Cisco Cisco Aironet 1200 Access Point 릴리즈 노트
11
Release Notes for Cisco Aironet Access Points for Cisco IOS Release 12.3(8)JA
OL-8237-01
Important Notes
Access Point Requires 1200 Series Universal Power Supply and Power Injector
The 350 series universal power supply and power injector are not compatible with the 1200 series access
point. If you use a power injector or a power module to provide power to a 1200 series access point, you
must use a 1200 series universal power supply. If you need to use a power injector to inject power into
the access point’s Ethernet port, you must use a 1200 series power injector.
point. If you use a power injector or a power module to provide power to a 1200 series access point, you
must use a 1200 series universal power supply. If you need to use a power injector to inject power into
the access point’s Ethernet port, you must use a 1200 series power injector.
Unpowered 1100 Series Access Points Cause Loopback When Connected to Switches Without
Loopback Detection
Loopback Detection
When you connect an unpowered 1100 series access point to a switch without loopback detection, the
access point causes a loopback. To avoid this problem, make sure loopback detection is enabled on the
switch to which the access point is connected. If your switch does not have loopback detection,
disconnect the access point from the switch when the access point power is off.
access point causes a loopback. To avoid this problem, make sure loopback detection is enabled on the
switch to which the access point is connected. If your switch does not have loopback detection,
disconnect the access point from the switch when the access point power is off.
Antenna Installation
For instructions on the proper installation and grounding of external antennas for 1200 and 1240AG
series access points, refer to the National Fire Protection Association’s NFPA 70, National Electrical
Code, Article 810, and the Canadian Standards Association’s Canadian Electrical Code, Section 54.
series access points, refer to the National Fire Protection Association’s NFPA 70, National Electrical
Code, Article 810, and the Canadian Standards Association’s Canadian Electrical Code, Section 54.
Warning
Do not install the antenna near overhead power lines or other electric light or power circuits, or
where it can come into contact with such circuits. When installing the antenna, take extreme care
not to come into contact with such circuits, as they may cause serious injury or death.
where it can come into contact with such circuits. When installing the antenna, take extreme care
not to come into contact with such circuits, as they may cause serious injury or death.
Important Notes
This section describes important information about the access point.
Change to Default IP Address Behavior
Cisco IOS Releases 12.3(2)JA and later change the default behavior of access points requesting an IP
address from a DHCP server:
address from a DHCP server:
•
When you connect a 350, 1130AG, 1200, 1230AG, 1240AG series access point or a 1300 series
outdoor access point/bridge with a default configuration to your LAN, the access point requests an
IP address from your DHCP server and, if it does not receive an address, continues to send requests
indefinitely.
outdoor access point/bridge with a default configuration to your LAN, the access point requests an
IP address from your DHCP server and, if it does not receive an address, continues to send requests
indefinitely.
•
When you connect an 1100 series access point with a default configuration to your LAN, the 1100
series access point makes several attempts to get an IP address from the DHCP server. If it does not
receive an address, it assigns itself the IP address 10.0.0.1 for five minutes. During this five-minute
window, you can browse to the default IP address and configure a static address. If after five minutes
the access point is not reconfigured, it discards the 10.0.0.1 address and reverts to requesting an
address from the DHCP server. If it does not receive an address, it sends requests indefinitely. If you
miss the five-minute window for browsing to the access point at 10.0.0.1, you can power-cycle the
access point to repeat the process.
series access point makes several attempts to get an IP address from the DHCP server. If it does not
receive an address, it assigns itself the IP address 10.0.0.1 for five minutes. During this five-minute
window, you can browse to the default IP address and configure a static address. If after five minutes
the access point is not reconfigured, it discards the 10.0.0.1 address and reverts to requesting an
address from the DHCP server. If it does not receive an address, it sends requests indefinitely. If you
miss the five-minute window for browsing to the access point at 10.0.0.1, you can power-cycle the
access point to repeat the process.