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dhcp database,tftp problem

MARCELO MATURO
Level 1
Level 1

Someone could help with the following problem?

This configuration works ok:

ip dhcp database ftp://user:password@1.1.1.1/file

but this one d´ont:

ip dhcp database tftp://1.1.1.1/file

The ftp and the tftp server is the same host, and the tftp server is working because I can copy the startup-conf on it.

The error is:

" %DHCPD-3-WRITE_ERROR: DHCP could not write bindings to tftp://1.1.1.1/file".

The IOS is 12.3(8)

Thanks

Marcelo

2 Replies 2

thisisshanky
Level 11
Level 11

So have you verified if the file name inside the TFTP server's default folder has the name "file" (no extensions).

Also some TFTP servers by default allow only downloads. They dont let uploads, until you configure to do so. Your error looks like the router (DHCP server) is trying to write the file to the TFTP server and it failed. So Check you TFTP settings to see if allows uploads. If not, then you should toggle that switch that allows incoming TFTP uploads.

HTH

Sankar Nair
UC Solutions Architect
Pacific Northwest | CDW
CCIE Collaboration #17135 Emeritus

don.fortes
Level 1
Level 1

%DHCPD-3-WRITE_ERROR:DHCP could not write bindings to [chars].

The DHCP server could not write bindings to the specified database agent.

Recommended Action: Verify that the URL is correct and connectivity exists between the

server and database agent. Enter the show ip dhcp database command. If there are aborted

file transfers, increase the database transfer timeout.