Setup Components
The setup mainly consists of GNS3 integrated with VmWare workstation that runs CSR1000v
Basic Configuration
CSR1
interface
loopback0
ip
address 1.1.1.1 255.255.255.255
interface
GigabitEthernet1
no
shutdown
ip
address 192.168.12.1 255.255.255.0
mpls
ip
interface
GigabitEthernet2
no
ip address
mpls
label protocol ldp
mpls
ldp router-id loopback 0 force
router
ospf 1
router-id
1.1.1.1
network
1.1.1.1 0.0.0.0 area 0
network
192.168.12.1 0.0.0.0 area 0
CSR2
interface
loopback0
ip
address 3.3.3.3 255.255.255.255
interface
GigabitEthernet1
no
shutdown
ip
address 192.168.23.3 255.255.255.0
mpls
ip
interface
GigabitEthernet2
no
ip address
mpls
label protocol ldp
mpls
ldp router-id loopback 0 force
router
ospf 1
router-id
3.3.3.3
network
3.3.3.3 0.0.0.0 area 0
network
192.168.23.3 0.0.0.0 area 0
CE1
interface
FastEthernet1/1
switchport
trunk encapsulation dot1q
switchport
mode ttrunk
CE2
interface
FastEthernet1/1
switchport
trunk encapsulation dot1q
switchport
mode ttrunk
Xconnect Configuration
Under the sub-interface
CSR1
interface
GigabitEthernet2
no ip address
negotiation auto
interface
GigabitEthernet2.15
encapsulation dot1Q 15
xconnect 3.3.3.3 15 encapsulation mpls
CSR2
interface
GigabitEthernet2
no ip address
negotiation auto
interface
GigabitEthernet2.15
encapsulation dot1Q 15
xconnect 1.1.1.1 15 encapsulation mpls
CE1
vlan
15
interface
vlan 15
ip
address 192.168.15.3 255.255.255.0
CE2
vlan
15
interface
vlan 15
ip
address 192.168.15.4 255.255.255.0
Verification
CSR1#show
xconnect interface gigabitEthernet 2.15 detail
Legend: XC ST=Xconnect State S1=Segment1 State S2=Segment2 State
UP=Up
DN=Down AD=Admin
Down IA=Inactive
SB=Standby
HS=Hot Standby
RV=Recovering NH=No Hardware
XC
ST Segment 1 S1 Segment 2 S2
------+---------------------------------+--+---------------------------------+--
UP
pri ac Gi2.15:15(Eth VLAN) UP mpls 3.3.3.3:15 UP
Interworking: ethernet Local VC label 19
Remote VC label 19
CSR1#show
xconnect interface gigabitEthernet 2.15 event-trace
Legend: XC ST=Xconnect State S1=Segment1 State S2=Segment2 State
UP=Up
DN=Down AD=Admin
Down IA=Inactive
SB=Standby
HS=Hot Standby
RV=Recovering NH=No Hardware
XC
ST Segment 1 S1 Segment 2 S2
------+---------------------------------+--+---------------------------------+--
UP
pri ac Gi2.15:15(Eth VLAN) UP mpls 3.3.3.3:15 UP
CE1#ping
192.168.15.4 source vlan 15
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 192.168.15.4, timeout is 2 seconds:
Packet
sent with a source address of 192.168.15.3
!!!!!
Success
rate is 100 percent (5/5), round-trip min/avg/max = 28/49/104 ms
CSR1#sh
l2vpn atom vc vcid 15 detail
pseudowire100001
is up, VC status is up PW type: Ethernet
Create time: 01:53:07, last status change
time: 01:52:53
Last label FSM state change time: 01:52:49
Destination address: 3.3.3.3 VC ID: 15
Output interface: Gi1, imposed label stack
{17 19}
Preferred path: not configured
Default path: active
Next hop: 192.168.12.2
Member of xconnect service Gi2.15-15, group
right
Associated member Gi2.15 is up, status is
up
Interworking type is Ethernet
Service id: 0x6b000001
Signaling protocol: LDP, peer 3.3.3.3:0 up
Targeted Hello: 1.1.1.1(LDP Id) ->
3.3.3.3, LDP is UP
Graceful restart: not configured and not
enabled
Non stop routing: not configured and not enabled
PWid FEC (128), VC ID: 15
Status TLV support (local/remote) : enabled/supported
LDP route watch : enabled
Label/status state machine : established, LruRru
Local dataplane status received : No fault
BFD dataplane status received : Not sent
BFD peer monitor status received : No fault
Status received from access circuit : No fault
Status sent to access circuit : No fault
Status received from pseudowire i/f : No fault
Status sent to network peer : No fault
Status received from network peer : No fault
Adjacency status of remote peer : No fault
Sequencing: receive disabled, send disabled
Bindings
Parameter
Local
Remote
------------ ------------------------------
------------------------------
Label
19 19
Group ID
0 0
Interface
MTU
1500
1500
Control word on (configured:
autosense) on
PW type
Ethernet
Ethernet
VCCV CV type 0x02 0x02
LSPV [2] LSPV [2]
VCCV CC type 0x07 0x07
CW [1], RA [2], TTL [3] CW [1], RA [2], TTL [3]
Status TLV
enabled
supported
SSO Descriptor: 3.3.3.3/15, local label: 19
Dataplane:
SSM segment/switch IDs: 4102/4101 (used),
PWID: 1
Rx Counters
58 input transit packets, 4925 bytes
1 drops, 0 seq err
Tx Counters
3444 output transit packets, 310987 bytes
0 drops
Under the pseudowire
Configuration
CSR1
interface
pseudowire60
encapsulation mpls
neighbor 3.3.3.3 60
interface
GigabitEthernet2
no ip address
negotiation auto
service instance 60 ethernet
encapsulation dot1q 60
l2vpn
xconnect context XCONN1
member GigabitEthernet2 service-instance 60
member pseudowire60
CSR2
interface
pseudowire60
encapsulation mpls
neighbor 1.1.1.1 60
interface
GigabitEthernet2
no ip address
negotiation auto
service instance 60 ethernet
encapsulation dot1q 60
l2vpn
xconnect context XCONN1
member GigabitEthernet2 service-instance 60
member pseudowire60
CE1
vlan
60
interface
vlan 60
ip
address 172.16.60.3 255.255.255.0
CE2
vlan
60
interface
vlan 60
ip
address 172.16.60.4 255.255.255.0
Verification
CSR1#sh
xconnect interface gigabitEthernet 2 detail
Legend: XC ST=Xconnect State S1=Segment1 State S2=Segment2 State
UP=Up
DN=Down AD=Admin
Down IA=Inactive
SB=Standby
HS=Hot Standby
RV=Recovering NH=No Hardware
XC
ST Segment 1 S1 Segment 2 S2
------+---------------------------------+--+---------------------------------+--
UP
pri ac Gi2:60(Eth VLAN) UP mpls 3.3.3.3:60 UP
Interworking: ethernet Local VC label 21
Remote VC label 21
CSR1#sh
xconnect interface gigabitEthernet 2 event-trace
Legend: XC ST=Xconnect State S1=Segment1 State S2=Segment2 State
UP=Up
DN=Down AD=Admin
Down IA=Inactive
SB=Standby
HS=Hot Standby
RV=Recovering NH=No Hardware
XC
ST Segment 1 S1 Segment 2 S2
------+---------------------------------+--+---------------------------------+--
UP
pri ac Gi2:60(Eth VLAN) UP mpls 3.3.3.3:60 UP
CE1#ping
172.16.60.4 source vlan 60
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 172.16.60.4, timeout is 2 seconds:
Packet
sent with a source address of 172.16.60.3
!!!!!
Success
rate is 100 percent (5/5), round-trip min/avg/max = 48/99/152 ms
CSR1#sh
l2vpn atom vc vcid 60 detail
pseudowire60
is up, VC status is up PW type: Ethernet
Create time: 00:57:37, last status change
time: 00:57:17
Last label FSM state change time: 00:57:17
Destination address: 3.3.3.3 VC ID: 60
Output interface: Gi1, imposed label stack
{17 21}
Preferred path: not configured
Default path: active
Next hop: 192.168.12.2
Member of xconnect service XCONN1
Associated member Gi2 is up, status is up
Interworking type is Ethernet
Service id: 0x66000002
Signaling protocol: LDP, peer 3.3.3.3:0 up
Targeted Hello: 1.1.1.1(LDP Id) ->
3.3.3.3, LDP is UP
Graceful restart: not configured and not
enabled
Non stop routing: not configured and not
enabled
PWid FEC (128), VC ID: 60
Status TLV support (local/remote) : enabled/supported
LDP route watch : enabled
Label/status state machine : established, LruRru
Local dataplane status received : No fault
BFD dataplane status received : Not sent
BFD peer monitor status received : No fault
Status received from access circuit : No fault
Status sent to access circuit : No fault
Status received from pseudowire i/f : No fault
Status sent to network peer : No fault
Status received from network peer
: No fault
Adjacency status of remote peer : No fault
Sequencing: receive disabled, send disabled
Bindings
Parameter
Local
Remote
------------ ------------------------------
------------------------------
Label
21 21
Group ID
0 0
Interface
MTU
1500
1500
Control word on (configured:
autosense) on
PW type
Ethernet
Ethernet
VCCV CV type 0x02 0x02
LSPV [2] LSPV [2]
VCCV CC type 0x07 0x07
CW [1], RA [2], TTL [3] CW [1], RA [2], TTL [3]
Status TLV
enabled
supported
SSO Descriptor: 3.3.3.3/60, local label: 21
Dataplane:
SSM segment/switch IDs: 24592/12302 (used),
PWID: 3
Rx Counters
24 input transit packets, 2381 bytes
0 drops, 0 seq err
Tx Counters
1740 output transit packets, 164359 bytes
0 drops
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