#18390: M flag still appears in RA when DHCPv6 service disabled
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Reporter: nivex@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: base system | Version: Barrier Breaker 14.07
Keywords: ipv6 dhcpv6 odhcpd |
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Steps to reproduce:
1) Log in to web interface
2) Go to Network -> Interfaces
3) Edit LAN
4) Select IPv6 Settings under DHCPv6 Server
5) Set DHCPv6 Service to disabled
6) Save & Apply
7) Restart odhcpd via the SSH interface (this should not be required but
is the subject of another bug report)
Expected result:
Router advertisement will no longer bear the M (Stateful address
configuration) flag
Actual result:
Router advertisement bears the M flag, causing some clients to configure
the last seen stateful address from another network.
{{{
kjotte@daedalus:~$ rdisc6 eth0
Soliciting ff02::2 (ff02::2) on eth0...
Hop limit : undefined ( 0x00)
Stateful address conf. : Yes
Stateful other conf. : No
Router preference : medium
Router lifetime : 1800 (0x00000708) seconds
Reachable time : unspecified (0x00000000)
Retransmit time : unspecified (0x00000000)
Source link-layer address: 02:26:F2:8C:5E:58
MTU : 1500 bytes (valid)
Prefix : 2606:a000:aa20:2200::/64
Valid time : 7200 (0x00001c20) seconds
Pref. time : 1800 (0x00000708) seconds
Route : 2606:a000:aa20:2200::/56
Route preference : medium
Route lifetime : 7200 (0x00001c20) seconds
Recursive DNS server : 2606:a000:aa20:2200::4
Recursive DNS server : 2001:470:8:64f::4
DNS servers lifetime : 1200 (0x000004b0) seconds
kjotte@daedalus:~$ ip -6 addr show dev eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
inet6 2600:3c03:e001:631::d6:c1c5/128 scope global
valid_lft forever preferred_lft forever
inet6 2606:a000:aa20:2200:387a:4c50:5aca:5b71/64 scope global
temporary dynamic
valid_lft 7174sec preferred_lft 1774sec
inet6 2606:a000:aa20:2200:f2de:f1ff:feb0:bd15/64 scope global dynamic
valid_lft 7174sec preferred_lft 1774sec
inet6 fe80::f2de:f1ff:feb0:bd15/64 scope link
valid_lft forever preferred_lft forever
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/18390>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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