em 09-21-2022 04:52 AM
i have an isr with a build in LTE modem i can set up nat and it works
now i want to connect a second lte with an external modem and some devices should use one or the other connection
if i put the external modem in passthrough mode it sets up a default route and an ip address
i need to remove the "ip route 0.0.0.0 0.0.0.0 cell 0/2/0" and set up nat for it then it works
but the internal one obviously not any longer because i removed "ip route 0.0.0.0 0.0.0.0 cell 0/2/0"
if i dont remove it then the passthroug is NOT creating a default route and i cant use it
other option would be to use the external lte as a second router
so on the main router the c1111 i would have 2 default routes 1 the build in lte modem wich needs to be NATed
and the external one where the nat would be handled by second router
how can i setup something like this?
please some help here
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em 09-21-2022 04:27 PM
check couple of examples :
https://www.cisco.com/c/en/us/support/docs/ip/ip-routed-protocols/47121-pbr-cmds-ce.html
em 09-21-2022 06:20 AM
You can have different Routes available with different subnet with NAT - you can use PBR send traffic to different destination - if i understand your requirement correctly.
em 09-21-2022 01:30 PM
lets say i have
ip route 0.0.0.0 0.0.0.0 1.1.1.1
and a policy that any traffic from 10.10.10.10 should have 2.2.2.2 as next hop (2.2.2.2 is directly connected or i have a route to it)
would traffic from 10.10.10.10 to a destination to which i have no know route go to 2.2.2.2 or to 1.1.1.1
would all other traffic go through 1.1.1.1
cant test it now (looked my self out of my vpn for the x time
em 09-21-2022 04:27 PM
check couple of examples :
https://www.cisco.com/c/en/us/support/docs/ip/ip-routed-protocols/47121-pbr-cmds-ce.html
em 09-22-2022 12:38 PM
thank you
pbr works on my external second internet connection now
nat on the internal one havent tried it yet (not a priority in the moment) but i expect it to work to
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