The default sending interval for BFD (Bidirectional Forwarding Detection) control packets is 100 milliseconds. This interval ensures rapid detection of link faults, providing fast failover and minimizing downtime in network operations .

Non-Client Definition in IBGP
* In an IBGP setup with a Route Reflector (RR), a non-client is an IBGP peer that is neither the RR itself nor its client.
* Non-clients must establish fully meshed IBGP connections with all other non-clients and the RR because IBGP rules prohibit route propagation between non-clients without a direct connection.
HCIP-Datacom-Core Reference
* The behavior of non-clients in an RR topology is clearly outlined in the BGP implementation chapters.

Sequential
Explanation:
ACL Matching in Huawei Routers:
* Access Control Lists (ACLs) are used to filter packets based on specific criteria, such as source
/destination IP, ports, or protocols.
* When a packet arrives, the Huawei router processes it against the configured ACL rules to decide whether to permit or deny the packet.

IPv6 Address Behavior
* Manually configured link-local addresses do not have a higher priority than automatically generated ones; they coexist and are equally preferred for local communication.
* The other statements are true:
* A. Link-local addresses can use the EUI-64 method for quick generation.
* B. Anycast addresses are only used as destination addresses.
* C. An interface can have multiple global unicast addresses with different prefixes.
HCIP-Datacom-Core Reference
* IPv6 address types and priority behaviors are detailed in the IPv6 addressing sections.

When two BGP peers negotiate the Hold Time, the shorter value between the two configured Hold Time values is selected. This ensures compatibility and maintains the stability of the BGP session .