Sorry I haven't subscribe to the group a my first send so juste resending it to 
be in touch :)

Jean-Philippe Maret 
Directeur des systèmes d'information 

Idep Multimedia 
26, Rue Bellcordière 
69002 Lyon 
Tel. : +33 (0) 826.100.122 
Fax : +33 (0) 437.499.768 


----- Mail transféré -----
De: "Jean-Philippe Maret" <[email protected]>
À: [email protected]
Envoyé: Mardi 25 Janvier 2011 13:27:13
Objet: Multiple Aliasses

Hi,

I've got a running shorewall with a lan on eth0 and 3 providers plus a vpn 
gateway.
Shorewall stats gracefully and traffic shapping works great.

On of my isp provide a /28 bloc wicj i'd like to use for DNAT purposes.
here's a view of this insterface :
ip addr show eth3
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc htb state UNKNOWN 
qlen 1000
    link/ether 00:1e:58:df:ea:ae brd ff:ff:ff:ff:ff:ff
    inet 92.103.57.66/28 brd 92.103.57.79 scope global eth3
    inet 92.103.57.67/28 brd 92.103.57.79 scope global secondary eth3:67
    inet 92.103.57.68/28 brd 92.103.57.79 scope global secondary eth3:68
    inet 92.103.57.69/28 brd 92.103.57.79 scope global secondary eth3:69
    inet 92.103.57.70/28 brd 92.103.57.79 scope global secondary eth3:70
    inet 92.103.57.71/28 brd 92.103.57.79 scope global secondary eth3:71
    inet 92.103.57.72/28 brd 92.103.57.79 scope global secondary eth3:72
    inet 92.103.57.73/28 brd 92.103.57.79 scope global secondary eth3:73
    inet 92.103.57.74/28 brd 92.103.57.79 scope global secondary eth3:74
    inet 92.103.57.75/28 brd 92.103.57.79 scope global secondary eth3:75
    inet 92.103.57.76/28 brd 92.103.57.79 scope global secondary eth3:76
    inet 92.103.57.77/28 brd 92.103.57.79 scope global secondary eth3:77
    inet 92.103.57.78/28 brd 92.103.57.79 scope global secondary eth3:78
    inet6 fe80::21e:58ff:fedf:eaae/64 scope link 
       valid_lft forever preferred_lft forever

My only problem is that for strange reason only eth3 and eth3:71 respond to 
ping or works with DNAT rules.

When shorewall is stopped all the range respond to ping.

here a view on ip route :
10.123.0.1 via 10.123.0.10 dev tun0 
10.123.0.10 dev tun0  proto kernel  scope link  src 10.123.0.9 
92.103.57.64/28 dev eth3  proto kernel  scope link  src 92.103.57.66 
192.168.1.0/24 dev eth2  proto kernel  scope link  src 192.168.1.100 
82.224.36.0/24 dev eth1  proto kernel  scope link  src 82.224.36.63 
10.71.2.0/24 dev eth0  proto kernel  scope link  src 10.71.2.2 
10.99.0.0/18 via 10.123.0.10 dev tun0 
10.75.0.0/18 via 10.123.0.10 dev tun0 
default via 92.103.57.65 dev eth3 
default via 192.168.1.1 dev eth2 
default via 82.224.36.254 dev eth1

Does anyone have an idea ?

Many thanks in advance.




Jean-Philippe Maret 
Directeur des systèmes d'information 

Idep Multimedia 
26, Rue Bellcordière 
69002 Lyon 
Tel. : +33 (0) 826.100.122 
Fax : +33 (0) 437.499.768 


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