Problem Description: A 2248TP-E FEX does not come online when connected to Nexus 7000 running 6.0x code. The state of the FEX will show as 'image download'. Below is an example from a N7K running 6.0(3).
N7K# sh fex detail
FEX: 101 Description: FEX0101 state: Image Download
FEX version: 5.1(3)N1(1) [Switch version: 6.0(3)]
FEX Interim version: 5.1(3)N1(0.302)
Switch Interim version: 6.0(3)
Customers may also see the following in their logs:
Requesting satellite to download image
Module register received
Registration response sent
Requesting satellite to download image
Module register received
Registration response sent
Requesting satellite to download image
Module register received
Registration response sent
Requesting satellite to download image
Module register received
Registration response sent
Requesting satellite to download image
Resolution:
Connecting a 2248TP-E FEX is not supported on a Nexus 7000 until NX-OS 6.1(1). The fix for this issue is to upgrade to NX-OS 6.1(1). After doing so, the FEXs will come online.
Table 3 at the following link mentions the minimum version of code needed for the 2248TP-E:
http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps10110/data_sheet_c78-507093.html
