Resolving A Mismatched Retransmit Interval On An Isl Using Device Manager; Resolving A Mismatched Retransmit Interval On An Isl Using The Cli - Cisco 9134 - MDS Multilayer Fabric Switch Troubleshooting Manual

FSPF Issues
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
Timer intervals configured, Hello 20 s, Dead 80 s, Retransmit 5 s <-----1
FSPF State is INIT <-----2
Statistics counters :
Number of packets received : LSU
Number of packets transmitted : LSU
Number of times inactivity timer expired for the interface = 0
1.
2.
Use the interface command and then the fspf hello-interval command in interface mode to change the
Step 6
default Hello interval.

Resolving a Mismatched Retransmit Interval on an ISL Using Device Manager

To resolve a mismatched retransmit interval on an ISL using Device Manager, follow these steps:
Choose FC > Advanced > FSPF and select the Interfaces tab to verify that the FSPF parameters are
Step 1
correct for each interface and check the Retransmit interval column and the State column.
•
•
Step 2 Repeat
Step 3 Fill in the Retransmit field to change the retransmit interval and click Apply.

Resolving a Mismatched Retransmit Interval on an ISL Using the CLI

To resolve a mismatched retransmit interval on an ISL using the CLI, follow these steps:
Use the show fspf vsan vsan-id interface command to view the FSFP configuration.
Step 1
switch1# show fspf vsan 1 interface fc1/16
FSPF interface fc1/16 in VSAN 1
FSPF routing administrative state is active
Interface cost is 500
Timer intervals configured, Hello 5 s, Dead 80 s, Retransmit 10 s <-----1
FSPF State is INIT <-----2
Statistics counters :
Number of packets received : LSU
Number of packets transmitted : LSU
Number of times inactivity timer expired for the interface = 0
1.
2.
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
11-30
The neighbor FSPF Hello interval is set to the default (20 seconds).
FSPF is not in full state, indicating a problem.
The Intervals column shows the configured FSPF timers for this interface, which must match on both
sides.
The State column shows the full or adjacent state if the interface has sent and received all database
exchanges and required Acks. The port is now ready to route frames.
Step 1 to determine the value of the retransmit interval on the adjacent switch.
The retransmit interval is not set to the default, so you should check the neighbor configuration to
make sure it matches.
FSPF is not in FULL state, indicating a problem.
Chapter 11 Troubleshooting VSANs, Domains, and FSPF
0 LSA 0 Hello 2 Error packets 1
0 LSA 0 Hello 4
0 LSA 0 Hello 2 Error packets 1
0 LSA 0 Hello 4
Retransmitted LSU 0
Retransmitted LSU 0
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