How to make a layer 2 channel between two routing ports?

Question

Cisco

Between several Cisco 7606 (c7600rsp72043-advipservicesk9-mz.122-33.SRE5.bin) we make channels like this: But within the same router Are there any well-known methods?

interface GigabitEthernet1/2.350
description ...
encapsulation dot1Q 350
xconnect 10.0.1.1 350 encapsulation mpls
mtu 1500
end

%Local switching to peer address is not supported

Answer 1

Make them switchable (Switchport) and create a Vlan, if necessary, add different tags to add vlan mapping
The functionality of the Sub Interfaces is not lost from this

Answer 2

Layer 2 Local Switching:
connect connection-name {interface} {interface}