Typo (remove trailing double-quote):
--
sed -i 's/^ENABLED=.*$/ENABLED=0/' 
/etc/arno-iptables-firewall/plugins/outbound-snat.conf
--

Lonnie


> On Mar 17, 2021, at 9:48 AM, Lonnie Abelbeck <li...@lonnie.abelbeck.com> 
> wrote:
> 
> Hi Michael,
> 
> When you say you have SNAT configured, are you using the nat-loopback plugin 
> or the outbound-snat plugin ?
> 
> Either of those require obtaining the WAN IPv4 address to attach iptables "-j 
> SNAT --to-source $ip" rules, and as written only look at the primary external 
> address.  Even if the Failover interface was looked at, the firewall would 
> have to be rebuilt for the failover context switch with the 
> /mnt/kd/wan-failover.script .
> 
> Question, does either of these plugins make sense for a failover situation ?
> 
> Possibly you want to disable the outbound-snat plugin on failover and 
> re-enable it on return to primary ?
> 
> If you have the special case of the outbound-snat plugin enabled, you could 
> (untested code):
> 
> -- /mnt/kd/wan-failover.script snippet --
> 
> SECONDARY)
>  ## Switched to Failover using secondary WAN link
> 
>  ## Disable outbound-snat plugin
>  iptables -t nat -D POSTROUTING -j OUTBOUND_SNAT
>  ;;
> 
> PRIMARY)
>  ## Switched back to normal using primary WAN link
> 
>  ## Re-Enable outbound-snat plugin
>  iptables -t nat -I POSTROUTING -j OUTBOUND_SNAT
>  ;;
> 
> --
> but this is somewhat fragile, such that if the firewall was restarted during 
> failover it would revert to the PRIMARY setting.  To be less fragile, you 
> could also add:
> --
> sed -i 's/^ENABLED=.*$/ENABLED=0/' 
> /etc/arno-iptables-firewall/plugins/outbound-snat.conf"
> --
> and ENABLED=1 on return to PRIMARY.
> 
> 
> Lonnie
> 
> 
> 
>> On Mar 17, 2021, at 1:16 AM, Michael Knill 
>> <michael.kn...@ipcsolutions.com.au> wrote:
>> 
>> Grr problem now found. I had SNAT configured which didn't work on the second 
>> WAN connection.
>> Any way I can fix this e.g. don't do SNAT on the failover WAN?
>> 
>> Regards
>> Michael Knill
>> 
>> From: Michael Knill <michael.kn...@ipcsolutions.com.au>
>> Reply to: AstLinux List <astlinux-users@lists.sourceforge.net>
>> Date: Wednesday, 17 March 2021 at 4:27 pm
>> To: AstLinux List <astlinux-users@lists.sourceforge.net>
>> Subject: [Astlinux-users] Weird routing problem
>> 
>> Hi Group
>> 
>> I'm currently at a site that has a primary and failover WAN connection and a 
>> two LAN connections. The primary WAN connection has failed over to the 
>> secondary WAN connection however it is only working on one of the LAN 
>> interfaces and not the other. I can ping the interface address fine so its 
>> not an interface problem.
>> 
>> Does anyone have any idea why this would be happenning?
>> 
>> Regards
>> Michael Knill
>> _______________________________________________
>> Astlinux-users mailing list
>> Astlinux-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/astlinux-users
>> 
>> Donations to support AstLinux are graciously accepted via PayPal to 
>> pay...@krisk.org.
> 
> 
> 
> _______________________________________________
> Astlinux-users mailing list
> Astlinux-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/astlinux-users
> 
> Donations to support AstLinux are graciously accepted via PayPal to 
> pay...@krisk.org.
> 
> 



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