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4-11
Cisco MDS 9000 Family Troubleshooting Guide
OL-5183-02, Cisco MDS SAN-OS Release 1.3
Chapter 4 Troubleshooting Switch Fabric Level Issues
Troubleshooting FSPF Issues
FSPF Issues in a Single-VSAN Environment
Figure 4-1 Single VSAN Topology
For the purpose of this example, assume that all interfaces are located in VSAN 1.
Step 1 Verify that each path is in the FSPF database by entering the following command at the exec prompt:
Switch switch1# show fspf database
The system output looks like this:
Switch switch1# show fspf database
FSPF Link State Database for VSAN 1 Domain 1 -----1
LSR Type = 1
Advertising domain ID = 1 -----2
LSR Age = 81 -----3
LSR Incarnation number = 0x80000098 -----4
LSR Checksum = 0x2cd3
Number of links = 2
NbrDomainId IfIndex NbrIfIndex Link Type Cost
------------------------------------------------------------------------------------------
------
237 0x00010002 0x00010001 1 1000 -----5
238 0x00010003 0x00010002 1 1000 -----6
The following is the beginning of another switch’s LSR (Link State Record).
FSPF Link State Database for VSAN 1 Domain 237
LSR Type = 1
Advertising domain ID = 237 -----7
Metric 1000
Metric 1000
Metric 1000
Metric 1000
Domain_ID
1
witch2
Domain_ID
239
Switch3
Domain_ID
237
Switch1
Domain_ID
238
Switch5
Port 3
Index
0x00010002
Port 4
Index
0x00010003
Port 2
Index
0x00010001
Port 2
Index
0x00010001
Port 1
Index
0x00010000
Port 1
Index
0x00010001
Port 2
Index
0x00010001
Port 4
Index
0x00010003
91410
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