Conceptually, local switching is just local bridging. You are passively connecting two interfaces together the same way you would connect two devices to a switch in the same VLAN.
IOS17
interface GigabitEthernet0/1
ip address 10.100.1.17 255.255.255.0
CSR8
interface GigabitEthernet4
ip address 10.100.1.8 255.255.255.0
CSR1
connect LOCAL GigabitEthernet3 GigabitEthernet5
CSR1#show connection
ID Name Segment 1 Segment 2 State
================================================================================
2 LOCAL Gi3 Gi5 UP
Once the configuration is in place on CSR1, CSR8 and IOS17 should be able to ping/communicate with each other.
CSR8#ping 10.100.1.17
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.100.1.17, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 10/12/15 ms
IOS17#sh arp
Protocol Address Age (min) Hardware Addr Type Interface
Internet 10.100.1.8 1 5000.0008.0003 ARPA GigabitEthernet0/1
Internet 10.100.1.17 - 5000.0011.0001 ARPA GigabitEthernet0/1
The ping from CSR8 to IOS17 is successful.
IOS17
interface GigabitEthernet0/1
ip address 10.100.1.17 255.255.255.0
CSR8
interface GigabitEthernet4
ip address 10.100.1.8 255.255.255.0
CSR1
connect LOCAL GigabitEthernet3 GigabitEthernet5
CSR1#show connection
ID Name Segment 1 Segment 2 State
================================================================================
2 LOCAL Gi3 Gi5 UP
Once the configuration is in place on CSR1, CSR8 and IOS17 should be able to ping/communicate with each other.
CSR8#ping 10.100.1.17
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.100.1.17, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 10/12/15 ms
IOS17#sh arp
Protocol Address Age (min) Hardware Addr Type Interface
Internet 10.100.1.8 1 5000.0008.0003 ARPA GigabitEthernet0/1
Internet 10.100.1.17 - 5000.0011.0001 ARPA GigabitEthernet0/1
The ping from CSR8 to IOS17 is successful.