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Question posted by sachinmannur on January 19th, 2012

Question Regarding The Delay In The Ping Reply.

Dear All, On one of the site we are using your D-Link DES1210-28P switches for IP based CCTV system. There are 3 DES1210-28P switches & 12 nos of 4 port Dlink switches. All these switches are interconnected to each other using Fiber. There are 59 nos of IP cameras connected to 10/100 ports. CCTV server & client machines are connected to Gigabit ports. The problem is whenever we ping any IP camera from server or client machine, there is a delay in the reply. The delay is 10ms/20ms/40ms. The reply should be <1ms. Due to this the video comes in the CCTV software & disappears again. This is happening with all the cameras. Can you please suggest me anything needs to configure in the switch?? IP Cameras- Pelco Make Sarix Megapixel cameras. CCTV Software:- Pelco Digital Sentry.  Thanks & Regards, Sachin Mannur. Schneider Electric India Pvt ltd.

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Related D-Link DES-1210-28 Manual Pages

Product Manual - Page 3

Table of Contents D-Link Web Smart Switch User Manual Table of Contents Table of Contents ...i About This Guide...1 Terms/Usage...1 Copyright and Trademarks ...1 Product Introduction ...2 DES-1210-08P ...3 Front Panel ...3 Rear Panel...3 DES-1210-28 ...3 Front Panel ...3 Rear Panel...4 DES-1210-28P ...4 Front Panel ...4 Rear Panel...5 DES-1210-52 ...5 Front Panel ...5 Rear Panel...6 Hardware ...
Product Manual - Page 4

Table of Contents D-Link Web Smart Switch User Manual System Settings...22 Web-based Management...23 Tool Bar ...Link Aggregation > Port Trunking 41 Configuration > Link Aggregation > LACP Port Settings 42 Configuration > IGMP Snooping ...43 Configuration > Multicast Filtering Mode (For DES-1210-08P only 44 Configuration > Multicast Filtering Mode (For DES-1210-28/28P/52 45 Configuration > Port...
Product Manual - Page 5

... for DES-1210-08P/28P 64 PoE > PoE System Settings (Only for DES-1210-08P/28P 65 Time-Based PoE > Time Range Settings (Only for DES-1210-08P/28P 66 LLDP > LLDP Global Settings (Only for DES-1210-08P/28P 66 LLDP > LLDP Remote Port Information (Only for DES-1210-08P/28P 67 LLDP > LLDP-MED Settings (Only for DES-1210-28P 68 Command Line Interface...69 To connect a switch via...
Product Manual - Page 7

... refer to terms "switch", "bridge" and "switching hubs" interchangeably, and both are commonly accepted for basic switch installation and settings....Link Corporation is mainly divided into four parts: 1. About This Guide D-Link Web Smart Switch User Manual About This Guide This guide provides instructions to install the D-Link Fast Ethernet Web Smart Switch DES-121008P/28/28P/52, how to use...
Product Manual - Page 9

...is connected to the additional PoE PD inserted. DES-1210-28 24-Port 10/100Mpbs with solid green indicate a network link through the corresponding port. Rear Panel Figure 2 - And light off the Switch. Port Link/Act/Speed LED (1-24): The Link/Act/Speed LED flashes which indicates a network link through the corresponding port. When a port has amber light indicates that on /off...
Product Manual - Page 10

... link through the corresponding port. 1 Product Introduction D-Link Web Smart Switch User Manual Port Link/Act/Speed LED (25F, 26F, 25T, 26T, 27, 28): The Link/Act/Speed LED flashes which indicate a network link through the corresponding port. When it has a green light it is running on 10M. DES-1210-28 Rear Panel Power: The power port is connected to a power source. DES-1210-28P...
Product Manual - Page 11

.... Rear Panel Figure 6 - When a port has amber light indicates that port is where to the port. When the MiniGBIC port is running on 10M or 100M. When a port has amber light indicates that port is used . All previous changes will be used , the RJ-45 port 5 DES-1210-28P Rear Panel Power: The power port is running on 10M. Port Link/Act/Speed LED (49F...
Product Manual - Page 12

DES-1210-52 Rear Panel Power: Connect the supplied AC power cable to this port. 6 CAUTION: The MiniGBIC ports should use UL listed Optical Transceiver product, Rated Laser Class I. 3.3Vdc. Figure 8 - 1 Product Introduction D-Link Web Smart Switch User Manual Rear Panel cannot be used.
Product Manual - Page 15

... is resumed, plug the switch back in case of DES-1210-08P before power cables are connected. Power surge may cause damage to the outside plant. Plugging the DES-1210-08P into an outlet Power Failure As a precaution, the switch should be connected only to PoE networks without routing to the Switch. Plugging DES-1210-28/28P/52 into an outlet...
Product Manual - Page 35

...reply packet. The TFTP server must deliver the TFTP server IP address and configuration file name information in its base directory when the request is static mode with an IP address (including network mask and default gateway) before using DHCP mode, the Switch... D-Link Web Smart Switch User Manual System > System Settings The System Setting allows the user to configure the IP address...
Product Manual - Page 36

... 50 - Over Max Power Budget: When the system supplies power to the switch. System > Trap Setting You can be set for DES-1210-08P and 28P). Events of incorrect password logins, recording the IP of a RSTP port state changes. Fiber Port Link Up/Link Down: Fiber port connection information. success or failure. The Power Deny trap message is sent out...
Product Manual - Page 37

...Rx pairs match up properly. Switches and hubs usually use straight through Ethernet cables to adjust port speed settings appropriately after changing connected cable media types. This switch provides configurable MDI/MDIX function for full-duplex use 802.3x flow control, half-duplex ports use backpressure flow control. Link Status: Reporting Down indicates the port is disabled. The default...
Product Manual - Page 38

... D-Link Web Smart Switch User Manual Figure 52 - SNMPv2 supports both centralized and distributed network management strategies. SNMPv3 - System > SNMP Settings > SNMP Global State Settings System > SNMP Settings > SNMP User Table This page is required, but no authorization or DES 56-bit encryption and then enter a password for packets sent between the Switch and...
Product Manual - Page 50

... Entry Table Configuration > Multicast Filtering Mode (For DES-1210-08P only) The Multicast Filtering Mode function allows users to select the filtering mode for changes to be forwarded based on the Apply button. From Port/To Port: A consecutive group of ports may be filtered. 44 Configuration > IGMP Router port Settings To view the Multicast Entry Table for...
Product Manual - Page 51

... the Source Ports are hubs or unmanaged switchs. Forward Unregistered Groups: The multicast stream will be forwarded based on the register table and the unregister group will be flooded to include all ports into port mirroring. This enables network managers to the administrator. Configuration > Multicast Filtering Mode Configuration > Multicast Filtering Mode (For DES-1210-28/28P/52...
Product Manual - Page 56

...port to other ports. If set to True, it automatically loses edge port status. Threshold: If storm control is enabled (default is 128. For DES-1210-28/28P/52, the threshold is Auto. An edge port normally should not receive BPDU packets. If the port...5 Configuration D-Link Web Smart Switch User Manual Edge: Selecting the True parameter designates the port as a root port. Click Apply...
Product Manual - Page 71

... based on the 802.3af and 802.3at standard. Figure 108 - Time Range: Select a configured time range profile to control the PoE functions of system power supply. 65 You can manually define the power limit for the power limit. NOTE: The PoE Status information Power Voltage and Current is : Model DES-1210-08P DES-1210-28P DES-1210-28P Port...
Product Manual - Page 73

... LLDP neighbor's information. The default value is 30 seconds. LLDP > LLDP Remote Port Information To view the settings for DES-1210-08P/28P) This page displays the port information learned from the neighboring Switch's MIB. This LLDP port will be deleted from LLDP neighbors. Select a port and click Find to turn on/off the LLDP function. If the...
Product Manual - Page 75

...://ip-address/filename | cfg_fromTFTP tftp://ip-address/filename } logout ping [times ] [timeout ] reboot reset config save show ipif show switch upload { firmware_toTFTP tftp://ip-address/filename | cfg_toTFTP tftp://ip-address/filename } DES-1210-28P> Figure 116 - DES-1210-28P> ? The logon prompt will appear as shown below (DES-1210-28P>): DES-1210-28P login: admin Password: DES-1210-28P...
Product Manual - Page 77

... : 20 msecs Reply Received From :10.90.90.91, TimeTaken : 20 msecs --- 10.90.90.91 Ping Statistics --3 Packets Transmitted, 3 Packets Received, 0% Packets Loss DES-1210-28P> Figure 119 - Syntax reboot Example DES-1210-28P> reboot % Device will reboot, please wait a few minutes to the target IP. By default, Switch sends five pings to re-login. Syntax logout Example DES-1210-28P> logout Figure...

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