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Figure 90. USB cable
Configure the host PC
Configure the host PC as follows:
1. Ensure that the driver for USB to serial cable is connected on the PC.
2. Open the device manager to verify that the COM port is used by the USB to serial cable.
3. Open putty.exe and use the COM port to connect to the switch.
4. Configure PuTTY to use as follows:
a. Baud rate - 115200
b. Parity - none
c. Stop bits - 1
d. Data bits - 8
e. Flow control - none
5. Power on the switch and wait for the login prompt to show up.
6. Log in by using the following default credentials and press the Enter key.
• User ID: cumulus
• Password: <11S serial number>
Note: If the switch has default Mellanox user ID and password, then proceed as follows:
• User ID: cumulus
• Password: CumulusLinux!
7. Download the VLAN configuration file H48712_interfaces.rtf from here.
Note: If you do not have access to the above link, see "Full output of the interface file" on page 110.
8. Gain sudo rights by using the following command:
sudo su -
9. Copy the contents of the interface file to the file name /etc/network/interfaces and save the
file.
Note: You can use vi or modify this file.
10. Reload the interfaces by using the following command:
root@cumulus:/etc/network# ifreload -a
root@cumulus:/etc/network# ifquery -a
11. Check VLAN setup.
net show interface all
12. If required, set switch network. It is recommended to set a static IP to log remotely on the switch. For
example, 192.168.45.0/24 network IP switch 192.168.45.60, gateway 192.168.45.1.
• net add interface eth0 IP address 192.168.45.60/24
• net add interface eth0 IP gateway 192.168.45.1
• net pending
Appendix B. Switch VLAN configuration instructions 109
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