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CISCO3550:POST error status : external RAM test failed

I have three CISCO3550-24,I want to install but I find they don't work.

In the process of loading,I find these:

Initializing flashfs...

flashfs[1]: 16 files, 3 directories

flashfs[1]: 0 orphaned files, 0 orphaned directories

flashfs[1]: Total bytes: 15998976

flashfs[1]: Bytes used: 5084672

flashfs[1]: Bytes available: 10914304

flashfs[1]: flashfs fsck took 8 seconds.

flashfs[1]: Initialization complete.

...done Initializing flashfs.

POST: CPU Buffer Tests : Begin

POST: CPU Buffer Tests : End, Status Passed

POST: CPU Interface Tests : Begin

POST: CPU Interface Tests : End, Status Passed

POST: Switch Core Tests : Begin

POST: Switch Core Tests : End, Status Passed

POST: CPU Interface 2nd Stage Tests : Begin

POST: CPU Interface 2nd Stage Tests : End, Status Passed

POST: CAM Subsystem Tests : Begin

POST: CAM Subsystem Tests : End, Status Passed

POST: Ethernet Controller Tests : Begin

Failed address lines - walking ones.

......

!!! WARNING: The switch is not usable !!!

the below information is:

Switch#

Switch#sh run

Building configuration...

Current configuration : 312 bytes

!

version 12.1

no service pad

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

!

hostname Switch

!

!

ip subnet-zero

!

!

spanning-tree extend system-id

!

!

!

interface Vlan1

no ip address

shutdown

!

ip classless

ip http server

!

!

!

!

line con 0

line vty 5 15

!

end

Switch#

Switch#

Switch#

Switch#

I don't know why?these products is new arrival.

pls help me!

1 REPLY
VIP Purple

Re: CISCO3550:POST error status : external RAM test failed

Hello,

a POST failure usually means there is physical damage to the interface. So this sounds like a Dead-On-Arrival.

Regards,

Georg

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