GodSharp wrote:
>
> Hi Guys,
>
> Just wondering for some reason when I switched providers(DSL) IP aliasing
> stopped working. And, I am not sure what kind of modem this is, the previous
> one had some Ethernet ports at the back(it has a bult-in 4 port switch) the
> new doesn't have one, only a single Ethernet port and It is directly
> connected to my Linux box.
>
> My provider gave me a /24 subnet and 9 useable IP's.
>
> # ip a s eth2
> 6: eth2: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
> link/ether 00:08:a1:72:c1:f5 brd ff:ff:ff:ff:ff:ff
> inet xxx.xxx.xxx.50/24 brd xxx.xxx.xxx.255 scope global eth2
> inet xxx.xxx.xxx.51/24 brd xxx.xxx.xxx.255 scope global secondary eth2
> inet xxx.xxx.xxx.52/24 brd xxx.xxx.xxx.255 scope global secondary eth2
> inet xxx.xxx.xxx.53/24 brd xxx.xxx.xxx.255 scope global secondary eth2
> inet xxx.xxx.xxx.54/24 brd xxx.xxx.xxx.255 scope global secondary eth2
> inet xxx.xxx.xxx.55/24 brd xxx.xxx.xxx.255 scope global secondary eth2
> inet xxx.xxx.xxx.56/24 brd xxx.xxx.xxx.255 scope global secondary eth2
> inet xxx.xxx.xxx.57/24 brd xxx.xxx.xxx.255 scope global secondary eth2
> inet xxx.xxx.xxx.58/24 brd xxx.xxx.xxx.255 scope global secondary eth2
>
> -- settings --
> ip link set eth2 up
> ip addr flush dev eth2
> ip addr add xxx.xxx.xxx.50/24 brd xxx.xxx.xxx.255 dev eth2
> ip addr add xxx.xxx.xxx.51/24 brd xxx.xxx.xxx.255 dev eth2
> ip addr add xxx.xxx.xxx.52/24 brd xxx.xxx.xxx.255 dev eth2
> ip addr add xxx.xxx.xxx.53/24 brd xxx.xxx.xxx.255 dev eth2
> ip addr add xxx.xxx.xxx.54/24 brd xxx.xxx.xxx.255 dev eth2
> ip addr add xxx.xxx.xxx.55/24 brd xxx.xxx.xxx.255 dev eth2
> ip addr add xxx.xxx.xxx.56/24 brd xxx.xxx.xxx.255 dev eth2
> ip addr add xxx.xxx.xxx.57/24 brd xxx.xxx.xxx.255 dev eth2
> ip addr add xxx.xxx.xxx.58/24 brd xxx.xxx.xxx.255 dev eth2
> ip route add default via xxx.xxx.xxx.1
> --- end settings ---
>
> /proc/sys/net/ipv4/ip_forward is 1
> /proc/sys/net/ipv4/ip_dynaddr is 1
My brain refuses to engage this evening, but I think you mean rp_filter,
not ip_dynaddr.
--
buck
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