OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
    0%
  • Task Type Bug Report
  • Category Base system
  • Assigned To No-one
  • Operating System All
  • Severity Low
  • Priority Very Low
  • Reported Version openwrt-18.06
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by ashway83 - 29.08.2019

FS#2474 - ping: When IPv6-in-IPv4 tunnel interface is specified as a source, link local IPv6 address is used

Environment: OpenWrt 18.06.4 r7808-ef686b7292 / LuCI openwrt-18.06 branch (git-19.170.32094-4d6d8bc)

Description:

When IPv6-in-IPv4 tunnel interface is specified as a source interface, link local IPv6 address is used instead of a public IPv6 address.

root@OpenWRT:~# ifconfig
6in4-wan6 Link encap:IPv6-in-IPv4
          inet6 addr: fe80::xxxx:xxxx/64 Scope:Link
          inet6 addr: 2001:xxx:xx:xxx::2/64 Scope:Global
          UP POINTOPOINT RUNNING NOARP  MTU:1280  Metric:1
          RX packets:2551 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3885 errors:0 dropped:689 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
                  RX bytes:217476 (212.3 KiB)  TX bytes:525551 (513.2 KiB)

ICMP request are sent with a link local address set as a source:

root@OpenWRT:~# ping -I 6in4-wan6 -c 3 2001:4860:4860::8888
PING 2001:4860:4860::8888 (2001:4860:4860::8888): 56 data bytes

--- 2001:4860:4860::8888 ping statistics ---
3 packets transmitted, 0 packets received, 100% packet loss

Expected behavior (public IPv6 address is used as a source address):

root@OpenWRT:~# ping -I 2001:xxx:xx:xxx::2 -c 3 2001:4860:4860::8888
PING 2001:4860:4860::8888 (2001:4860:4860::8888) from 2001:470:70:46b::2: 56 data bytes
64 bytes from 2001:4860:4860::8888: seq=0 ttl=58 time=15.708 ms
64 bytes from 2001:4860:4860::8888: seq=1 ttl=58 time=17.387 ms
64 bytes from 2001:4860:4860::8888: seq=2 ttl=58 time=15.723 ms

--- 2001:4860:4860::8888 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 15.708/16.272/17.387 ms

Loading...

Available keyboard shortcuts

Tasklist

Task Details

Task Editing