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Chapter 6 Tutorials
XGS2220 Series User’s Guide
114
6.3.4 Troubleshooting
Check client A’s IP address. If it did not receive the IP address 172.16.1.18, make sure:
1 Client A is connected to the Switch’s port 2 in VLAN 102.
2 You configured the correct VLAN ID, port number and system name for DHCP relay on both the DHCP
server and the Switch.
3 You clicked the Save link on the Switch to have your settings take effect.
6.4 How to Use Auto Configuration through a DHCP Server
on the Switch
Follow the steps below to set up configurations on a DHCP server, TFTP server, and the Switch, so you
can load an auto configuration file automatically from a TFTP server when you reboot the Switch.
Note that you can set up a DHCP server and TFTP server either on the same device or different devices.
Also, make sure the Switch can communicate with the TFTP server.
Note: Steps order could vary according to different programs you use.
Note: You need to set up configurations on a DHCP server and TFTP server first to use auto
configuration.
Setting up a DHCP Server
1 Set up a dynamic IP addresses pool so the DHCP server will assign an IP address to the Switch in that
range.
2 Set up a TFTP server IP address, so the Switch will know where to load the auto configuration file.
3 Set up the filename of the auto configuration file, so the Switch will know which file to load when you
reboot the Switch.
• Enter the filename of an auto configuration file. The Switch will load this auto configuration file
when rebooting with DHCP option 60 disabled.
• If you want to load the auto configuration file with DHCP option 60 enabled and a Vendor Class
Identifier assigned when you reboot the Switch, follow the instruction below. Otherwise, skip this
step.
Enter the filename of an auto configuration file. Set up a Vendor Class Identifier. To have the
Switch load this auto configuration file, two conditions listed above must be met. Please refer to
the following steps to see how to set up a Vendor Class Identifier on the Switch.
Setting up a TFTP Server
1 Select a directory on the TFTP server.
2 Put the configuration files in that directory.
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