Cisco WS-C2916M-XL Manual de usuario descargar pdf (Pagina 5)

Release Notes for the 4-MB Catalyst 2900 Series XL Cisco IOS Release 11.2(8.6)SA6

OL-0332-02

Limitations and Restrictions

This section should be reviewed before you begin working with the switches. Some features might not

work as documented, and some features could be affected by recent changes to the switch hardware or

software.

Connecting to the 600W Cisco Redundant Power System

The following restrictions apply to using the 600W Cisco Redundant Power System (RPS) with a

Catalyst 2900 XL switch:

• Do not connect a switch power cord to an AC outlet if the switch is also connected to a powered-up

RPS.

• The switches do not support the fully-redundant configuration described in the Cisco RPS

Hardware Installation Guide. The redundant with reboot configuration is not recommended with

Catalyst 2900 XL switches.

The Cisco RPS can provide a quasi-redundant power source for four external devices that use up to

150W DC each. You can use a one-to-one cable (one connector at each cable end) to connect four

external devices to the four DC output power modules. The power source is quasi-redundant because

there are two AC input power modules for the Cisco RPS and one DC output power module for each

external device. The AC input to the Cisco RPS is fully redundant, but the DC output to the external

devices is not.

Hot-Swapping Not Supported for ATM and Gigabit Ethernet Modules

A Catalyst 2900 XL switch must be turned off before you can insert one of the following modules:

• Catalyst 2900 series XL 1000BaseX modules

• Catalyst 2900 series XL ATM modules

Port Configuration Conflicts

Certain combinations of port features create configuration conflicts (see Table 4). For example, the

network port floods all unknown unicast and multicast packets to a port; therefore, port security, which

limits traffic on a port, cannot be enabled on the network port. If you try to enable incompatible features,

CVSM issues a warning message and prevents you from making the change. Reload the page to refresh

CVSM. In Table 4, No means that the two referenced features are not compatible.

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