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  • About Tilbard

Re: Routing internal SMTP traffic out a specific public IP address on an MX...

by in Security / SD-WAN
‎12-11-2017 08:19 AM
‎12-11-2017 08:19 AM
Doesn't work. Just tested using port 80/443 and did a public IP lookup. Lookup reported the WAN IP address assigned to the WAN1 interface, not the NAT'd IP address unfortunately.   ... View more

Re: Routing internal SMTP traffic out a specific public IP address on an MX...

by in Security / SD-WAN
‎12-11-2017 08:08 AM
‎12-11-2017 08:08 AM
Won't that just route INCOMING traffic on that IP address to the NAT'd internal address? I want to make traffic going from the internal address go out a specific Public IP address. For the record, I already have that rule.   So in my example above, the MX100's WAN1 port is assigned the IP address 8.8.8.1. Left alone, all SMTP traffic from 192.168.0.100 will go out via that IP address. But I want all outgoing SMTP traffic from 192.168.0.100 to go out via 8.8.8.4 instead of 8.8.8.1 ... View more

Re: Routing internal SMTP traffic out a specific public IP address on an MX...

by in Security / SD-WAN
‎12-11-2017 07:15 AM
‎12-11-2017 07:15 AM
This works for routing outgoing internal traffic? Presumably I just do the exact opposite of a normal External to Internal 1:Many NAT rule?   So assuming my internal network is 192.168.0.1/24, and external is 8.8.8.0/24, and I want all SMTP traffic from 192.168.0.100 to go out 8.8.8.4, I'd create a rule as follows: Public IP: 192.168.0.100 Protocol TCP Public port: 25 LAN IP: 8.8.8.4 Local Port: 25 Allowed remote IPs: any   Is that what you're saying? ... View more

Routing internal SMTP traffic out a specific public IP address on an MX100

by in Security / SD-WAN
‎12-08-2017 08:27 AM
‎12-08-2017 08:27 AM
We have a /28 public IP range, and a backup /32 connection on a separate ISP. The first IP in the /28 range is assigned to our MX100. Is it possible to have SMTP traffic (TCP25) from a handful of internal IP addresses go out via a specific different IP address in the /28 range? I found that you can use a Flow Rule to force port 25 from those IPs to go out via the correct ISP, but it doesn't seem to allow you to force it to a specific IP address on that network.   In the SonicWALL world that we're moving from, we just made a LAN to WAN NAT rule that accomplished this for a specific port, or a route for all traffic from a specific IP, but I can't seem to figure out the proper way to do it in the Meraki world. ... View more
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