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Default configuration parameters

'Show run' don't show default configuration parameters, interface specific default parameters. It only shows manually entered commands only.

Is there any way to find out default all hidden configuration commands and values?

Cisco Employee

Re: Default configuration parameters

No..there is no straight way to find the default values for different parameters and commands.

New Member

Re: Default configuration parameters

It's been seven years since someone else asked this question, so I'm looking for an update.

We just bought a UC560, mainly intending it as our new VoIP phone controller:

Cisco IOS Software, UC500 Software (UC500-ADVIPSERVICESK9-M),  Version 15.0(1)XA2, RELEASE SOFTWARE (fc2)
Compiled Sat 06-Mar-10 04:52 by prod_rel_team

ROM: System  Bootstrap, Version 15.0(1r)XA, RELEASE SOFTWARE (fc1)

Apparently it can also do routing, NAT, DHCP, and a basic firewall. I wasn't planning to use it for that, and was planning to migrate from Netware 6.5 routing/firewall to Microsoft RRAS, but I guess if this Cisco box can do it, might as well.

But I am not (yet?) a Cisco certified tech so I don't have the 1000 command line options and defaults all memorized.

If I enable DHCP, can it tell me the default address lease time? Does the Cisco DHCP ping addresses before assigning them, to avoid accidental overlaps? "show running_config" only shows what we have configured, not what the any of the defaults are..

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