Are you running router OS or switch OS on the switch? On Thu, Feb 18, 2021, 9:06 PM Nate Burke <n...@blastcomm.com> wrote:
> ROS 6.47.7 > > It's a production switch, so I'll have to change it around during a > maintenance window. The switch is passing several vlans between different > ports, but this is the first IPv6 traffic I'm putting through it. > > On 2/18/2021 8:22 PM, Jesse DuPont wrote: > > What RouterOS version is on your CRS317? In your third scenario, what > happens if you turn off VLAN filtering in the Bridge's VLAN tab? > > > *Jesse DuPont* > > Owner / Network Architect > email: jesse.dup...@celeritycorp.net > Celerity Networks LLC / Celerity Broadband LLC > Like us! facebook.com/celeritynetworksllc > > Like us! facebook.com/celeritybroadband > > > On 2/18/21 6:55 PM, Nate Burke wrote: > > The P2P provider is saying that they find no technical reason why the IPv6 > traffic is not passing, and they're pointing to my equipment. > > I've plugged a couple more routers into the CRS317 to test with. What I > found is that if I have the PVID set to the Vlan, and Admit all packets on > the interface, then I can ping with IPv6 between the 2 routers. But if I > define a VLan on either router, no IPv6 traffic passes. > > Router1 <- Ethernet Cable -> Router2 Ipv6 works > > Router1 <-CRS317 port1 PVID=3000 <-> CRS317 Port2 PVID=3000 -> Router2 > IPv6 works > > Router1 <-CRS317 Port1 PVID=3000 <-> CRS317 Port2 -> Vlan3000 Router 2 > IPv6 fails. > > But even if I have the PVID of my P2P port and Router1 set the same, I > still can't ping an IPv6 address on the other end of the P2P circuit. I'm > about ready to give up and Kill my Dualstack. > > Has anyone tried IPv6 with Vlans on a CRS317? Am I missing something > simple? > > On 2/15/2021 11:34 AM, Jesse Dupont wrote: > > The CRS will pass all ethertypes by default. > > Sent from my iPhone > > On Feb 15, 2021, at 9:52 AM, Nate Burke <n...@blastcomm.com> > <n...@blastcomm.com> wrote: > > After escalating with the provider, they think that might be what is > happening. If what they're telling me is true, Their Core network is > running MPLS, but it's in a QinQ to the NID that I'm plugged into. So all > IPv4 is fine, but might not pass IPv6. > > So do I need to set anything special on my CRS317 bridge to pass the IPv6 > Traffic on the Vlans? The Only Ethertype setting I see in the bridge > interface itself, and you can only choose 0x8100, 0x88a8, or 0x9100 > > On 2/15/2021 10:12 AM, Jesse DuPont wrote: > > It is possible your P2P provider is filtering Ethertypes. IPv4's Ethertype > if 0x0800 whereas IPv6's Ethertype is 0x86dd. This field is right after the > 802.1Q VLAN header in the L2 header. > > > *Jesse DuPont* > > Owner / Network Architect > email: jesse.dup...@celeritycorp.net > Celerity Networks LLC / Celerity Broadband LLC > Like us! facebook.com/celeritynetworksllc > > Like us! facebook.com/celeritybroadband > > > On 2/15/21 7:36 AM, Nate Burke wrote: > > I don't 'think' it's an MTU issue, even a simple IPv6 ping won't go across > the P2P circuit. > > On the CRS317, if I torch Vlan3000 on the ccr1009 interface, I see the > IPv6 icmp packets coming in from my CCR1009, but if I torch the Interface > going to the P2P circuit on the CRS317, I see no IPv6 traffic. Is that a > problem, or because of the way the Mikrotik packet flows work, I would only > see traffic as it enters the router, and since there is no reply from the > far end, nothing would show up. > > On 2/15/2021 6:15 AM, Adam Moffett wrote: > > I don't think MTU would be the issue. If the endpoint has a 1500 byte MTU > then it will send IP packets up to 1500 bytes long. IPv6 header is a > little longer, but that means the data portion will just have to be a > little shorter. So if you had an MTU issue with v6 you'd have an MTU issue > with v4 also. > > > On 2/14/2021 5:27 PM, Steve Jones wrote: > > The ip6 traffic is encapsulated in the vlan? Ip6 headers I'm assuming are > larger because the number itself is longer, mtu. But I'm just now learning > to use vlans and I lick the tasty windows so I dont know a lot > > On Sun, Feb 14, 2021, 3:00 PM Adam Moffett <dmmoff...@gmail.com> wrote: > >> Unless you've defined it as a protocol based VLAN then no it shouldn't >> matter. >> >> >> On 2/14/2021 3:12 PM, Nate Burke wrote: >> > I have a P2P circuit plugged into a CRS317-1G-16S+ and setting >> > PVID3000 on that bridge interface. A Mikrotik CCR1009 is plugged >> > into another port on the CRS317 set for trunked VLan3000. I can move >> > IPv4 traffic on Vlan3000 and to the other end of the P2P circuit just >> > fine, but I cannot move any IPv6 traffic on Vlan3000. >> > >> > The Vlan shouldn't care about IP4 vs IP6 traffic, right? I just want >> > to make sure I'm not causing my own problem before pointing my finger >> > at the Circuit. >> > >> > The IPv6 package is not installed on the CRS317, because it's just >> > acting as a switch, it's not doing any routing. That shouldn't >> > matter, right? >> > >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > > > > > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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