Restrictions for Implementing Routing Policy
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Border Gateway Protocol (BGP), integrated Intermediate System-to-Intermediate System (IS-IS), or Open Shortest Path First (OSPF) must be configured in your network.
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An individual policy definition of up to 1000 statements are supported. The total number of statements within a policy can be extended to 4000 statements using hierarchical policy constructs. However, this limit is restricted with the use of apply statements.
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When a policy that is attached directly or indirectly to an attach point needs to be modified, a single commit operation cannot be performed when: -
Removing a set or policy referred by another policy that is attached to any attach point directly or indirectly.
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Modifying the policy to remove the reference to the same set or policy that is getting removed.
The commit must be performed in two steps: -
Modify the policy to remove the reference to the policy or set and then commit .
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Remove the policy or set and commit .
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Per-vrf label mode is not supported for Carrier Supporting Carrier (CSC) network with internal and external BGP multipath setup.
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You cannot change the next hop address to an IPv6 address through RPL policy for a route that starts from an IPv4 peer.