AToM: Frame PVC to VLAN

April 14, 2010 at 11:58 pm | Posted in Blogroll, MPLS, VPN | Leave a comment

 Topology

Fa0/0        Fa0/1   Fa0/0       Fa0/0   S1/0               S1/0
R3 -------------- R1 ---------------- R2 --------FR-------- R4
                 (PE)                (PE)

 

Configuration

R1#
mpls ldp router-id Loopback0
mpls label protocol ldp
!
pseudowire-class AToM
 encapsulation mpls
 interworking ip
!
!
!
interface Loopback0
 ip address 1.1.1.1 255.255.255.255
!
interface FastEthernet0/0
 ip address 12.0.0.1 255.255.255.0
 mpls ip

!
interface FastEthernet0/1
 no ip address
 no shut
!
interface FastEthernet0/1.100
 description Connect to R3 via VLAN 100
 encapsulation dot1Q 100
 no cdp enable
 xconnect 2.2.2.2 1000 pw-class AToM
!
router ospf 1
 log-adjacency-changes
 network 1.1.1.1 0.0.0.0 area 0
 network 12.0.0.1 0.0.0.0 area 0
!
ip classless
R2#
mpls ldp router-id Loopback0
mpls label protocol ldp
!
pseudowire-class AToM
 encapsulation mpls
 interworking ip
!
!
!
!
interface Loopback0
 ip address 2.2.2.2 255.255.255.255
!
interface FastEthernet0/0
 ip address 12.0.0.2 255.255.255.0
 mpls ip
!
!
interface Serial1/0
 description Connect to R4 (CE2) via Frame PVC 204
 no ip address
 encapsulation frame-relay
 no shutdown
!
!
router ospf 1
 log-adjacency-changes
 network 2.2.2.2 0.0.0.0 area 0
 network 12.0.0.2 0.0.0.0 area 0
!
!
!
connect FR-VLAN Serial1/0 204 l2transport
 xconnect 1.1.1.1 1000 pw-class AToM
 !
!
!
!
R3#

interface FastEthernet0/0
 description Connected to R1
 no ip address

!
interface FastEthernet0/0.100
 encapsulation dot1Q 100
 ip address 34.0.0.3 255.255.255.0
R4#

interface Serial1/0
 no ip address
 encapsulation frame-relay

!
interface Serial1/0.1 point-to-point
 ip address 34.0.0.4 255.255.255.0
 frame-relay interface-dlci 402

Verification

 

Rack1R1#sh mpls l2transport summary
Destination address: 2.2.2.2, total number of vc: 1
  0 unknown, 1 up, 0 down, 0 admin down, 0 recovering
  1 active vc on MPLS interface Fa0/0
Rack1R1#show mpls l2transport binding
  Destination Address: 2.2.2.2,  VC ID: 1000
    Local Label:  18
        Cbit: 1,    VC Type: IP,    GroupID: 0
        MTU: 1500,   Interface Desc: n/a
        VCCV Capabilities: None
    Remote Label: 17
        Cbit: 1,    VC Type: IP,    GroupID: 0
        MTU: 1500,   Interface Desc: n/a
        VCCV Capabilities: None

Rack1R1#sh mpls l2transport vc 1000 detail
Local interface: Fa0/1.100 up, line protocol up, Eth VLAN 100 up
  MPLS VC type is IP, interworking type is IP
  Destination address: 2.2.2.2, VC ID: 1000, VC status: up
    Output interface: Fa0/0, imposed label stack {17}
    Preferred path: not configured
    Default path: active
    Tunnel label: imp-null, next hop 12.0.0.2
  Create time: 00:16:34, last status change time: 00:15:20
  Signaling protocol: LDP, peer 2.2.2.2:0 up
    MPLS VC labels: local 18, remote 17
    Group ID: local 0, remote 0
    MTU: local 1500, remote 1500
    Remote interface description:
  Sequencing: receive disabled, send disabled
  VC statistics:
    packet totals: receive 35, send 24
    byte totals:   receive 3500, send 2928
    packet drops:  receive 0, send 0
Rack1R2#sh mpls l2transport vc 1000 detail
Local interface: Se1/0 up, line protocol up, FR DLCI 204 up
  MPLS VC type is IP, interworking type is IP
  Destination address: 1.1.1.1, VC ID: 1000, VC status: up
    Output interface: Fa0/0, imposed label stack {18}
    Preferred path: not configured
    Default path: active
    Tunnel label: imp-null, next hop 12.0.0.1
  Create time: 00:23:41, last status change time: 00:15:52
  Signaling protocol: LDP, peer 1.1.1.1:0 up
    MPLS VC labels: local 17, remote 18
    Group ID: local 0, remote 0
    MTU: local 1500, remote 1500
    Remote interface description:
  Sequencing: receive disabled, send disabled
  VC statistics:
    packet totals: receive 24, send 35
    byte totals:   receive 2400, send 4270
    packet drops:  receive 0, send 0

Rack1R3#ping 34.0.0.4

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 34.0.0.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/42/72 ms

Rack1R1#show mpls l2transport hw-capability interface fa0/1
Interface FastEthernet0/1

Transport type FR DLCI
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type ATM AAL5
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type ATM CELL
  Core functionality:
    MPLS label disposition supported
    Control word processing not supported
    Sequence number processing not supported
    VCCV Type 1 processing not supported
  Edge functionality:
    Not supported

Transport type Eth VLAN
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    MPLS label imposition supported
    Control word processing supported
    Sequence number processing not supported

Transport type Ethernet
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    MPLS label imposition supported
    Control word processing supported
    Sequence number processing not supported

Transport type HDLC
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type PPP
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type CEM
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type ATM VCC CELL
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type ATM VPC CELL
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type VFI
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Rack1R2#sh mpls l2transport hw-capability ?
  interface  Show MPLS L2 transport interface capability

Rack1R2#sh mpls l2transport hw-capability int
Rack1R2#sh mpls l2transport hw-capability interface atm2/0
Interface ATM2/0

Transport type FR DLCI
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type ATM AAL5
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type ATM CELL
  Core functionality:
    MPLS label disposition supported
    Control word processing not supported
    Sequence number processing not supported
    VCCV Type 1 processing not supported
  Edge functionality:
    Not supported

Transport type Eth VLAN
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type Ethernet
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type HDLC
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type PPP
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type CEM
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type ATM VCC CELL
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type ATM VPC CELL
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

Transport type VFI
  Core functionality:
    MPLS label disposition supported
    Control word processing supported
    Sequence number processing not supported
    VCCV Type 1 processing supported
  Edge functionality:
    Not supported

NOTE that MTU have to match. Otherwise, xconnect does not come up.

Rack1R2(config)#int s1/0
Rack1R2(config-if)#mtu ?
  <64-18000>  MTU size in bytes

Rack1R2(config-if)#mtu 1000
Rack1R2(config-if)#end
Rack1R2#
Rack1R2#
Rack1R2#
Rack1R2#
Rack1R2#
Rack1R2#sh mpls l2transport vc 1000 detail
Local interface: Se1/0 up, line protocol up, FR DLCI 204 up
  MPLS VC type is IP, interworking type is IP
  Destination address: 1.1.1.1, VC ID: 1000, VC status: down
    Output interface: if-?(0), imposed label stack {}
    Preferred path: not configured
    Default path: active
    Tunnel label: 0, next hop Invalid MOI
  Create time: 00:00:12, last status change time: 00:00:12
  Signaling protocol: LDP, peer 1.1.1.1:0 up
    MPLS VC labels: local 18, remote 16
    Group ID: local 0, remote 0
    MTU: local 1000, remote 1500
    Remote interface description: Connect to R3 via VLAN 100
  Sequencing: receive disabled, send disabled
  VC statistics:
    packet totals: receive 1952, send 1942
    byte totals:   receive 195200, send 236924
    packet drops:  receive 0, send 0

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