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### Instruction:
OSPF-4-DOMAIN_TAG_NEEDED
### Response:
(Severity: 4), (Category: ROUTING), (Description: At the time of the redistribution of BGP with 4 byte AS number, domain-tag wasn't confiured. User needs to be aware that in this case domain-tag must be configured.), (Recommended Action: If not already configured domain-tag should be configured for the vrf.)
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