Month: July 2011

Netgear WNCE2001 Notes

We just got an Netgear WNCE2001 - and the need to support it.
Basically, its an Wireless -> Ethernet Converter which does bridge an WIFI Network to an LAN / Ethernet Connector.
You need to install it via WDS System or - plug it into an PC / Laptop, DHCP Client on and configure it via Webbrowser before using it on an "dump" ethernet-only device. Problem: The device itself asks for an IP Adress (to be configured after inital stage) and the connected Ethernet Client does ask itself again - some DHCP Servers don't like that behavior, as far as it seems. So, our workaround was following: Giving the WNCE2001 an static assigned IP by the DHCP Server and "blocking" another IP for the Client. The Client has been configured statically and does now work as it was intended to be.

Notes:
"First" Client Adress internal DHCP Server of the WNCE2001 does offer before inital Configuration: 192.168.1.100
IP of the WNCE2001: 192.168.1.251
DNS: http://www.mywifiext.com
Version: 1.0.0.26
/UPG_upgrade.htm
/MNU_menu.htm

[VSS] Upgrading Software on c6509e-VSS / Sup720-10GE

1.) Find an suitable image on cisco.com [i.e. s72033-adventerprisek9_wan-mz.122-33.SXJ1.bin ]
2.) Copy the image to the CF of active Supervisor by TFTP or FTP
copy tftp://IP/images/s72033-adventerprisek9_wan-mz.122-33.SXJ1.bin disk0:
3.) Verfiy the image against the MD5 and internal checksum
verify /md5 disk0:s72033-adventerprisek9_wan-mz.122-33.SXJ1.bin
verify disk0:s72033-adventerprisek9_wan-mz.122-33.SXJ1.bin
4.) Delete old Software on active Supervisor CF
del sw1-slot5-disk0:s72033-ipservicesk9_wan-mz.122-33.SXI5.bin
5.) Unconfigure other Boot Images
conf t
no boot system
config-register 0x2102
boot system flash disk0:
end
copy running-config startup-config
6.) Reload active Supervisor
redundancy reload shelf 1
7.) Wait for the ex-Active to come up again on local Console, sh redundancy should tell you that the ex-Active is now in Cold Standby as there is an Image mismatch. Thats ok, Image does work, so now lets swap the CF cards
8.) Reload now active Supervisor
redundancy reload shelf 2
9.) Wait for the second System to come up again, the VSS should run again in Active / Standby Hot Mode
10.) Copy Bootimage from shelf2 (with CF of shelf1) to shelf1 CF
copy sw-2-slot5-disk0:s72033-adventerprisek9_wan-mz.122-33.SXJ1.bin sw-1-slot5-disk0:
11.) Delete other old images form shelf1 CF
12.) Done

Not the best / Cisco way, but it should hold your Active / Standby Config in right order.

[IE] Simulate other IE Version with IE Tester

If your old Software does challange an special / old Version of IE, you can fulfill that requirement without another Virtual Maschine by installing IETester.
http://www.my-debugbar.com/wiki/IETester/HomePage
I would loved to had known that Software a bit earlier.
I ran into serval problems in upgrading an Zyxel 2000W Wlan Phone by using Win7 with Firefox 3.6 / IE 7.
I couldn't find the "Browser for Upgrade File" bar, so I tried everything on the net, including Chrome.
In the end, I used an Virtual PC / Windows 98SE(!) which I keep handy for... stuff - and could upgrade the phone.

[Samba] Windows Client can't access Unix Samba Share KB2536276

On 16.06.2011 Microsoft fixed an Security Issue with Samba which ended in Windows Users beeing unable to access Unix Samba Shares by using Plain Text Authentication.
By removing Security Update KB2536276 and rebooting you can enable your client again - or you patch your samba server, which is the real source of error - Microsoft did just fix an flaw.

https://bugzilla.samba.org/show_bug.cgi?id=8238

https://bugzilla.samba.org/attachment.cgi?id=6593

Infos taken from:
http://answers.microsoft.com/en-us/windows/forum/windows_xp-windows_update/kb2536276-windows-xp-pc-get-system-error-58-when/d9dbdde5-2666-4423-b47c-fbdb80b995d9