer 6 = HTTP, FTP, SNMP (presentation)
Layer 7 = Web browser, FTP Client, (application)
Layer 1 = physical medium & signal on the wire (physical) (Hub and reapeter)
Layer 2 = MAC Address and SNAP (ATM) (data) (Switches and bridges)
Layer 3 = IP Addressing V4 V6,
Layer 4 = TCP/UDP (RTP, RTSP) (Internetwork) (Firewall, IPSEC) Routers
(This function is split between 4&5) Duplexing Half or full
Layer 5 = , HTTP, FTP, SNMP, Web browser, FTP Client, (application) (programs)
I hope this helps,
Posted on Feb 11, 2009
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