Troubleshooting route policy configuration, Ipv4 routing information filtering failure, Symptom – H3C Technologies H3C S7500E Series Switches User Manual
Page 375: Analysis, Solution, Ipv6 routing information filtering failure
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Network NextHop MED LocPrf PrefVal Path/Ogn
*> 4.4.4.0/24 1.1.3.1 0 300 100i
*> 5.5.5.0/24 1.1.3.1 0 300 100i
*> 6.6.6.0/24 1.1.3.1 0 300 100i
The display above shows that Switch D has learned only routes 4.4.4.0/24, 5.5.5.0/24, and 6.6.6.0/24
from AS 100.
Troubleshooting Route Policy Configuration
IPv4 Routing Information Filtering Failure
Symptom
Filtering routing information failed, while the routing protocol runs normally.
Analysis
At least one item of the IP prefix list should be configured as permit mode, and at least one node in the
Route policy should be configured as permit mode.
Solution
1) Use
the
display ip ip-prefix command to display IP prefix list information.
2) Use
the
display route-policy command to display route policy information.
IPv6 Routing Information Filtering Failure
Symptom
Filtering routing information failed, while the routing protocol runs normally.
Analysis
At least one item of the IPv6 prefix list should be configured as permit mode, and at least one node of
the Route policy should be configured as permit mode.
Solution
1) Use
the
display ip ipv6-prefix command to display IP prefix list information.
2) Use
the
display route-policy command to display route policy information.