HPE7-A08 Exam Dumps : HPE Aruba Networking Certified Professional – Switching

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LACP (Link Aggregation Control Protocol) modes can be active or passive. When two switches are both configured in passive mode, no LACP packets are initiated, causing the link aggregation to fail or go into a block state.

Changing one side from passive to active causes that switch to initiate LACP negotiation, resolving the block state.

Changing to static mode disables LACP negotiation, which is not recommended unless both sides are static.

Changing timeout does not solve LACP block issues caused by mode mismatches.

Therefore, changing one switch’s LACP mode from passive to active is necessary to resolve the block.

When establishing eBGP peering between devices that are not directly connected, the TTL (Time To Live) value of the BGP packets must be increased to allow them to traverse multiple hops. This is achieved by configuring ebgp-multihop, which increases the TTL beyond the default value of 1.

next-hop-self changes the BGP next-hop attribute but is not required for multihop eBGP.

route-reflector is a BGP design feature unrelated to multihop.

address-family ipv4 external is not a standard command on Aruba CX switches.

Therefore, to successfully peer eBGP sessions across multiple hops, ebgp-multihop must be configured.