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S4100–ON Series S4128F-ON, S4148F-ON, and S4148FE Installation Guide November 2017

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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. Pass from the boot loader.
  2. Search locally attached storage devices for one of the ONIE default installer filenames—for example, USB.
  3. Exact URLs from DHCPv4.
  4. Report inexact URLs based on the DHCPv4 responses.
  5. Query to the IPv6 link-local neighbors using HTTP for an installer.
  6. Start TFTP waterfall—from the DHCPv4 option 66

Examples of 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, 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 192.168.3.10/255.255.255.0.

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:10.11.53.33 Bcast:10.255.255.255 Mask:255.0.0.0
                                 inet6 addr: fe80::92b1:1cff:fef4:9c76/64 Scope:Link
                                 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
                                 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 10.11.53.33/16
                                 
                                 Verify the network connection with ping.
                                 ONIE:/ # ping 10.11.8.12
                                 PING 10.11.8.12 (10.11.8.12): 56 data bytes
                                 64 bytes from 10.11.8.12: seq=0 ttl=62 time=1.357 ms
                                 64 bytes from 10.11.8.12: seq=1 ttl=62 time=0.577 ms
                                 ^C

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