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Enhancements in Release F.04.08
IP Preserve: Retaining VLAN-1 IP Addressing Across Configuration File Downloads
IP Preserve: Retaining VLAN-1 IP Addressing Across Configuration File Downloads
If you apply this configuration file to figure 60, switches 1 - 3 will still retain their manually assigned
IP addressing. However, switch 4 will be configured with the IP addressing included in the file.
IP addressing. However, switch 4 will be configured with the IP addressing included in the file.
Figure 62. Configuration File in TFTP Server, with Dedicated IP Addressing Instead of DHCP/Bootp
To summarize the IP Preserve effect on IP addressing:
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If the switch received its most recent VLAN 1 IP addressing from a DHCP/Bootp server, it
ignores the IP Preserve command when it downloads the configuration file, and implements
whatever IP addressing instructions are in the configuration file.
ignores the IP Preserve command when it downloads the configuration file, and implements
whatever IP addressing instructions are in the configuration file.
■
If the switch did not receive its most recent VLAN 1 IP addressing from a DHCP/Bootp server,
it retains its current IP addressing when it downloads the configuration file.
it retains its current IP addressing when it downloads the configuration file.
■
The content of the downloaded configuration file determines the IP addresses and subnet
masks for other VLANs.
masks for other VLANs.
Because switch 4 (figure 60) received its most recent IP addressing from a DHCP/
Bootp server, the switch ignores the ip
preserve command and implements the
IP addressing included in this file.
Bootp server, the switch ignores the ip
preserve command and implements the
IP addressing included in this file.