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c2950 report wrong memory value...

I have many C2950-24 switches in my L2 network, and I have upgraded all of the switches to 2950-i6q4l2-mz.121-22.EA9.bin (with ssh support).

Hench the network have grown the switches have been bought over time and I have many different Hardware revisions. The software with SSH support have a side effect where packets are lost and have throttels on interfaces around 5%. But only with the Rev. B0 Hardware.

--- show version and show proc mem before downgrade to same image WITHOUT SSH support ---

System image file is "flash:/c2950-i6k2l2q4-mz.121-22.EA9.bin"

cisco WS-C2950-24 (RC32300) processor (revision B0) with 19958K bytes of memory.

Model revision number: B0

Model number: WS-C2950-24

System serial number: FOC0536Z029

s-Trunk3#

Total: 6140800, Used: 3536488, Free: 2604312

--- show version and show proc mem after downgrade to same image WITH SSH support ---

System image file is "flash:/c2950-i6q4l2-mz.121-22.EA9.bin"

cisco WS-C2950-24 (RC32300) processor (revision B0) with 20998K bytes of memory.

Model revision number: B0

Model number: WS-C2950-24

System serial number: FOC0536Z029

s-Trunk3#

Total: 7844480, Used: 3245804, Free: 4598676

How can memory be lost with a IOS upgrade. In my world the memory should be the same value but with SSH support, the load on free ram should be higher...

1 REPLY
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Re: c2950 report wrong memory value...

The Secure Shell (SSH) feature is a cryptographic security feature subject to export restrictions. This feature is only supported on the Catalyst 2950 Enhanced Image. SSH is a memory-intensive feature, which consequently limits the number of VLANs, trunk ports, and cluster members that may be configured on the Catalyst 2950.

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