On 5/20/2015 12:39 PM, PGNd wrote:
> With my current ISP I have a static allocation over DSL, setup as
>
>       'net
>        |
>       ISP's GW
>        |
>       ADSL bridge
>        |
>        | (staticIP}
>       Router/Firewall: shorewall
>
> I use a MultiISP config, that includes
>
>       /params
>               #NAME       #  MARK   DUP  INTC     GW      OPTS           COPY
>                ispStatic  1  0x100  main  EXT_IF  detect  track,balance  
> INT_IF
>               ...
>
> With this config, IIUC, the GW == 'detect' populates $SW_ETH0_GATEWAY with 
> the IP addr of "ISP GW".
>
> I'm switching ISP to ATT Uverse, where I'll have a Dynamic IP allocation
>
>       'net
>        |
>       ISP's GW
>        |
>        | (dynamic IP)
>       Uverse router
>        | (NAT'd DMZ IP == 192.168.4.XXX, "Static" )
>        |
>       Router/Firewall: shorewall
>
> 'detect' in the /params stanza as above won't get the ISP's GW any longer, 
> will it?
>
> What do I need to change that /params entry to in order to correctly grab 
> that ISP GW addr?
Usually nothing. If Shorewall isn't able to detect the gateway, then you
may have to use the 'findgw' extension script to dig it out of your DHCP
client's files in /var.

-Tom

-- 
Tom Eastep        \ When I die, I want to go like my Grandfather who
Shoreline,         \ died peacefully in his sleep. Not screaming like
Washington, USA     \ all of the passengers in his car
http://shorewall.net \________________________________________________


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