Dell EMC PowerSwitch S3048-ON Installation Guide March 2021


ONIE service discovery

ONIE attempts to locate the installer through several discovery methods, as shown. To download and run an installer, the ONIE Service Discovery feature uses the first successful method found.

  1. Search locally attached storage devices for one of the ONIE default installer filenames—for example, the filename is: onie self update from the USB.
  2. Query to the IPv4 and IPv6 link-local neighbors using HTTP for an installer.
  3. Discover TFTP-based image from the DHCP server4.

Examples of the ONIE ifconfig eth0 Commands

If none of the ONIE Service Discovery methods are successful, you can disable this using the onie-discovery-stop command.

You can install an operating system manually from HTTP, FTP, or TFTP using the onie-nos-install <URL> command.

NOTE: If you have a recovery USB plugged into your switch, you must remove it before installing the DIAG-OS using the onie-nos-install command.

The ONIE Install environment uses DHCP to assign an IP address to the management interface, eth0. If that fails, it uses the default IP address

To display the IP address, use the ifconfig eth0 command, as shown.

ONIE:/ # ifconfig eth0
eth0 Link encap:Ethernet HWaddr 90:B1:1C:F4:9C:76
       inet addr: Bcast: Mask:
       inet6 addr: fe80::92b1:1cff:fef4:9c76/64 Scope:Link
       RX packets:18 errors:0 dropped:0 overruns:0 frame:0
       TX packets:24 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000
       RX bytes:1152 (1.1 KiB) TX bytes:6864 (6.7 KiB)
       Interrupt:21 Memory:ff300000-ff320000

To assign an IP address to the management interface, eth0, and verify network connectivity, use the ifconfig eth0 <ip address> command, as shown.

ONIE:/ # ifconfig eth0

Verify the network connection with ping.
ONIE:/ # ping
PING ( 56 data bytes
64 bytes from seq=0 ttl=62 time=1.357 ms
64 bytes from seq=1 ttl=62 time=0.577 ms

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