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  • Enabling Secure Policies over eBGP Sessions in IOS XE

    calendar Jan 10, 2026  · BGP Routing  ·
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    In IOS XR, a security mechanism exists whereby eBGP sessions do not exchange routes until both inbound and outbound policies are configured. In recent years, this functionality has also been made available for configuration on IOS XE.


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  • Managing Configuration Comments on IOS XR

    calendar Jan 4, 2026  · BGP Routing  ·
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    In IOS XR, it is possible to manage annotations/comments within the configuration. This post explains the procedures to insert and remove them efficiently.


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  • Is Enabling a New BGP Address Family Really Safe?

    calendar Dec 29, 2025  · BGP Routing  ·
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    Often, when it is necessary to enable a new address family within a BGP session, it is assumed that the operation has no impact. In this post, we will examine whether this assumption is always true.


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  • The Myth of eBGP Multihop Between Loopback Interfaces

    calendar Dec 16, 2025  · BGP Routing  ·
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    External BGP sessions require a specific configuration to be established across multiple hops. What happens when the session is built between the loopback interfaces of two adjacent nodes?


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Recent Posts

  • Enabling Secure Policies over eBGP Sessions in IOS XE
  • Managing Configuration Comments on IOS XR
  • Is Enabling a New BGP Address Family Really Safe?
  • The Myth of eBGP Multihop Between Loopback Interfaces
  • Cisco ISE Administrator Accounts: CLI and GUI Access
  • Hey, what? Another blog?

Tags

BGP 4 ROUTING 4 ISE 1 SECURITY 1
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