Release Notes

Closed with Code Change in Fabric OS v7.2.1e
Fabric OS v7.2.1e Release Notes v1.0 Page 35 of 82
Defect ID:
DEFECT000538092
Technical Severity:
Medium
Probability:
Low
Product:
FOS
Technology:
Virtualization
Reported In Release:
FOS7.2.1
Technology Area:
Access Gateway
Symptom:
Following a FOS firmware upgrade or hareboot, traffic to and from the Access Gateway stops after
the N-Port trunk master is disabled.
Condition:
This issue will occur when the following conditions occur:
- hareboot for any reason, including firmwaredownload.
- N-port trunk with at least two trunk members.
- Trunk master of the N-port trunk is disabled.
Workaround:
Never disable the N-port trunk master when other trunk members are online. Instead, always
disable all trunk members. Trunk slaves can be disabled with no issue.
Recovery:
To recover, do one of two things:
1. Bounce a host F_port on the Access Gateway. Or,
2. Disable all trunk members and then enable all trunk members.
Defect ID:
DEFECT000539167
Technical Severity:
High
Probability:
High
Product:
FOS
Technology:
Management
Reported In Release:
FOS7.1.1
Technology Area:
Web Tools
Symptom:
Weblinker termination when the TACACS+ server is unreachable
Condition:
Happens only when user tries to login to switch which has unreachable TACACS+ server for
authentication.
Workaround:
Use local or other remote authentication(LDAP/RADIUS) for login
Defect ID:
DEFECT000539290
Technical Severity:
High
Probability:
High
Product:
FOS
Technology:
Traffic Management
Reported In Release:
FOS7.2.1
Technology Area:
Buffer Credit Recovery
Symptom:
On internal back end (BE) link with 16G core blade to 8G edge blade, credit is not automatically
recovered.
Condition:
For the 16G core blade to 8G edge blade direction, if there is credit loss on VC and the
"creditrecovmod --cfg onLROnly" command is not enabled in an early release, then once the 16G
credit leak interrupt is triggered, the credit leak interrupt enabled bits will not be enabled again.
Workaround:
Run creditrecovmod --cfg onLROnly before credit is depleted.
Recovery:
Slotpoweroff /on core blade to recover the BE link
Defect ID:
DEFECT000540245
Technical Severity:
High
Probability:
Low
Product:
FOS
Technology:
Distance
Reported In Release:
FOS7.1.0
Technology Area:
FCIP
Symptom:
Tunnels bounce caused FFDC event.
Condition:
This may occur if a FICON frame sequence is received with FC type of 0x1B or 0x1C, with one
SOFi3 frame followed by more than 13 SOFn3 frames in sequence on an FCIP Tunnel. Such
condition may occur with a failed FICON adapter in a connected device.