[sr-dev] [SR-Users] Listen on eth alias interface

Olle E. Johansson oej at edvina.net
Thu Jun 5 09:24:31 CEST 2014


On 05 Jun 2014, at 08:45, Konstantin M. <evilzluk at gmail.com> wrote:

> I don't think it is a big problem.
The problem is mainly in the parser of the listen= configuration option I believe.

/O
> See my tests:
> root at milana:~# ip a l
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 scope host lo
> 2: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
>     link/ether 00:50:fc:98:d7:8b brd ff:ff:ff:ff:ff:ff
>     inet 192.168.254.254/24 brd 192.168.254.255 scope global eth1
>     inet 1.2.3.4/0 brd 255.255.255.255 scope global eth1:0
>     inet 1.2.3.5/0 brd 255.255.255.255 scope global secondary eth1:2
>     inet 1.2.3.6/0 brd 255.255.255.255 scope global secondary eth1:test
>     inet 1.2.3.7/0 brd 255.255.255.255 scope global secondary eth1:4:4
> 3: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
>     link/ether a0:00:00:05:dd:42 brd ff:ff:ff:ff:ff:ff
>     inet 10.10.1.201/20 brd 10.10.15.255 scope global eth2
> 
> 
> root at milana:~# gcc -g -Wall -o getifaddrs getifaddrs.c
> 
> root at milana:~# ./getifaddrs
> Interface Name   :  lo
> Address / Mask   :  127.0.0.1 / 255.0.0.0
> 
> Interface Name   :  eth1
> Address / Mask   :  192.168.254.254 / 255.255.255.0
> 
> Interface Name   :  eth1:0
> Address / Mask   :  1.2.3.4 / 0.0.0.0
> 
> Interface Name   :  eth1:2
> Address / Mask   :  1.2.3.5 / 0.0.0.0
> 
> Interface Name   :  eth1:test
> Address / Mask   :  1.2.3.6 / 0.0.0.0
> 
> Interface Name   :  eth1:4:4
> Address / Mask   :  1.2.3.7 / 0.0.0.0
> 
> Interface Name   :  eth2
> Address / Mask   :  10.10.1.201 / 255.255.240.0
> 
> 
> Test code attached.
> 
> 
> 
> 
> 2014-06-05 9:31 GMT+04:00 Olle E. Johansson <oej at edvina.net>:
> 
> On 04 Jun 2014, at 22:38, Alex Balashov <abalashov at evaristesys.com> wrote:
> 
> > On 06/04/2014 04:37 PM, Olle E. Johansson wrote:
> >>
> >> On 04 Jun 2014, at 22:35, Alex Balashov <abalashov at evaristesys.com> wrote:
> >>
> >>> Hello Olle,
> >>>
> >>> Couldn't you get around this by just specifying the IP address of the interface? e.g.
> >>>
> >>>   listen=udp:xxx.xxx.xxx.xxx:5060
> >> Not in this configuration, but with some tweaking I may. But it would simplify
> >> a lot if I just could point to the interface.
> >
> > I run into this problem a lot, too, with eth0:x subinterfaces. But specifying the address is the only way I know of to solve it at present.
> 
> I guess it's about time to file a bug report :-)
> 
> /O
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