> Warning: Passthrough is not supported by all chipsets.
But chipsets are not specified. The product home page https://mikrotik.com/product/sxt_lte6_k ... ifications does not tell if this feature is available or not.
I have tried to do LTE passthrough with SXT LTE6 with a VLAN interface, but I couldn't.
This is what I did:
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/interface bridge vlan
add bridge=BR1 tagged=BR1,ether1-trunk vlan-ids=100 comment="LTE"
/interface vlan
add interface=BR1 name=LTE_VLAN vlan-id=100
/interface lte apn
set 0 apn=net passthrough-interface=LTE_VLAN passthrough-mac=B8:69:F4:09:BE:F5
/interface lte
set 0 pin=1234
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[admin@lte] /interface vlan> print detail
Flags: X - disabled, R - running
0 R name="BASE_VLAN" mtu=1500 l2mtu=1594 mac-address=2C:C8:1B:79:49:1F arp=enabled arp-timeout=auto loop-protect=default
loop-protect-status=off loop-protect-send-interval=5s loop-protect-disable-time=5m vlan-id=99 interface=BR1
use-service-tag=no
1 R name="LTE_VLAN" mtu=1500 l2mtu=1594 mac-address=2C:C8:1B:79:49:1F arp=enabled arp-timeout=auto loop-protect=default
loop-protect-status=off loop-protect-send-interval=5s loop-protect-disable-time=5m vlan-id=100 interface=BR1
use-service-tag=no
Nevertheless, the public IP is assigned to it:
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[admin@lte] /ip address> print detail
Flags: X - disabled, I - invalid, D - dynamic
0 address=192.168.14.251/24 network=192.168.14.0 interface=BASE_VLAN actual-interface=BASE_VLAN
1 D address=5.204.180.93/30 network=5.204.180.92 interface=LTE_VLAN actual-interface=LTE_VLAN
> In this configuration the router will not get IP configuration from the modem.
But it does. So maybe passthrough mode is not supported by this device?