[admin@Ros] > /ipv6/address/print
Flags: D - DYNAMIC; G, L - LINK-LOCAL
Columns: ADDRESS, FROM-POOL, INTERFACE, ADVERTISE
# ADDRESS FROM-POOL INTERFACE ADVERTISE
0 G 2405:9800:b600:7d8a::/64 ipv6 ether2 no
1 DL fe80:1bff:fec8:c236/64 ether5 no
2 DL fe80:
3 DL fe80:
4 DL fe80:
5 DL fe80::7faf3d18:552d/64 <ovpn-heroG> no
6 DL fe80::98d6:44ff:fe8b:62c0/64 docker no
[admin@Ros] > ping 2404:6800:4001:80f::2003 interface=ether2
SEQ HOST SIZE TTL TIME STATUS
0 22 (Invalid argument)
1 22 (Invalid argument)
2 22 (Invalid argument)
3 22 (Invalid argument)
4 22 (Invalid argument)
5 22 (Invalid argument)
sent=6 received=0 packet-loss=100%
7.1rc3 - IPv6 Unable to Use
My Router RB850Gx4 cannot use ipv6 after upgrade from 6.48.4
1bff:fec8:c236/64 ether5 no 
3d18:552d/64 <ovpn-heroG> no 
Re: 7.1rc3 - IPv6 Unable to Use
Hello,
Try going into IPv6->settings and check disable IPv6, then click Apply, and then uncheck it again and click Apply again, and see if there is any change.
Try going into IPv6->settings and check disable IPv6, then click Apply, and then uncheck it again and click Apply again, and see if there is any change.
Re: 7.1rc3 - IPv6 Unable to Use
Same result. Unable to use.
Hello,
Try going into IPv6->settings and check disable IPv6, then click Apply, and then uncheck it again and click Apply again, and see if there is any change.
Code: Select all
[admin@Ros] > /ipv6/settings/print
disable-ipv6: yes
forward: yes
accept-redirects: yes-if-forwarding-disabled
accept-router-advertisements: yes-if-forwarding-disabled
max-neighbor-entries: 8192
[admin@1744a] > ping 2404:6800:4001:80f::2003 interface=ether2
SEQ HOST SIZE TTL TIME STATUS
0 invalid interface or local address
1 invalid interface or local address
sent=2 received=0 packet-loss=100%
[admin@Ros] > /ipv6/settings/set disable-ipv6=no
[admin@Ros] > /ipv6/settings/print
disable-ipv6: no
forward: yes
accept-redirects: yes-if-forwarding-disabled
accept-router-advertisements: yes-if-forwarding-disabled
max-neighbor-entries: 8192
[admin@Ros] > ping 2404:6800:4001:80f::2003 interface=ether2
SEQ HOST SIZE TTL TIME STATUS
0 22 (Invalid argument)
1 22 (Invalid argument)
2 22 (Invalid argument)
sent=3 received=0 packet-loss=100%
[admin@Ros] > /ipv6/address/print
Flags: D - DYNAMIC; G, L - LINK-LOCAL
Columns: ADDRESS, FROM-POOL, INTERFACE, ADVERTISE
# ADDRESS FROM-POOL INTERFACE ADVERTISE
0 G 2405:9800:b600:7d8a::/64 ipv6 ether2 no
1 DL fe80::2ec8:1bec:44c8:c232/64 pppoe-out1 no
2 DL fe80::7faf:141d:3d18:552d/64 <ovpn-heroG> no
3 DL fe80::98d6:44ff:fe8b:62c0/64 docker no
4 DL fe80::2ec8:1bff:fec8:c236/64 ether5 no
5 DL fe80::2ec8:1bff:fec8:c232/64 ether1 no
6 DL fe80::2ec8:1bff:fec8:c233/64 ether2 no
Last edited by ttaiw on Wed Sep 15, 2021 12:08 pm, edited 1 time in total.
Re: 7.1rc3 - IPv6 Unable to Use [SOLVED]
Check your IPv6 routes, especially if you see 2 default routes on your WAN interface, with me, every time that my PPPoE connection restarts, I get a weird default route without a link-local address as nexthop the valid one should have a fe80:... as a nexthop/gateway not your interface, check if you see this as well.
like below:
like below:
Code: Select all
> ipv6/route/print
Flags: D - dynamic; X - disabled, I - inactive, A - active;
c - connect, s - static, r - rip, b - bgp, o - ospf, d - dhcp, v - vpn, m - mode>
H - hw-offloaded; + - ecmp
# DST-ADDRESS GATEWAY DISTANCE
DAv + ::/0 PPPoEv6 1
DAd + ::/0 fe80::5a00:bbff:fe0b:... 1
Re: 7.1rc3 - IPv6 Unable to Use
It worked.. need to disable "add-default-route" in DHCPv6 Client. Thank you very much
Code: Select all
[admin@Ros] /ipv6> export
# sep/15/2021 16:10:20 by RouterOS 7.1rc3
# software id =
#
# model = RB450Gx4
# serial number =
/ipv6 address
add from-pool=IPv6 interface=ether2
/ipv6 dhcp-client
add add-default-route=yes interface=pppoe-out1 pool-name=IPv6 request=prefix use-peer-dns=no
[admin@Ros] /ipv6> route/print
Flags: D - DYNAMIC; A - ACTIVE; c, d, v, y - COPY; + - ECMP
Columns: DST-ADDRESS, GATEWAY, DISTANCE
DST-ADDRESS GATEWAY DISTANCE
DAd+ ::/0 fe80::200:5eff:fe00:103%pppoe-out1 1
DAv+ ::/0 pppoe-out1 1
DAc 2405:9800:b600:3531::/64 ether2 0
D d 2405:9800:b600:3531::/64 1
[admin@Ros] /ipv6> ping 2404:6800:4001:807::2003
bad command name ping (line 1 column 1)
[admin@Ros] /ipv6> /ping 2404:6800:4001:807::2003
SEQ HOST SIZE TTL TIME STATUS
0 22 (Invalid argument)
1 22 (Invalid argument)
2 22 (Invalid argument)
sent=3 received=0 packet-loss=100%
[admin@Ros] /ipv6> dhcp-client/set add-default-route=no numbers=0
[admin@Ros] /ipv6> export
# sep/15/2021 16:11:27 by RouterOS 7.1rc3
# software id = -DATM
#
# model = RB450Gx4
# serial number =
/ipv6 address
add from-pool=IPv6 interface=ether2
/ipv6 dhcp-client
add interface=pppoe-out1 pool-name=IPv6 request=prefix use-peer-dns=no
[admin@Ros] /ipv6> /ping 2404:6800:4001:807::2003
SEQ HOST SIZE TTL TIME STATUS
0 2404:6800:4001:807::2003 56 114 39ms100us echo reply
1 2404:6800:4001:807::2003 56 114 39ms19us echo reply
2 2404:6800:4001:807::2003 56 114 37ms531us echo reply
sent=3 received=3 packet-loss=0% min-rtt=37ms531us avg-rtt=38ms550us max-rtt=39ms100us
[admin@Ros] /ipv6> route/print
Flags: D - DYNAMIC; A - ACTIVE; c, d, v, y - COPY
Columns: DST-ADDRESS, GATEWAY, DISTANCE
DST-ADDRESS GATEWAY DISTANCE
DAv ::/0 pppoe-out1 1
DAc 2405:9800:b600:3531::/64 ether2 0
D d 2405:9800:b600:3531::/64 1
[admin@Ros] /ipv6>
Check your IPv6 routes, especially if you see 2 default routes on your WAN interface, with me, every time that my PPPoE connection restarts, I get a weird default route without a link-local address as nexthop the valid one should have a fe80:... as a nexthop/gateway not your interface, check if you see this as well.
like below:Code: Select all> ipv6/route/print Flags: D - dynamic; X - disabled, I - inactive, A - active; c - connect, s - static, r - rip, b - bgp, o - ospf, d - dhcp, v - vpn, m - mode> H - hw-offloaded; + - ecmp # DST-ADDRESS GATEWAY DISTANCE DAv + ::/0 PPPoEv6 1 DAd + ::/0 fe80::5a00:bbff:fe0b:... 1
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