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Owner's Manual

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28 | Bare Metal Provisioning 1.5
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When loading the FTOS image, if the FTOS image on the file server is different from the
image stored in local flash memory, the system downloads the image on the file server
into the local flash and reboots using that image. If the image is the same, the system
reloads from the local flash without downloading a new image.
• Set up a DNS server. Refer to the FTOS Configuration Guide: IPv4 Addressing
chapter: Resolution of Host Names section for information.
Configure the DNS server to determine a system’s host name and the correct
configuration file to be downloaded on the system if the DHCP server response does not
specify a configuration file and the host name is not resolved using the network-config
file.
DHCP-Client Mode: Boot and Set-up Behavior
When a switch that is configured to reload in DHCP-Client mode boots up, one of the
following scenarios may occur:
• Reload without a DHCP Server offer
• Reload with a DHCP Server offer without an FTOS image
• Reload with a DHCP Server offer without a File Server Address
• Reload with a DHCP Server offer without a Configuration File
• Reload with a DHCP Server offer without a DNS Server
Reload without a DHCP Server offer
A switch configured to reload in DHCP-Client mode makes one attempt to contact a
DHCP server when booting. If a DHCP server cannot be reached, the system falls
back to factory-default mode to receive a DHCP offer as follows:
1. The system boots up with the BMP application.
Entering Jumpstart app:
Initializing runtime directories
Reading Release Image at 0x40000 Part: A
2. The system falls back to factory-default mode when no DHCP offer is received.
DHCP offer not received on first try. Exiting. interval 14ry
Switching from dhcp-client-mode to factory-default-mode!
3. The system loads the FTOS image from flash memory.
4. The system applies the factory-default configuration (Figure 3-2) without
assigning an IP address to the management interface.
5. You must manually configure a management IP address.