between the two versions. The Catalyst 3550 Family of switches is upgradable to the EMI
version. Refer to the product release notes for details.
NOTEIn Cisco IOS 12.1(9)EA1, several software changes occurred that optimized the use of the
TCAM space for QoS and security ACLs. As a result, both the Catalyst 2950 and 3550
Family of switches possibly support more ACL entries in Cisco IOS 12.1(9)EA than
previous versions.
Global and Default Configuration
The Catalyst 2950 Family of switches does not require global configuration to enact on QoS
configuration. The default trust behavior of the Catalyst 2950 is untrusted. The Catalyst ...
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