Is there anyone who can help? I have the same issue on my XiaoMi Mini router.
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on the router I can ping or traceroute ipv6 sites. But I can't traceroute ipv6 sites if I add the wrong '-s xxx' option. For example:
traceroute -6 2001:470:806d:1::10 [-s 240e:****:cf4c:7c00:6609:80ff:fe70:ed6] works, but
traceroute -6 2001:470:806d:1::10 -s 240e:****:cfe2:100::1 does not work.
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on my local PC, I can't ping through the default gateway 240e:****:cf4c:7c00:6609:80ff:fe70:ed6
- after I changed some configs in the router, I did get closer to the solution: I can ping through the default gateway, but I can't traceroute ipv6 sites. The traceroute seems to be able to move ahead by only one hop:
C:\WINDOWS\system32>tracert -6 2001:470:806d:1::10
Tracing route to 2001:470:806d:1::10 over a maximum of 30 hops
1 <1 ms <1 ms <1 ms 240e:****:cfe2:100::1
2 * * * Request timed out.
3 * * * Request timed out.
4 * * * Request timed out.
...
And I don't know which config that I have modified affected the result.
This issue occurs both on openwrt-18.06.5 and 19.07.3.
cat /etc/config/network
config interface 'loopback'
option ifname 'lo'
option proto 'static'
option ipaddr '127.0.0.1'
option netmask '255.0.0.0'
config globals 'globals'
option ula_prefix 'fdd0:5f55:5612::/48'
config interface 'lan'
option type 'bridge'
option ifname 'eth0.1'
option proto 'static'
option ipaddr '192.168.3.1'
option netmask '255.255.255.0'
config device 'lan_eth0_1_dev'
option name 'eth0.1'
option macaddr '66:09:80:**:0e:d6'
config interface 'wan'
option ifname 'eth0.2'
option proto 'dhcp'
config device 'wan_eth0_2_dev'
option name 'eth0.2'
option macaddr '64:09:80:**:0e:d6'
config interface 'wan6'
option ifname 'eth0.2'
option proto 'dhcpv6'
config switch
option name 'switch0'
option reset '1'
config switch_vlan
option device 'switch0'
option vlan '1'
option ports '6t 0 1 2 3'
option vid '1'
config switch_vlan
option device 'switch0'
option vlan '2'
option ports '6t 4'
option vid '2'
config route6 'default'
option interface 'eth0.2'
option target '::/0'
option gateway 'fe80::1'
cat /etc/config/dhcp
config dnsmasq
option domainneeded '1'
option boguspriv '1'
option filterwin2k '0'
option localise_queries '1'
option rebind_protection '1'
option rebind_localhost '1'
option local '/lan/'
option domain 'lan'
option expandhosts '1'
option nonegcache '0'
option authoritative '1'
option readethers '1'
option leasefile '/tmp/dhcp.leases'
option resolvfile '/tmp/resolv.conf.auto'
option nonwildcard '1'
option localservice '1'
config dhcp 'lan'
option interface 'lan'
option start '100'
option limit '150'
option leasetime '12h'
option dhcpv6 'server'
option ra 'server'
config dhcp 'wan'
option interface 'wan'
option ignore '1'
config odhcpd 'odhcpd'
option maindhcp '0'
option leasefile '/tmp/hosts/odhcpd'
option leasetrigger '/usr/sbin/odhcpd-update'
option loglevel '4'
ip -6 r
default from 240e:****:cf4c:7c00:6609:80ff:fe70:ed6 via fe80::1 dev eth0.2 metric 640
240e:****:cfe2:100::/64 dev eth0.2 metric 256
unreachable fdd0:5f55:5612::/48 dev lo metric 2147483647 error -148
fe80::/64 dev eth0 metric 256
fe80::/64 dev eth0.2 metric 256
fe80::/64 dev br-lan metric 256
default via fe80::1 dev eth0.2 metric 1024
anycast 240e:****:cfe2:100:: dev eth0.2 metric 0
anycast fe80:: dev eth0.2 metric 0
anycast fe80:: dev eth0 metric 0
anycast fe80:: dev br-lan metric 0
ff00::/8 dev eth0 metric 256
ff00::/8 dev eth0.2 metric 256
ff00::/8 dev br-lan metric 256
ip a
root@OpenWrt:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN qlen 1000
link/ether 64:09:80:70:0e:d6 brd ff:ff:ff:ff:ff:ff
inet6 fe80::6609:80ff:fe70:ed6/64 scope link
valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 64:09:80:70:0e:d8 brd ff:ff:ff:ff:ff:ff
4: wlan1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 64:09:80:70:0e:d7 brd ff:ff:ff:ff:ff:ff
11: br-lan: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
link/ether 66:09:80:70:0e:d6 brd ff:ff:ff:ff:ff:ff
inet 192.168.3.1/24 brd 192.168.3.255 scope global br-lan
valid_lft forever preferred_lft forever
inet6 fe80::6409:80ff:fe70:ed6/64 scope link
valid_lft forever preferred_lft forever
12: eth0.1@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br-lan state UP qlen 1000
link/ether 66:09:80:70:0e:d6 brd ff:ff:ff:ff:ff:ff
13: eth0.2@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
link/ether 64:09:80:70:0e:d6 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.2/24 brd 192.168.1.255 scope global eth0.2
valid_lft forever preferred_lft forever
inet6 240e:****:cf4c:7c00:6609:80ff:fe70:ed6/128 scope global dynamic
valid_lft 2589187sec preferred_lft 601987sec
inet6 240e:****:cfe2:100::1/64 scope global
valid_lft forever preferred_lft forever
inet6 fe80::6609:80ff:fe70:ed6/64 scope link
valid_lft forever preferred_lft forever
on my PC, ipconfig
Ethernet adapter Ethernet:
Connection-specific DNS Suffix . : lan
IPv6 Address. . . . . . . . . . . : fdd0:5f55:5612::312
Link-local IPv6 Address . . . . . : fe80::cdeb:ff3e:aaa9:11d1%46
IPv4 Address. . . . . . . . . . . : 192.168.3.171
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 240e:****:cf4c:7c00:6609:80ff:fe70:ed6
192.168.3.1
network topology:
