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Cisco LAP瘦AP 转换为自治胖AP Autonomous AP

Ever needed to convert a Cisco LAP to Autonomous AP? I did, and this is how I did it;

(if you don’t want to read it all, see the short version here)

  1. Boot up the LAP (in my case, a 1142 running 12.4(21a)JA, c1140-rcvk9w8-mx). CLI via console is not available before the AP receives an IP-address via DHCP, so make sure it does. However, you don’t want it to receive and IP-address on a segment where a WLAN-controller (WLC, WiSM/WiSM2) is available, as you don’t want it to join that. In my case, I just did it at home, where I had no WLC.

  2. Once it gets an IP-address, you can login via the console.

    AP1234.5678.abcd>enPassword: Cisco
    AP1234.5678.abcd#

    The default password is ‘Cisco’ (without the quotes).

  3. The logical thing now would just be to copy the new non-LAP IOS software, right?

    AP1234.5678.abcd#copy ?% Unrecognized command

    Well, no, not that easy. A lot of the features in the CLI on an AP running LAP IOS software has been removed/disabled, such as the ‘copy’-command.

    On some versions of IOS, the new software has to be copied from configuration mode, so let’s try that;

    AP1234.5678.abcd#conf t 
                      ^
    % Invalid input detected at '^' marker.

    No, that’s been disabled as well. Let’s try to work around these, by enabling a lot more commands. Try one of the following, depending on what version of IOS the AP is running;

    AP1234.5678.abcd#debug lwapp console cliLWAPP console CLI allow/disallow debugging is on
    AP1234.5678.abcd#debug capwap console cliCAPWAP console CLI allow/disallow debugging is on

    (In my case, with the 1142, the latter was the one that works)

    This command makes us able to use the ‘copy’-command, and to enter configuration mode.

    Depending on what version of IOS the AP is running, you might want to do the following to make the AP able to accept the non-LAP IOS software later on;

    AP1234.5678.abcd#debug lwapp client no-reload LWAPP ignore internal reload debugging is on
    AP1234.5678.abcd#debug capwap client no-reload CAPWAP ignore internal reload debugging is on
  4. Download new non-LAP IOS software is done in one of two ways, again depending on what version of IOS the AP is running. Either this;

    AP1234.5678.abcd#conf tEnter configuration commands, one per line.  End with CNTL/Z.
    AP1234.5678.abcd#archive download-sw /overwrite /reload tftp://10.10.10.10/c1140-k9w7-tar.124-25d.JA1.tar

    or this;

    AP1234.5678.abcd#archive tar /xtract tftp://10.10.10.10/c1140-k9w7-tar.124-25d.JA1.tar flash: <long list of files extracted>

    (In my case, with the 1142, the latter was the one that works)

  5. Delete old IOS, and reload AP.

    AP1234.5678.abcd#sh flashDirectory of flash:/
    
        2  -rwx           0   Mar 1 2002 00:12:58 +00:00  config.txt
        3  -rwx          76   Mar 1 2002 00:12:39 +00:00  private-multiple-fs
        4  -rwx         178   Mar 1 2002 00:12:39 +00:00  env_vars
        5  drwx         384   Mar 1 2002 00:44:17 +00:00  c1140-k9w7-mx.124-25d.JA1
        7  drwx         128   Mar 1 2002 00:11:21 +00:00  c1140-rcvk9w8-mx
    
    32385024 bytes total (24365568 bytes free)
    AP1234.5678.abcd#delete /force /recursive flash:c1140-rcvk9w8-mxAP1234.5678.abcd#reloadSystem configuration has been modified. Save? [yes/no]: noProceed with reload? [confirm]
  6. Done. You’re now running an AP with non-LAP IOS software.

    ap#sh boot | i BOOT
    BOOT path-list:      flash:c1140-k9w7-tar.124-25d.JA1.tar
    ap#sh ver | i RELEASE
    Cisco IOS Software, C1140 Software (C1140-K9W7-M), Version 12.4(25d)JA1, RELEASE SOFTWARE (fc1)
    BOOTLDR: C1140 Boot Loader (C1140-BOOT-M) Version 12.4(23c)JA3, RELEASE SOFTWARE (fc1)
    ap#

The summary
The following should work in most cases, at least on newer APs;

debug capwap console cli
debug capwap client no-reload
archive tar /xtract tftp://10.10.10.10/c1140-k9w7-tar.124-25d.JA1.tar flash:
delete /force /recursive flash:c1140-rcvk9w8-mx
reload
                           

       


作者:mysy2001 分类:网络技术 浏览:388 评论:0