Apr 11

How to upgrade the PROM code on an D-Link xStack series (DGS-3324SR, DGS-3324SRi, DXS-3326GSR, DXS-3350SR) switches?

Step 1: Run HyperTerminal from Start > Programs > Accessories > Communications > HyperTerminal.

Step 2: On the Connection Description window, enter a name for this connection. Click OK.

Step 3: On the Connect To window, select the COM port that the serial cable is connected to using the drop-down box next to Connect Using. Click OK.

Step 4: On the COMX Properties (X represents the COM port number) window, select the following settings using the drop-down boxes:

* Bits per second – 115200
* Data bits – 8
* Parity – None
* Stop bits – 1
* Flow control – Hardware

Click OK.

You will now see a blank screen which shows Connected at the bottom left hand corner of the screen.

Step 5 Log into the switch and then reboot the switch.

Step 6 Press “#” (Shift + 3) before the POST runs to 100%.

DXS-3350SR-a

Step 7 After a short delay, the switch will attempt to establish a connection to the Z-Modem, as shown below.

DXS-3350SR-b

Step 8: Click Transfer -> Send File, which will open the “Send File” window:

 DXS-3350SR-c

Step 9: Choose the PROM file to be upgraded by utilizing the Browse button and pressing “Send.” After the file transfer has completed, the device will reboot automatically.
IMPORTANT: During the reboot process, DO NOT power off the switch. Doing so will cause a boot failure and the device cannot be rebooted. The RMA (Return Material Authorization) process will be needed for recovery.

DXS-3350SR-d

Step 10: After rebooting, the PROM version will be changed.

DXS-3350SR-e

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Feb 24

Please Login the D-Link DGS-3612G Switch,default IP is 10.90.90.90.

The IP Address may initially be set using the console interface prior to connecting to it through the Ethernet. If the Switch IP address has not yet been changed, read the introduction of the DGS-3600 Series CLI Refence Guide or return to Section 4 of this manual for more information.

To view the Switch’s current IP settings, click Administration > IP Address, as shown below:

DGS-3612g

To manually assign the Switch’s IP address, subnet mask, and default gateway address:

1. Select Manual from the Get IP From drop-down menu.

2. Enter the appropriate IP Address and Subnet Mask.

3. If you will manage the Switch from the subnet on which it is installed, you can leave the default address (0.0.0.0) in this field.

4. If no VLANs have been previously configured on the Switch, you can use the default VLAN Name. The default VLAN contains all of the Switch ports as members. If VLANs have been previously configured on the Switch, you will need to enter the VLAN Name of the VLAN that contains the port connected to the management station that will access the Switch. The Switch will allow management access from stations with the same VID listed here.

NOTE: The Switch’s factory default IP address is 10.90.90.90 with a subnet mask of 255.0.0.0 and a default gateway of 0.0.0.0.

To use the BOOTP or DHCP protocols to assign the Switch an IP address, subnet mask, and default gateway address:
Use the Get IP From pull-down menu to choose from BOOTP or DHCP. This selects how the Switch will be assigned an IP address.

IP MTU Settings

The IP MTU Settings window is used to configure the IP layer MTU settings on the Switch. The MTU is the largest size of IP datagram which may be transferred using a specific data link connection. The MTU value is a design parameter of a LAN and is a mutually agreed value (i.e. both ends of a link agree to use the same specific value) for most WAN links. The size of MTU may vary greatly between different links. Instead of making routers fragment packets, an end system could try to find out the largest IP packet that may be sent to a specific destination.

When one IP host wants to transmit an IP datagram, it is usually preferable that the datagrams be of the largest size that does not require fragmentation anywhere along the path from the source to the destination. The path MTU is equal to the minimum MTUs of each hop in the path.

To configure the Switch’s current IP MTU settings, click Administration > IP MTU Settings, as shown below:

DGS-3612g-1

IP Interface Name:Specifies the name of the IP Interface to be used.

IP MTU (512-1712):The user can configure each interface’s IP MTU. If the user does not designate an MTU value when creating an interface, the default value of 1500 will be used.

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Feb 23

Currently the only Web Smart D-Link Switches that support 802.1q VLANS are the following:

  • DES-1250G
  • DES-1228
  • DES-1228P
  • DES-1252
  • DES-1316
  • DES-1526
  • DES-3252P
  • DGS-1216T
  • DGS-1224T
  • DGS-1248T

Setup VLANs on D-Link Web Smart Switches,DGS-1248T As an Example:

DGS-1248T

Step 1: Open a web browser and login to the web-based configuration of the DGS-1248T.

Step 2: Click VLAN on the left.

DGS-1248T-a

Step 3: Click Add New VID.

DGS-1248T-b

Step 4: Enter the VID number. This must be a number between 2 and 4095. Select the ports that you want in the new VLAN and then click Apply.

DGS-1248T-b

Step 5: Select Port VID Setting using the drop-down list next to IEEE 802.10 VLAN.

DGS-1248T-d

Step 6: Enter the VID next to the corresponding ports and then click Apply.

DGS-1248T-e

Step 7: Un-check the ports you configured with the new VID from the default VLAN and then click Apply.

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Feb 22

First you can get a Gigabit connection link.

A common problem when connecting different gigabit devices is Auto-sensing between the two different ports. When connecting two Gigabit devices it is imperative that the port speed be set the same on both sides.

Some Managed Gigabit products have the ability to have the port speed set at either 1000Mbps/Full duplex or Auto. Other Un-Managed products don’t have the ability to modify the port speed at all. If you are using an Unmanaged device, or a device that doesn’t have the ability to set the port speed at 1000Mbps/Full duplex, you may not be able to connect to a device whose port speed is set to 1000Mbps/Full duplex.

DGS-1016D

If the link speed is not 1.0 Gbps, then the cabling between the two endpoints should be examined. If using Gigabit over Copper (1000 Base-T) than you can use Ethernet cable Cat 5 or better (Cat5E, Cat6 or Cat6E). If the cable is pinned improperly, than the network connection will not run at gigabit speeds. Gigabit over copper uses all 8 wires of the Ethernet cable.

If you are using a store bought/factory pinned cable, and the connection speed is still not connecting at 1.0 Gbps, there may be a bent/broken pin on either the NIC, or the switch port. Isolate each portion of the possible problem, until you are able to find the defective port on the network. This can be done by using known good gigabit ports, and cabling.

How do I uplink to another hub or switch?

You can always connect an Ethernet hub/switch to another hub/switch. Some hubs/switches have uplink ports, and others do not. The configuration for all scenarios is listed below. Note: These examples are for 10/100 hubs and switches. Gigabit switches and NICs will always use a straight through Ethernet cable when connecting two devices together. There is no such thing as an uplink Gigabit port, or a crossover Gigabit cable.

NORMAL PORT TO NORMAL PORT —- CROSSOVER CABLE
UPLINK PORT TO UPLINK PORT —- CROSSOVER CABLE
UPLINK PORT TO NORMAL PORT —- NORMAL/PATCH CABLE
NORMAL PORT TO UPLINK PORT —- NORMAL/PATCH CABLE

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Feb 22

This button is the Wi-Fi Protected Setup button. Wi-Fi Protected Setup (WPS) is a simple way to connect to a wireless network without much configuration. With WPS, it will automatically configure a wireless network with a network name (SSID) WPA security key and authentication. WPS is designed to support various Wi-Fi certified 802.11 products.

DGL-4500left

wps help:

D-Link Wireless N Network Camera Installation And WPS DCS-930L As an Example

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