…which is probably why you can configure it as “0” and Junos expands it to “0.0.0.0”
Aaron > On Nov 28, 2023, at 10:07 AM, Christian Scholz via juniper-nsp > <juniper-nsp@puck.nether.net> wrote: > > Also might be worth mentioning that the Router-ID - although it might look > like one and you would usually use one you already have on your loopback - is > technically not an IP(v4)-Address. > > > See: > https://www.juniper.net/documentation/us/en/software/junos/static-routing/topics/ref/statement/router-id-edit-routing-options.html > > Even if you run only OSPF3 or IPv6 BGP peering in a routing instance, a > 32-bit router-id must be configured in the instance. This is because IPv6 > routing protocols use the router-id for handshaking. The router ID must be > configured as a 4 octet (32 bit) unsigned non-zero integer value. > It's often convenient to use an IPv4 address as the router ID. However, a > valid IPv4 address is not required. The RID does not have to be a routable > IPv4 address. You can configure any 32-bit value that is unique within the > routing domain. If you do not configure the router-id in an IPv6 OSPF or BGP > routing instance the IPv6 protocols will use an invalid value for the router > ID (0.0.0.0) and the adjacency and connections will fail > > CHS > > > >> Am 28.11.2023 um 16:14 schrieb Roger Wiklund via juniper-nsp >> <juniper-nsp@puck.nether.net>: >> >> For the QFX5110 specifically, MAC-VRF is supported: >> https://apps.juniper.net/feature-explorer/feature-info.html?fKey=9788&fn=MAC+VRF+with+EVPN-VXLAN >> >> But IPv6 underlay is not: >> https://apps.juniper.net/feature-explorer/feature-info.html?fKey=11165&fn=EVPN-VXLAN+fabric+with+an+IPv6+underlay >> >> So maybe it's an ASIC limitation as QFX5110 is using Trident 2+ and >> QFX5120/EX4400 is using Trident 3. >> >> Regards >> Roger >> >> >> >>> On Tue, Nov 28, 2023 at 3:48 PM Roger Wiklund <roger.wikl...@gmail.com> >>> wrote: >>> >>> Hey >>> >>> You're interpreting the default switch limitation incorrectly. >>> >>> It doesn't mean the QFX5120 can't support MAC-VRFs, it means even if you >>> implement MAC-VRFs you still only have a single switch domain and can't >>> have overlapping VLANs in the different MAC-VRFs. (MX does not have this >>> limitation. It supports 32k VLANs) >>> >>> IPv6 underlay is supported on QFX5120 in MAC-VRF from Junos 21.2R2: >>> Explore Features by Product | Juniper Networks Pathfinder Feature Explorer >>> <https://apps.juniper.net/feature-explorer/select-platform.html?typ=1&category=Switching&pid=31705120&platform=QFX5120-48Y&swName=Junos%20OS&rel=23.2R1&sid=1277&swtab=Junos%20OS> >>> >>> You can configure an EVPN-VXLAN fabric with an IPv6 underlay. You can use >>> this feature only with MAC-VRF routing instances (all service types). You >>> must configure either an IPv4 or an IPv6 underlay across the EVPN instances >>> in the fabric; you can’t mix IPv4 and IPv6 underlays in the same fabric. >>> To enable this feature, include these steps when you configure the EVPN >>> underlay: >>> • Configure the underlay VXLAN tunnel endpoint (VTEP) source interface as >>> an IPv6 address: >>> • Even though the underlay uses the IPv6 address family, for BGP >>> handshaking to work in the underlay, you must configure the router ID in >>> the routing instance with an IPv4 address: >>> • Enable the Broadcom VXLAN flexible flow feature, release where the >>> feature is not enabled by default: >>> We support the following EVPN-VXLAN features with an IPv6 underlay: >>> • EVPN Type 1, Type 2, Type 3, Type 4, and Type 5 routes(excluding EX9200 >>> for type 5). >>> • Shared VTEP tunnels (required with MAC-VRF instances). >>> • All-active multihoming, including Ethernet segment ID (ESI) >>> auto-generation and preferencebased DF (DF) election. >>> • EVPN core isolation. >>> • Bridged overlays. >>> • Layer 3 gateway functions in ERB and CRB overlays with IPv4 or IPv6 >>> traffic. >>> • Underlay and overlay load balancing. >>> • Layer 3 protocols over IRB interfaces—BFD, BGP, OSPF. >>> • Data center interconnect (DCI)—over-the-top (OTT) full mesh only. >>> • EVPN proxy ARP and ARP suppression, and proxy NDP and NDP suppression. >>> >>> Regards >>> Roger >>> >>> On Mon, Nov 27, 2023 at 11:31 AM Denis Fondras via juniper-nsp < >>> juniper-nsp@puck.nether.net> wrote: >>> >>>> Hello, >>>> >>>> Thank you very much everyone for the help. >>>> >>>> It seems that `netraven` nailed it. >>>> I missed the part where QFX5110 could not support multiple forwarding >>>> instances. >>>> >>>> I will have to go back to the legacy protocol then :/ >>>> Replacing IPv6 addresses with IPv4 addresses, keeping the same config, >>>> worked on >>>> first try. >>>> >>>> Thank you again ! >>>> Denis >>>> >>>> >>>> Le Mon, Nov 27, 2023 at 10:52:52AM +0100, netravnen+nspl...@gmail.com a >>>> écrit : >>>>> Dennis, >>>>> >>>>> On Sat, 25 Nov 2023 at 15:26, Denis Fondras via juniper-nsp >>>>> <juniper-nsp@puck.nether.net> wrote: >>>>>> Can you give a clue ? I haven't found any information on wether it >>>> could work on >>>>>> QFX5110. >>>>> >>>>> Looking at the two pages below. >>>>> 1. The QFX5120 (assuming this also applies to the QFX5120-32C model) >>>>> *only* supports the default-switch forwarding instance. >>>>> 2. And IPv6 underlays seem to be *exactly not* supported for the >>>>> default-switch forwarding instance. >>>>> >>>>> If I take this from what it reads. It looks like you cannot archive >>>>> what you are trying atm. >>>>> >>>>> Try asking JTAC to confirm this? >>>>> >>>>> From: >>>>> >>>> https://www.juniper.net/documentation/us/en/software/junos/evpn-vxlan/topics/concept/mac-vrf-routing-instance-overview.html#xd_4081e20476f017c2--1e138ae7-1795628658a--7dbc__subsection_mac-vrf-service-types >>>>> """ >>>>> EX4400, QFX5100, QFX5110, QFX5120, QFX5200, QFX5130-32CD, and QFX5700 >>>>> switches, and PTX10001-36MR, PTX10004, PTX10008, PTX10016 routers >>>>> These devices support only one forwarding instance (default-switch). >>>> (...) >>>>> """ >>>>> >>>>> From: >>>>> >>>> https://www.juniper.net/documentation/us/en/software/junos/evpn-vxlan/topics/topic-map/vxlan-ipv6-underlay-overview.html >>>>> """ >>>>> (QFX Series switches) You must use MAC-VRF routing instances with EVPN >>>>> protocol and VXLAN encapsulation. We don't support IPv6 underlays with >>>>> other instance types such as evpn, evpn-vpws, virtual-switch or the >>>>> default switching instance. >>>>> """ >>>> _______________________________________________ >>>> juniper-nsp mailing list juniper-nsp@puck.nether.net >>>> https://puck.nether.net/mailman/listinfo/juniper-nsp >>>> >>> >> _______________________________________________ >> juniper-nsp mailing list juniper-nsp@puck.nether.net >> https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp
