Here is my config :
Switch1 :
---------
```
set version 22.2R3-S1.9
set system host-name sw1
set system services ssh
set system syslog file interactive-commands interactive-commands any
set system syslog file messages any notice
set system syslog file messages authorization info
set interfaces xe-0/0/0 unit 0 family inet6
set interfaces xe-0/0/47 flexible-vlan-tagging
set interfaces xe-0/0/47 native-vlan-id 2110
set interfaces xe-0/0/47 encapsulation extended-vlan-bridge
set interfaces xe-0/0/47 unit 2110 vlan-id 2110
set interfaces xe-0/0/47 unit 2111 vlan-id 2111
set interfaces em0 unit 0 family inet6 address
2001:db8:ffff:ffff:ffff:ffff:69:1/112
set interfaces lo0 unit 0 family inet6 address 2001:db8:ffff::69:1/128
set forwarding-options storm-control-profiles default all
set forwarding-options evpn-vxlan shared-tunnels
set policy-options policy-statement send-direct term 1 from protocol direct
set policy-options policy-statement send-direct term 1 from interface lo0.0
set policy-options policy-statement send-direct term 1 then accept
set routing-instances Cust1 instance-type mac-vrf
set routing-instances Cust1 protocols evpn encapsulation vxlan
set routing-instances Cust1 vtep-source-interface lo0.0
set routing-instances Cust1 vtep-source-interface inet6
set routing-instances Cust1 service-type vlan-aware
set routing-instances Cust1 route-distinguisher 4200069001L:1
set routing-instances Cust1 vrf-target target:63001:1
set routing-instances Cust1 vlans V2110 interface xe-0/0/47.2110
set routing-instances Cust1 vlans V2110 vxlan vni 472110
set routing-instances Cust1 vlans V2111 interface xe-0/0/47.2111
set routing-instances Cust1 vlans V2111 vxlan vni 472111
set routing-options router-id 10.255.69.1
set routing-options autonomous-system 4200069001
set protocols bgp group underlay type external
set protocols bgp group underlay family inet6 unicast
set protocols bgp group underlay export send-direct
set protocols bgp group underlay neighbor fe80::e65d:37ff:fec2:cb03
local-interface xe-0/0/0.0
set protocols bgp group underlay neighbor fe80::e65d:37ff:fec2:cb03 peer-as
4200069002
set protocols bgp group evpn_overlay type external
set protocols bgp group evpn_overlay multihop no-nexthop-change
set protocols bgp group evpn_overlay local-address 2001:db8:ffff::69:1
set protocols bgp group evpn_overlay family evpn signaling
set protocols bgp group evpn_overlay neighbor 2001:db8:ffff::69:2
accept-remote-nexthop
set protocols bgp group evpn_overlay neighbor 2001:db8:ffff::69:2 peer-as
4200069002
set protocols bgp bfd-liveness-detection minimum-interval 1000
set vlans default vlan-id 1
```
Switch2 :
---------
```
set version 22.2R3-S1.9
set system host-name sw2
set system services ssh
set system syslog file interactive-commands interactive-commands any
set system syslog file messages any notice
set system syslog file messages authorization info
set interfaces xe-0/0/0 unit 0 family inet6
set interfaces xe-0/0/47 flexible-vlan-tagging
set interfaces xe-0/0/47 native-vlan-id 2110
set interfaces xe-0/0/47 encapsulation extended-vlan-bridge
set interfaces xe-0/0/47 unit 2110 vlan-id 2110
set interfaces xe-0/0/47 unit 2111 vlan-id 2111
set interfaces em0 unit 0 family inet6 address
2001:db8:ffff:ffff:ffff:ffff:69:2/112
set interfaces lo0 unit 0 family inet6 address 2001:db8:ffff::69:2/128
set forwarding-options storm-control-profiles default all
set forwarding-options evpn-vxlan shared-tunnels
set policy-options policy-statement send-direct term 1 from protocol direct
set policy-options policy-statement send-direct term 1 from interface lo0.0
set policy-options policy-statement send-direct term 1 then accept
set routing-instances Cust1 instance-type mac-vrf
set routing-instances Cust1 protocols evpn encapsulation vxlan
set routing-instances Cust1 vtep-source-interface lo0.0
set routing-instances Cust1 vtep-source-interface inet6
set routing-instances Cust1 service-type vlan-aware
set routing-instances Cust1 route-distinguisher 4200069002L:1
set routing-instances Cust1 vrf-target target:63001:1
set routing-instances Cust1 vlans V2110 interface xe-0/0/47.2110
set routing-instances Cust1 vlans V2110 vxlan vni 472110
set routing-instances Cust1 vlans V2111 interface xe-0/0/47.2111
set routing-instances Cust1 vlans V2111 vxlan vni 472111
set routing-options router-id 10.255.69.2
set routing-options autonomous-system 4200069002
set protocols bgp group underlay type external
set protocols bgp group underlay family inet6 unicast
set protocols bgp group underlay export send-direct
set protocols bgp group underlay neighbor fe80::b68a:5fff:fee1:7c03
local-interface xe-0/0/0.0
set protocols bgp group underlay neighbor fe80::b68a:5fff:fee1:7c03 peer-as
4200069001
set protocols bgp group evpn_overlay type external
set protocols bgp group evpn_overlay multihop no-nexthop-change
set protocols bgp group evpn_overlay local-address 2001:db8:ffff::69:2
set protocols bgp group evpn_overlay family evpn signaling
set protocols bgp group evpn_overlay neighbor 2001:db8:ffff::69:1
accept-remote-nexthop
set protocols bgp group evpn_overlay neighbor 2001:db8:ffff::69:1 peer-as
4200069001
set protocols bgp bfd-liveness-detection minimum-interval 1000
set vlans default vlan-id 1
```
# run show bgp summary
Threading mode: BGP I/O
Default eBGP mode: advertise - accept, receive - accept
Groups: 2 Peers: 2 Down peers: 0
Table Tot Paths Act Paths Suppressed History Damp State Pending
inet6.0
1 1 0 0 0 0
bgp.evpn.0
2 2 0 0 0 0
Peer AS InPkt OutPkt OutQ Flaps Last Up/Dwn
State|#Active/Received/Accepted/Damped...
2001:db8:ffff::69:1 4200069001 58 62 0 0
24:15 Establ
bgp.evpn.0: 2/2/2/0
Cust1.evpn.0: 2/2/2/0
__default_evpn__.evpn.0: 0/0/0/0
fe80::b68a:5fff:fee1:7c03%xe-0/0/0.0 4200069001 83 82 0
0 35:33 Establ
inet6.0: 1/1/1/0
# run show route table Cust1.evpn.0
Cust1.evpn.0: 6 destinations, 6 routes (6 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
2:4200069002L:1::472110::3c:ec:ef:af:4a:24/304 MAC/IP
*[EVPN/170] 00:00:21
Indirect
2:4200069002L:1::472110::3c:ec:ef:af:4a:24::192.168.88.2/304 MAC/IP
*[EVPN/170] 00:00:21
Indirect
3:4200069001L:1::472110::2001:db8:ffff::69:1/248 IM
*[BGP/170] 00:24:30, localpref 100, from 2001:db8:ffff::69:1
AS path: 4200069001 I, validation-state: unverified
> to fe80::b68a:5fff:fee1:7c03 via xe-0/0/0.0
3:4200069001L:1::472111::2001:db8:ffff::69:1/248 IM
*[BGP/170] 00:24:30, localpref 100, from 2001:db8:ffff::69:1
AS path: 4200069001 I, validation-state: unverified
> to fe80::b68a:5fff:fee1:7c03 via xe-0/0/0.0
3:4200069002L:1::472110::2001:db8:ffff::69:2/248 IM
*[EVPN/170] 00:29:32
Indirect
3:4200069002L:1::472111::2001:db8:ffff::69:2/248 IM
*[EVPN/170] 00:29:32
Indirect
`192.168.88.2` is one of the client device.
Regards,
>
> From: juniper-nsp <juniper-nsp-boun...@puck.nether.net> on behalf of Denis
> Fondras via juniper-nsp <juniper-nsp@puck.nether.net>
> Date: Saturday, 25 November 2023 at 14:27
> To: juniper-nsp@puck.nether.net <juniper-nsp@puck.nether.net>
> Subject: [j-nsp] QFX5110 / EVPN-VXLAN with IPv6 underlay
> Hello,
>
> I am trying to make work EVPN-VXLAN with an IPv6 (eBGP) underlay between a
> couple of QFX5110 with JunOS version 22.2R3 (following
> https://www.juniper.net/documentation/us/en/software/junos/evpn-vxlan/topics/topic-map/vxlan-ipv6-underlay-overview.html)
> When I check the status, it seems everything is working as expected (I can see
> routes and MACs in to the VRF table on both side). But I cannot ping from one
> client device on side A to another one on side B.
> The routing table shows the MAC and IPv4 are learned on both side but it seems
> no traffic reaches the client devices (arp table on client device shows the
> remote device is "incomplete").
>
> Can you give a clue ? I haven't found any information on wether it could work
> on
> QFX5110.
> Maybe you could share a working config ?
>
> Thank you in advance,
> Denis
> _______________________________________________
> juniper-nsp mailing list juniper-nsp@puck.nether.net
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