Примечания к выпуску для Cisco Cisco 2106 Wireless LAN Controller
8
Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 4.2.173.0
OL-31336-01
Installation Notes
•
To help troubleshoot controller crashes, you can now configure the controller to automatically
upload its core dump file to an FTP server after experiencing a crash using these CLI commands:
upload its core dump file to an FTP server after experiencing a crash using these CLI commands:
config coredump {enable | disable}
config coredump ftp server_ip_address filename
config coredump username ftp_username password ftp_password
show coredump summary
•
To help troubleshoot hard-to-solve or hard-to-reproduce memory problems, you can configure the
controller to monitor for memory leaks and to perform an auto-leak analysis between two memory
thresholds. Refer to the “Monitoring Memory Leaks” section in the Troubleshooting appendix of the
Cisco Wireless LAN Controller Configuration Guide, Release 4.2 for information on these
commands.
controller to monitor for memory leaks and to perform an auto-leak analysis between two memory
thresholds. Refer to the “Monitoring Memory Leaks” section in the Troubleshooting appendix of the
Cisco Wireless LAN Controller Configuration Guide, Release 4.2 for information on these
commands.
•
You can now upload the console dump resulting from a software-watchdog-initiated reboot of the
controller following a crash using the transfer upload datatype watchdog-crash-file controller
CLI command. The software watchdog module periodically checks the integrity of the internal
software and makes sure that the system does not stay in an inconsistent or non-operational state for
a long period of time.
controller following a crash using the transfer upload datatype watchdog-crash-file controller
CLI command. The software watchdog module periodically checks the integrity of the internal
software and makes sure that the system does not stay in an inconsistent or non-operational state for
a long period of time.
•
You can upload the kernel panic information if a kernel panic occurs using the transfer upload
datatype panic-crash-file controller CLI command.
datatype panic-crash-file controller CLI command.
•
You can now disable Secure Socket Layer (SSL)v2 for web administration and web authentication.
When SSLv2 is disabled, users cannot connect using a browser configured with SSLv2 only. They
must use a browser that is configured to use a more secure protocol such as SSLv3 or later. The new
CLI command to enable or disable SSLv2 is config network secureweb cipher-option sslv2
{enable | disable}. The default value is enabled.
When SSLv2 is disabled, users cannot connect using a browser configured with SSLv2 only. They
must use a browser that is configured to use a more secure protocol such as SSLv3 or later. The new
CLI command to enable or disable SSLv2 is config network secureweb cipher-option sslv2
{enable | disable}. The default value is enabled.
•
You can now use this CLI command to enable or disable client decrypt traps: config trapflags
802.11-security wepDecryptError {enable | disable}.
802.11-security wepDecryptError {enable | disable}.
•
For web authentication, you can now download device certificates as chained certificates (up to a
level of two).
level of two).
Installation Notes
This section contains important information to keep in mind when installing controllers and access
points.
points.
Warnings
Warning
This warning means danger. You are in a situation that could cause bodily injury. Before you work on
any equipment, be aware of the hazards involved with electrical circuitry and be familiar with
standard practices for preventing accidents.
any equipment, be aware of the hazards involved with electrical circuitry and be familiar with
standard practices for preventing accidents.
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.