Difference between IOS

Unanswered Question
Jun 26th, 2009

I was asked to upgrade the IOS on few switches. I would appreciate if some one can help me how to find out that differences between the old IOS and New IOS. How are the adminstrator/users are get advantages. For example difference between

New Code: c2950-i6q4l2-mz.121-22.EA12.bin

Old code: c2950-i6q4l2-mz.121-22.EA9.bin

Regards

Ranga

I have this problem too.
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crow930us Fri, 06/26/2009 - 03:14

Features Unique to c2950-i6q4l2-mz.121-22.EA12

DHCP Auto Install with Saved Configuration

DHCP Snooping Counters

Trusted boundary (extended trust for CDP devices)

Common Features in Both Images

AutoQoS - VoIP

CDP (Cisco Discovery Protocol) Version 2

Clear Counters Per Port

CLI String Search

Commented IP Access List Entries

Configurable IGMP Leave Timer

DHCP Client

DHCP Snooping

Enhanced Password Security

ErrDisable Reactivation Per Port

ErrDisable timeout

EtherChannel

EtherChannel - Flexible PAgP

Fast EtherChannel (FEC)

FTP Support for Downloading Software Images

HTTP Security

IEEE 802.1Q VLAN Trunking

IEEE 802.1W Spanning Tree Rapid Reconfiguration

IEEE 802.1x - Auth Fail VLAN

IEEE 802.1x - VLAN Assignment

IEEE 802.1x - Wake on LAN Support

IEEE 802.1x Authenticator

IEEE 802.1x RADIUS Accounting

IEEE 802.3ad Link Aggregation (LACP)

IGMP Fast Leave

IGMP Snooping

IGMP Throttling

Interface Range Specification

IP Named Access Control List

Jumbo Frames

Link Aggregation Control Protocol (LACP) (802.3ad) for Gigabit Interfaces

Multicast Etherchannel Load Balancing

NAC - L2 IEEE 802.1x

Network Time Protocol (NTP)

Packet-Based Storm Control

Parse Bookmarks

Port Security

RADIUS

Reduced MAC Address Usage

RMON events and alarms

Smart Port

SNMP (Simple Network Management Protocol)

SNMPv2C

SNMPv3 (SNMP Version 3)

Spanning Tree Protocol (STP)

Spanning Tree Protocol (STP) - Backbone Fast Convergence

Spanning Tree Protocol (STP) - Loop Guard

Spanning Tree Protocol (STP) - Portfast

Spanning Tree Protocol (STP) - Portfast BPDU Guard

Spanning Tree Protocol (STP) - Root Guard

Spanning Tree Protocol (STP) - Uplink Fast Convergence

Spanning Tree Protocol (STP) - Uplink Load Balancing

Spanning Tree Protocol (STP) Extension

Standard IP Access List Logging

Standby Supervisor Port Usage

Support for 4096 VLAN IDs

Switch Port Analyzer (SPAN)

Tacacs Single Connection

TACACS+

Time-Based Access Lists Using Time Ranges

Unicast Mac Filtering

UniDirectional Link Detection (UDLD)

I used the Cisco Feature Navigator to compare the two images.

hth

Leo Laohoo Fri, 06/26/2009 - 16:43

The fastest (and probably the easiest) way to find out the difference between the two IOS is to go through the Release Notes.

BTW, EA12 is not the newest IOS.

Hope this helps.

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