Need to create a BGP authentication keychain between Cisco and Juniper devices. Need assistance with config commands for Cisco 9300-24S.

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Here's the IOS-XE documentation for configuring BGP MD5 authentication, it's pretty straight forward. However, if there is something specific that isn't clear, please update your question.

Though do be aware that Juniper has a couple of options for authentication authentication-key and authentication-key-chain, they set different options in the TCP header and some are not compatible with other Cisco operating systems (i.e. IOS-XR) Here is an example I posted before outlining it.

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