|
Command or Action |
Purpose |
Step 1 |
enable
Example:
|
Enables privileged EXEC mode.
- Enter your password if prompted.
|
Step 2 |
configure terminal
Example:
Router# configure terminal
|
Enters global configuration mode. |
Step 3 |
interface loopback interface-number
Example:
Router(config)# interface loopback 1
|
Enables the loopback interface and enters interface configuration mode. |
Step 4 |
ip address ip-address mask [secondary]
Example:
Router(config)# ip address 10.1.1.1 255.255.255.255
|
Specifies the IP address and subnet mask for this loopback interface. |
Step 5 |
mls cemoudp reserve slot slot-number
Example:
Router(config-if)# mls cemoudp reserve slot 1
|
Reserves a loopback interface used as source for the CESoPSN circuit for a particular line card.
- Slot number refers to the module number of the line card where the CEoP SPA resides.
|
Step 6 |
pseudowire-class pseudowire-class-name
Example:
Router(config-if)# psuedowire-class PS1
|
Creates a new pseudowire class and enters pseudowire-class configuration mode. |
Step 7 |
encapsulation udp
Example:
Router(config-pw-class)# encapsulation udp
|
Specifies the UDP transport protocol. |
Step 8 |
ip local interface loopback interface-number
Example:
Router(config-pw-class)# ip local interface loopback 1
|
Configures the IP address of the provider edge (PE) router interface as the source IP address for sending tunneled packets. |
Step 9 |
ip tos value number
Example:
Router(config-pw-router)# ip tos value 23
|
Specifies the type of service (ToS) level for IP traffic in the pseudowire. |
Step 10 |
ip ttl number
Example:
Router(config-pw-class)# ip ttl 32
|
Specifies a value for the time-to-live (TTL) byte in the IP headers of Layer 2 tunneled packets. |
Step 11 |
exit
Example:
Router(config-pw-class)# exit
|
Exits pseudowire-class configuration mode. |
Step 12 |
controller {e1 | t1} slot / subslot / port
Example:
Router(config)# controller ethernet 2/0/0
|
Enters E1/T1 controller configuration mode. |
Step 13 |
clock source {internal | line | loop}
Example:
Router(config-controller)# clock source internal
|
Enters controller configuration mode and sets the clock source on the interface to:
- Internal–The system clock selection process does not select clock source as the interface but it uses the system clock for TX.
- Line–The system clock selection process selects the clock source line as the interface and uses the system clock for TX.
- Loop–The system clock selection process selects the clock source line as the interface. For TX clock the interface uses the clock source received on the same interface.
Note |
By default, the clock source on the interface is set to internal. |
|
Step 14 |
cem-group number timeslots number
Example:
Router(config-controller)# cem-group 5 timeslots 12
|
Assigns channels on the T1/E1 circuit to the circuit emulation (CEM) channel. |
Step 15 |
exit
Example:
Router(config-controller)# exit
|
Exits controller configuration. |
Step 16 |
interface cem slot / subslot / port
Example:
Router(config)# interface cem 2/0/0
|
Selects the CEM interface where the CEM circuit (group) is located (where slot/subslot is the SPA slot and subslot and port is the SPA port where the interface exists) and enters CEM interface mode. |
Step 17 |
cem group-number
Example:
Router(config-if-cem)# cem 5
|
Defines a CEM channel. |
Step 18 |
xconnect peer-router-id vcid pseudowire-class name
Example:
Router(config-if-cem)# xconnect 10.30.30.1 12 PS1
|
Binds an attachment circuit to the CEM interface to create a pseudowire. This example creates a pseudowire by binding the CEM circuit 5 to the remote peer 30.30.30.2.
Note |
When creating IP routes for a pseudowire configuration, we recommend that you build a route from the cross-connect address (LDP router-ID or loopback address) to the next hop IP address, such as ip route 10.30.30.2 255.255.255.255 1.2.3.4. |
|
Step 19 |
udp port local local-udp-port remote remote-udp-port
Example:
Router(config-if-cem)# udp port local 49154 remote 50201
|
Specifies a local and remote UDP port for the connection. |
Step 20 |
exit
Example:
Router(config-if-cem)# exit
|
Exits the CEM interface. |