On 06/27/16 08:51, Sam Varshavchik wrote: > Not sure if this is known changed behavior in F24, but: > > For the longest time I had /etc/sysconfig/network-scripts/eno2 specify: > > TYPE=Ethernet > BOOTPROTO=none > DEFROUTE=yes > IPV4_FAILURE_FATAL=no > IPV6INIT=yes > IPV6_AUTOCONF=yes > IPV6_DEFROUTE=yes > IPV6_FAILURE_FATAL=no > NAME=wan0 > UUID=71e6ac4b-c693-4c20-aa0d-e1a63b7373fe > ONBOOT=yes > IPADDR1=216.254.115.102 > PREFIX1=24 > IPADDR2=216.27.136.223 > PREFIX2=24 > HWADDR=0C:C4:7A:32:C1:83 > IPADDR=216.254.115.190 > GATEWAY=216.254.115.1 > PREFIX=24 > IPV6_PEERDNS=yes > IPV6_PEERROUTES=yes > > This host has three IP addresses, and up until now the default IP address for > outgoing > IP traffic was always 216.254.115.190, specified by IPADDR. > > It appears that, right now, all of my outbound traffic now appears to come > from one of > the other IP addresses, 216.254.115.102.
Maybe try reordering what is in your /etc/sysconfig/network-scripts/eno2 file?
Currently IPADDR=216.254.115.190 is last. Maybe move it, and associated
parameters, above
IPADDR1?
Just a shot in the dark....
>
> This is true even if the outgoing socket explicitly binds to 216.254.115.190:
>
> Sending mail to gmail, with an explicit bind(), strace shows:
>
> 13232 bind(5, {sa_family=AF_INET6, sin6_port=htons(0), inet_pton(AF_INET6,
> "::ffff:216.254.115.190", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, 28)
> = 0
> 13232 fcntl(5, F_SETFL, O_RDONLY|O_NONBLOCK) = 0
> 13232 getsockopt(5, SOL_SOCKET, SO_TYPE, [1], [4]) = 0
> 13232 connect(5, {sa_family=AF_INET6, sin6_port=htons(25), inet_pton(AF_INET6,
> "::ffff:173.194.206.26", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, 28)
> = -1
> EINPROGRESS (Operation now in progress)
> 13232 select(6, NULL, [5], NULL, {60, 0}) = 1 (out [5], left {59, 975901})
> 13232 getsockopt(5, SOL_SOCKET, SO_ERROR, [0], [4]) = 0
> 13232 getsockname(5, {sa_family=AF_INET6, sin6_port=htons(41394),
> inet_pton(AF_INET6,
> "::ffff:216.254.115.190", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0},
> [28]) = 0
> 13232 select(6, [5], [], NULL, {300, 0}) = 1 (in [5], left {299, 975360})
> 13232 read(5, "220 mx.google.com ESMTP 92si8123707qkx.29 - gsmtp\r\n", 512) =
> 51
>
> Gmail still shows 216.254.115.102 as the received-from IP address. I note that
> getsockname() insists that the socket is 216.254.115.190
>
> This host is using masquerading, with firewalld. I suspect that this is
> firewalld's doing.
>
> ip addr's output:
>
> 2: eno2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group
> default qlen
> 1000
> link/ether 0c:c4:7a:32:c1:83 brd ff:ff:ff:ff:ff:ff
> inet 216.27.136.223/24 brd 216.27.136.255 scope global eno2
> valid_lft forever preferred_lft forever
> inet 216.254.115.102/24 brd 216.254.115.255 scope global eno2
> valid_lft forever preferred_lft forever
> inet 216.254.115.190/24 brd 216.254.115.255 scope global secondary eno2
> valid_lft forever preferred_lft forever
> inet6 fe80::ec4:7aff:fe32:c183/64 scope link
> valid_lft forever preferred_lft forever
>
> Anyone knows what could be the reason for this, I'd like to have
> 216.254.115.190 as the
> default externally-visible IP address.
>
>
>
>
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--
You're Welcome Zachary Quinto
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