Part 1 of 3 Video Series: BGP Unnumbered
Data Center Architectures Part 1: A deep dive into BGP unnumbered
RFC 5549 is becoming increasingly popular in the data center IP fabric ecosystem. Here, in part one of a three-part video series, Juniper’s Arun Ghandi and Michal Styszynski provide a basic overview of BGP Unnumbered, specified in RFC 5549.
Why the IETF standardization community proposed the BGP unnumbered standard specified in RFC 5549
Why Juniper is adding additional BGP capabilities into our data center fabrics
The differences between BGP unnumbered and regular eBGP
Who is this for?
00:12 IP Fabrics using 3-stage or 5-stage data center architectures are becoming the de-facto standard
00:19 in many Tier 2 cloud providers and telco-clouds.
00:23 Still, the lack of configuration or automation capabilities requires additional effort when
00:29 deploying these highly scalable networks using eBGP.
00:33 And that is why the IETF standardization community proposed the BGP unnumbered standard, specified
00:41 in RFC 5549, which is becoming increasingly popular in Data Center IP Fabric eco-system.
00:49 I'm excited to have Michal join me on the first three-part video series to discuss BGP
00:56 unnumbered.Michal Styszynski, thanks for joining.
00:59 I'd love to hear your thoughts on a few questions I have.
01:09 Juniper already has a decent number of BGP capabilities in Junos and Junos OS Evolved.
01:16 Is there any reason in particular for adding additional BGP capabilities into our data
01:21 center fabrics?
01:23 Outside of tier-1 cloud providers using IP Fabrics extensively with built-in automation
01:41 tools, the native IP Fabrics using qfx5220-32cd are becoming popular also in smaller scale
02:04 Telco-Cloud and Enterprise DC eco-system, so for those environments which are not using
02:10 day one any fabric managers or automation tools, the BGP unnumbered can simplify the
02:44 way IP Fabrics are getting deployed in production networks.
02:51 Is the BGP
03:08 unnumbered easy to enable compared to our IGP - Interior Gateway Protocols?
03:21 As a matter of fact, with the BGP unnumbered, we specify the interface name at the BGP peering
03:44 level instead of specifying the local and remote IP address.
03:52 Add a comment based on a mini demo video of the configuration
04:14 and verification.
04:39 What are the differences between the BGP unnumbered vs. regular eBGP?
04:49 Overall, the main difference is regarding the single hop vs. multi-hop BGP capability
05:12 - we typically use the BGP unnumbered for underlay point to point eBGP peering, and
05:31 on top of it, we can add the multi-hop eBGP for any overlay peering purposes.