Cisco Cisco IPS 4255 Sensor 릴리즈 노트

For IPS standalone appliances with 1 G and 10 G fixed or add-on interfaces, the maximum jumbo frame 
size is 9216 bytes. 

A jumbo frame is an Ethernet packet that is larger than the standard maximum of 1518 bytes (including 
Layer 2 header and FCS).

Because MySDN has been decommissioned, the URL in older versions of the IDM and the IME is no 
longer functional. If you are using IPS 6.0 or later, we recommend that you upgrade your version of the 
IDM and the IME.

You can upgrade to the following versions to get the functioning MySDN URL:

IME 7.1.1

IPS 7.0(6), which contains IDM 7.1.1 

If you are using version IPS 5.x, you must look up signature information manually at this URL:

For information on MySDN, for the IDM refer to 

, and for the IME refer to 

This section describes the actions you should take before upgrading to Cisco IPS 7.0(6)E4. It contains 
the following topics:

Before you upgrade your sensors to IPS 7.0(6)E4, make sure you perform the following tasks:

Check to make sure you have a valid Cisco Service for IPS service contract per sensor so that you 
can apply software upgrades.

Created a backup copy of your configuration.

Saved the output of the show version command.