Router Chassis

Maximum Number of 1 Port HWICs

Maximum Number of 2 Port HWICs

Software Release

Minimum Software Package

Cisco 1921

1

1

15.0(1)M2

IP Base

Cisco 1941

2

1

15.0(1)M

IP Base

Cisco 1941W

2

1

15.0(1)M

IP Base

Cisco 2901

2

2

15.0(1)M

IP Base

Cisco 2911

2

2

15.0(1)M

IP Base

Cisco 2921

2

2

15.0(1)M

IP Base

Cisco 2951

2

2

15.0(1)M

IP Base

Cisco 3925

4

4

15.0(1)M

IP Base

Cisco 3945

4

4

15.0(1)M

IP Base

Cisco 3925E

3

3

15.1(1)T2

IP Base

Cisco 3945E

3

3

15.1(1)T2

IP Base

Cisco 1841

1

1

12.4(20)T

IP Base

Cisco 2801

2

1

12.4(20)T

IP Base

Cisco 2811

2

1

12.4(20)T

IP Base

Cisco 2821

2

1

12.4(20)T

IP Base

Cisco 2851

2

1

12.4(24)T

IP Base

Cisco 3825

4

2

12.4(20)T

IP Base

Cisco 3845

4

4

12.4(20)T

IP Base