Brocade Troubleshooting and Diagnostics Guide v6.1.0 (53-1000853-01, June 2008)

Fabric OS Troubleshooting and Diagnostics Guide 25
53-1000853-01
Device login issues
3
• If the loopback test did not fail, the SFP was bad.
7. Perform the following steps to rule out cabling issues:
a. Insert a new cable in the suspected marginal port.
b. Enter the portErrShow command to determine if a problem still exists.
• If the portErrShow output displays a normal number of generated errors, the issue is
solved.
• If the portErrShow output still displays a high number of generated errors, follow the
troubleshooting procedures for the Host or Storage device in the following section,
“Device login issues”.
Device login issues
A correct login is when the port type matches the device type that is plugged in. In the example
below, it shows that the device connected to Port 1 is a fabric point-to-point device and it is
correctly logged in an F-Port.
brcd5300:admin> switchshow
switchName:brcd5300
switchType:64.3
switchState:Online
switchMode:Native
switchRole:Subordinate
switchDomain:1
switchId:fffc01
switchWwn:10:00:00:05:1e:40:ff:c4
zoning:OFF
switchBeacon:OFF
FC Router:OFF
FC Router BB Fabric ID:1
Area Port Media Speed State Proto
=====================================
0 0 -- N8 No_Module
1 1 -- N8 No_Module
2 2 -- N8 No_Module
3 3 -- N8 No_Module
4 4 -- N8 No_Module
5 5 -- N8 No_Module
6 6 -- N8 No_Module
7 7 -- N8 No_Module
8 8 -- N8 No_Module
9 9 -- N8 No_Module
10 10 -- N8 No_Module
11 11 -- N8 No_Module
12 12 -- N8 No_Module
13 13 -- N8 No_Module
14 14 -- N8 No_Module
15 15 -- N8 No_Module
16 16 -- N8 No_Module
17 17 -- N8 No_Module
18 18 -- N8 No_Module
19 19 -- N8 No_Module
20 20 -- N8 No_Module
21 21 -- N8 No_Module