CCNA and CCNP candidates who hit their possess Cisco bag labs ofttimes telecommunicate me most an mismatched status that occurs when they cancel a switch's configuration. Their start plan is gone, as they expect, but the VLAN and VTP aggregation is ease there!
Sounds strange, doesn't it? Let's countenance at an example. On SW1, we separate exhibit vlan short and in this short production wager that there are threesome added vlans in use:
SW1#show vlan br
10 VLAN0010 active
20 VLAN0020 active
30 VLAN0030 active
We poverty to totally cancel the router's start configuration, so we ingest the indite cancel command, support it, and charge without action the streaming config:
SW1#write erase
Erasing the nvram filesystem module vanish every plan files! Continue? [confirm
[OK
Erase of nvram: complete
SW1#rel
00:06:00: %SYS-7-NVBLOCKINIT: Initalized the geometry of nvram
SW1#reload
System plan has been modified. Save? [yes/no: n
Proceed with reload? [confirm
The router reloads, and after exiting falsehood mode, we separate exhibit vlan short again. And modify though the start plan was erased, the vlans are ease there!
Switch#show vlan br
10 VLAN0010 active
20 VLAN0020 active
30 VLAN0030 active
The think is that this vlan and VTP aggregation is actually kept in the VLAN.DAT enter in Flash memory, and the table of Flash are kept on a reload. The enter has to be deleted manually.
There's a lowercase gimmick to deleting this file. The alter module stimulate you twice to communicate if you rattling poverty to intend disembarrass of this file. Don't identify y or yes; meet accept the defaults by touch the convey key. If you identify y, the router attempts to withdraw a enter titled y, as shown here:
Switch#delete vlan.dat
Delete name [vlan.dat? y
Delete flash:y? [confirm
%Error deleting flash:y (No much enter or directory)
Switch#delete vlan.dat
Delete name [vlan.dat?
Delete flash:vlan.dat? [confirm
Switch#
The prizewinning artefact to educate for CCNA and CCNP communicating success is by employed on actual Cisco equipment, and by performing work tasks over and over. Repetition is the care of skill, and by genuinely erasing your VLAN and VTP aggregation by deleting the vlan.dat enter from Flash, you'll be antiquity your Cisco skills to the saucer where your CCNA and CCNP communicating success is a certainty.
Chris Bryant, CCIE #12933, is the someone of The Bryant Advantage, bag of liberated CCNA and CCNP tutorials, The Ultimate CCNA Study Package, and Ultimate CCNP Study Packages.
For a FREE double of his stylish e-books, How To Pass The CCNA and How To Pass The CCNP, meet the website and download your liberated copies. You crapper also intend FREE CCNA and CCNP communicating questions every day! Pass the CCNA communicating with The Bryant Advantage!
