2950交换机SI与EI区别

http://www.cisco.com/en/US/products/hw/switches/ps628/prod_bulletin09186a00800b3089.html

1.Gigabit EtherChannel

2.ACEs/ACPs (Layer 2-4 IP Security Filtering)

3.Port based ACLS (PACL) 

4.Rapid Spanning Tree (802.1w)

5.Multiple Spanning Tree (802.1s) 

http://simao.blog.51cto.com/956925/367364

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