NetBSD-Bugs archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: kern/52554: IPv6 connections not routing to default gateway



On Tue, Sep 26, 2017 at 02:40:01AM +0000, Ryota Ozaki wrote:
> The following reply was made to PR kern/52554; it has been noted by GNATS.
> 
> From: Ryota Ozaki <ozaki-r%netbsd.org@localhost>
> To: rcbixler%nyx.net@localhost
> Cc: "gnats-bugs%NetBSD.org@localhost" <gnats-bugs%netbsd.org@localhost>, kern-bug-people%netbsd.org@localhost, 
> 	gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
> Subject: Re: kern/52554: IPv6 connections not routing to default gateway
> Date: Tue, 26 Sep 2017 11:34:49 +0900
>
>  Can you show me
>  - netstat -nr -f inet6
>  - ifconfig
>  on both NetBSD 7.1 and NetBSD 8?
>  
>  Thanks,
>    ozaki-r

Here you are.  Note that the default gateways are different -- this is
because of the "multiple default IPv6 routers with equal weights"
architecture.

NetBSD 7.1

wm0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        capabilities=2bf80<TSO4,IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx>
        capabilities=2bf80<TCP4CSUM_Tx,UDP4CSUM_Rx,UDP4CSUM_Tx,TCP6CSUM_Tx>
        capabilities=2bf80<UDP6CSUM_Tx>
        enabled=0
        ec_capabilities=7<VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU>
        ec_enabled=0
        address: 52:54:00:12:34:57
        media: Ethernet autoselect (1000baseT full-duplex)
        status: active
        inet 10.217.128.49 netmask 0xfffff800 broadcast 10.217.135.255
        inet6 fe80::5054:ff:fe12:3457%wm0 prefixlen 64 scopeid 0x1
        inet6 2620:105:c000:3:9ae2:df9b:70eb:1894 prefixlen 64
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33648
        inet 127.0.0.1 netmask 0xff000000
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2

Routing tables

Internet6:
Destination                        Gateway                        Flags    Refs      Use    Mtu Interface
::/104                             ::1                            UGRS        -        -      -  lo0
::/96                              ::1                            UGRS        -        -      -  lo0
default                            fe80::ec4:7aff:feda:2df3       UGS         -        -      -  wm0
::1                                ::1                            UH          -        -  33648  lo0
::127.0.0.0/104                    ::1                            UGRS        -        -      -  lo0
::224.0.0.0/100                    ::1                            UGRS        -        -      -  lo0
::255.0.0.0/104                    ::1                            UGRS        -        -      -  lo0
::ffff:0.0.0.0/96                  ::1                            UGRS        -        -      -  lo0
2001:db8::/32                      ::1                            UGRS        -        -      -  lo0
2002::/24                          ::1                            UGRS        -        -      -  lo0
2002:7f00::/24                     ::1                            UGRS        -        -      -  lo0
2002:e000::/20                     ::1                            UGRS        -        -      -  lo0
2002:ff00::/24                     ::1                            UGRS        -        -      -  lo0
2620:105:c000:3::/64               link#1                         UC          -        -      -  wm0
2620:105:c000:3:9ae2:df9b:70eb:1894 52:54:00:12:34:57              UHL         -        -      -  lo0
fe80::/10                          ::1                            UGRS        -        -      -  lo0
fe80::%wm0/64                      link#1                         UC          -        -      -  wm0
fe80::ec4:7aff:feda:2d5b           link#1                         UHLc        -        -      -  wm0
fe80::ec4:7aff:feda:2df3           0c:c4:7a:da:2d:f3              UHLc        -        -      -  wm0
fe80::ec4:7aff:feda:2e47           link#1                         UHLc        -        -      -  wm0
fe80::5054:ff:fe12:3457            52:54:00:12:34:57              UHL         -        -      -  lo0
fe80::%lo0/64                      fe80::1                        U           -        -      -  lo0
fe80::1                            link#2                         UHL         -        -      -  lo0
ff01:1::/32                        link#1                         UC          -        -      -  wm0
ff01:2::/32                        ::1                            UC          -        -      -  lo0
ff02::%wm0/32                      link#1                         UC          -        -      -  wm0
ff02::%lo0/32                      ::1                            UC          -        -      -  lo0

NetBSD 8_BETA (GENERIC.201709141550Z)

lo0: flags=0x8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33624
        inet 127.0.0.1/8 flags 0x0
        inet6 ::1/128 flags 0x20<NODAD>
        inet6 fe80::1%lo0/64 flags 0x0 scopeid 0x1
wm0: flags=0x8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        capabilities=2bf80<TSO4,IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx>
        capabilities=2bf80<TCP4CSUM_Tx,UDP4CSUM_Rx,UDP4CSUM_Tx,TCP6CSUM_Tx>
        capabilities=2bf80<UDP6CSUM_Tx>
        enabled=0
        ec_capabilities=7<VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU>
        ec_enabled=0
        address: 52:54:00:12:34:57
        media: Ethernet autoselect (1000baseT full-duplex)
        status: active
        inet 10.217.128.44/21 broadcast 10.217.135.255 flags 0x0
        inet6 fe80::5054:ff:fe12:3457%wm0/64 flags 0x0 scopeid 0x2
        inet6 2620:105:c000:3:58a4:a8c:71ce:44f9/64 flags 0x0

Routing tables

Internet6:
Destination                             Gateway                        Flags    Refs      Use    Mtu Interface
::/104                                  ::1                            UGRS        -        -  33624  lo0
::/96                                   ::1                            UGRS        -        -  33624  lo0
default                                 fe80::ec4:7aff:feda:2e47       UGS         -        -      -  wm0
::1                                     lo0                            UHl         -        -  33624  lo0
::127.0.0.0/104                         ::1                            UGRS        -        -  33624  lo0
::224.0.0.0/100                         ::1                            UGRS        -        -  33624  lo0
::255.0.0.0/104                         ::1                            UGRS        -        -  33624  lo0
::ffff:0.0.0.0/96                       ::1                            UGRS        -        -  33624  lo0
2001:db8::/32                           ::1                            UGRS        -        -  33624  lo0
2002::/24                               ::1                            UGRS        -        -  33624  lo0
2002:7f00::/24                          ::1                            UGRS        -        -  33624  lo0
2002:e000::/20                          ::1                            UGRS        -        -  33624  lo0
2002:ff00::/24                          ::1                            UGRS        -        -  33624  lo0
2620:105:c000:3::/64                    link#2                         UC          -        -      -  wm0
2620:105:c000:3:58a4:a8c:71ce:44f9      link#2                         UHl         -        -      -  lo0
fe80::/10                               ::1                            UGRS        -        -  33624  lo0
fe80::%lo0/64                           fe80::1                        U           -        -      -  lo0
fe80::1                                 lo0                            UHl         -        -      -  lo0
fe80::%wm0/64                           link#2                         UC          -        -      -  wm0
fe80::5054:ff:fe12:3457                 link#2                         UHl         -        -      -  lo0
ff01:1::/32                             ::1                            UC          -        -  33624  lo0
ff01:2::/32                             link#2                         UC          -        -      -  wm0
ff02::%lo0/32                           ::1                            UC          -        -  33624  lo0
ff02::%wm0/32                           link#2                         UC          -        -      -  wm0
fe80::ec4:7aff:feda:2e47                0c:c4:7a:da:2e:47              UHL         -        -      -  wm0


-- 
Roy Bixler <rcbixler%nyx.net@localhost>
"The fundamental principle of science, the definition almost, is this: the
sole test of the validity of any idea is experiment."
-- Richard P. Feynman



Home | Main Index | Thread Index | Old Index