Hello, I use FRR a lot in ISPs that I work for, but in cases of RR I prefer to use GoBGP or BIRD. I prefer GoBGP or Bird instead FRR because they are easier to automate.
But yes, you can use FRR to do so. [cid:[email protected]] > On 3 Jun 2026, at 10:02, Douglas Fischer via NANOG <[email protected]> > wrote: > > Perhaps these excellent publications by Justin Pietsch can help you decide: > https://medium.com/the-elegant-network/performance-testing-of-commercial-bgp-c3b93424dd6d > I suggest reading the entire set of posts. > > I don't know if anyone has done analyses of this same type recently. > If so, I'd like to read them. > > > Em ter., 2 de jun. de 2026 às 18:14, Tom Samplonius via NANOG < > [email protected]> escreveu: > >> >> Well, while I’m curious about FRR specific characteristics, I think the >> typical BGP CPU advice still applies: >> >> >> 1. Fastest possible cores. While there are techniques to process BGP in >> parallel (ex. sharding), BGP often tends to serialize updates. Faster >> cores are always better for BGP. >> >> >> 2. Virtualization is just a tax. Assume it takes 10% of your performance, >> which is probably on the high-end for a RR. RRs don’t forward packets, so >> XDP and DPDK and all that stuff, do not apply. >> >> >> >> Juniper says their container routing protocol daemon (cRPD): >> >> Junos cRPD is designed to maximize routing performance. For example, it is >> capable of reflecting 10 copies of Internet routes to 1000 BGP peers in >> less than 60 seconds. >> >> >> >> I’m curious if FRR can do that, and what hardware that would be. >> >> >> >> Tom >> >> >> >>> On Jun 2, 2026, at 7:30 AM, Owens, Richard A. via NANOG < >> [email protected]> wrote: >>> >>> I have had this question also before. Also importantly, if you would, >> what kind of hardware specs do your RR's have and are they physical or >> virtual? >>> >>> >>> --- >>> >>> Richard Owens >>> >>> Network Automation and Wireless Engineer | Information Technology >> Services >>> >>> Old Dominion University >>> >>> 4300 Engineering and Computational Sciences Building >>> >>> >>> >>> https://www.odu.edu/its >>> >>> >>> >>> ________________________________ >>> From: fritz--- via NANOG <[email protected]> >>> Sent: Tuesday, June 2, 2026 10:09 >>> To: [email protected] <[email protected]> >>> Cc: [email protected] <[email protected]> >>> Subject: Re: FRR for BGP route reflectors? >>> >>> EXTERNAL to ODU: This email is not from an ODU account. Do not click >> links or open attachments unless you recognize the sender and know the >> content is safe. >>> >>> Hi Tom! >>> >>> We are using FRRouting on Linux VMs as dedicated BGP route reflectors >> for AFs vpnv4, vpnv6 and evpn. >>> Having around 1000 RR clients connected with a handful of L3VPN and a >> few dozen EVPN instances. >>> We don't keep the full routing table on them, but that should cause no >> problem, just throw a bit more memory onto the VMs. >>> BGP works like a charm on FRRouting and is also pretty good on >> supporting recent BGP features. >>> We can absolutely recommend it. >>> >>> As a sidenote: IGPs at FRRouting seem to get a bit less love, so don't >> be too sophisticated there... >>> >>> BR, >>> Thomas >>> Senior Network Engineer >>> Init7 (AS13030) >>> _______________________________________________ >>> NANOG mailing list >>> >> https://lists.nanog.org/archives/list/[email protected]/message/5YPBTLAZTZ2PLG3THWK3R4J45NLLQLER/ >> < >> https://lists.nanog.org/archives/list/[email protected]/message/5YPBTLAZTZ2PLG3THWK3R4J45NLLQLER/ >>> >>> _______________________________________________ >>> NANOG mailing list >>> >> https://lists.nanog.org/archives/list/[email protected]/message/G3JYH7XV5L7QXUF3CNZWUAGTCT6MBFFV/ >> >> _______________________________________________ >> NANOG mailing list >> >> https://lists.nanog.org/archives/list/[email protected]/message/BMWHVTDOGPJGEZH4X2IYC5PVWMSRCB32/ > > > > -- > Douglas Fernando Fischer > Engº de Controle e Automação > _______________________________________________ > NANOG mailing list > https://lists.nanog.org/archives/list/[email protected]/message/6JZ6ABP25IEM56TSSYYRENU4GKXVDWCH/ _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/[email protected]/message/2DXBNS52WJRRFNWTOM5DA2JFIVJUJGNW/
