Frame Relay is a private networking technology similar to the concept of MPLS in that it is delivered in the “cloud”. Frame Relay can run over MPLS to obtain the benefits of traffic prioritization and management. Frame Relay has no quality of service (QoS) manageability and is largely being replaced by the more cost effective MPLS VPN Solutions.
MPLS is a protocol that uses packet labels to prioritize network packets to optimize network performance. If you have Quality of Service (QoS) sensitive applications such as VoIP, video conferencing, SAP, Oracle, Citrix or other real time applications running across your WAN then you should consider MPLS.
MPLS is a protocol that uses packet labels to prioritize network packets to optimize network performance. If you have Quality of Service (QoS) sensitive applications such as VoIP, video conferencing, SAP, Oracle, Citrix or other real time applications running across your WAN then you should consider MPLS.
Requirement:
Configure IP address as per topology
CE1 should communicate to all mpls cloud via mpls
FRS1 should communicate to FRS2 and FRS3 via FROMPLS
There should not be any communication between FRS2 and FRS3
Configure IP address as per topology
CE1 should communicate to all mpls cloud via mpls
FRS1 should communicate to FRS2 and FRS3 via FROMPLS
There should not be any communication between FRS2 and FRS3
| ! CE1 Configuration ip cef mpls ip mpls label protocol ldp interface FastEthernet0/0 ip address 200.10.10.100 255.255.255.0 no shut interface Serial0/0 ip address 11.1.1.1 255.255.255.252 mpls label protocol ldp mpls ip no shut router ospf 10 network 11.1.1.0 0.0.0.3 area 0 network 200.10.10.0 0.0.0.255 area 0 ip route 0.0.0.0 0.0.0.0 11.1.1.2 ! P1 Configuration ip cef mpls label protocol ldp interface FastEthernet0/0 ip address 160.1.1.1 255.255.255.252 no shut mpls label protocol ldp mpls ip interface Serial0/0 ip address 11.1.1.2 255.255.255.0 mpls label protocol ldp mpls ip no shut interface FastEthernet0/1 ip address 160.1.1.9 255.255.255.252 speed 100 full-duplex mpls label protocol ldp mpls ip no shut interface FastEthernet1/0 ip address 160.1.1.13 255.255.255.252 speed 100 full-duplex mpls label protocol ldp mpls ip no shut router ospf 10 network 11.1.1.0 0.0.0.3 area 0 network 160.1.1.0 0.0.0.3 area 0 network 160.1.1.8 0.0.0.3 area 0 network 160.1.1.12 0.0.0.3 area 0 ! P3 Configuration ip cef mpls label protocol ldp interface FastEthernet0/0 ip address 160.1.1.17 255.255.255.252 speed 100 full-duplex mpls label protocol ldp mpls ip no shut interface FastEthernet0/1 ip address 160.1.1.14 255.255.255.252 speed 100 full-duplex mpls label protocol ldp mpls ip no shut interface FastEthernet1/0 ip address 160.1.1.25 255.255.255.252 speed 100 full-duplex mpls label protocol ldp mpls ip no shut router ospf 10 network 160.1.1.12 0.0.0.3 area 0 network 160.1.1.16 0.0.0.3 area 0 network 160.1.1.24 0.0.0.3 area 0 ! PE2 Configuration ip cef frame-relay switching mpls label protocol ldp interface Loopback0 ip address 15.15.15.15 255.255.255.255 interface FastEthernet0/0 ip address 160.1.1.21 255.255.255.252 speed 100 full-duplex mpls label protocol ldp mpls ip no shut interface Serial0/0 no ip address encapsulation frame-relay clock rate 64000 frame-relay intf-type dce no shut interface FastEthernet0/1 ip address 160.1.1.26 255.255.255.252 speed 100 full-duplex mpls label protocol ldp mpls ip no shut router ospf 10 network 15.15.15.15 0.0.0.0 area 0 network 160.1.1.20 0.0.0.3 area 0 network 160.1.1.24 0.0.0.3 area 0 connect FRS3-FRS1 Serial0/0 301 l2transport xconnect 13.13.13.13 20 encapsulation mpls mpls ldp router-id Loopback0 force ! P2 Configuration ip cef frame-relay switching mpls label protocol ldp interface Loopback0 ip address 14.14.14.14 255.255.255.255 interface FastEthernet0/0 ip address 160.1.1.10 255.255.255.252 speed 100 full-duplex mpls label protocol ldp mpls ip no shut interface Serial0/0 no ip address encapsulation frame-relay frame-relay intf-type dce no shut interface FastEthernet0/1 ip address 160.1.1.5 255.255.255.252 duplex auto speed auto mpls label protocol ldp mpls ip no shut interface FastEthernet1/0 ip address 160.1.1.18 255.255.255.252 speed 100 full-duplex mpls label protocol ldp mpls ip no shut interface FastEthernet2/0 ip address 160.1.1.22 255.255.255.252 speed 100 full-duplex mpls label protocol ldp mpls ip no shut router ospf 10 network 14.14.14.14 0.0.0.0 area 0 network 160.1.1.4 0.0.0.3 area 0 network 160.1.1.8 0.0.0.3 area 0 network 160.1.1.16 0.0.0.3 area 0 network 160.1.1.20 0.0.0.3 area 0 connect FR2-FRS1 Serial0/0 201 l2transport xconnect 13.13.13.13 10 encapsulation mpls mpls ldp router-id Loopback0 force ! PE1 Configuration ip cef frame-relay switching mpls label protocol ldp interface Loopback0 ip address 13.13.13.13 255.255.255.255 interface FastEthernet0/0 ip address 160.1.1.2 255.255.255.252 no shut mpls label protocol ldp mpls ip interface Serial0/0 no ip address encapsulation frame-relay no shut frame-relay intf-type dce interface FastEthernet0/1 ip address 160.1.1.6 255.255.255.252 no shut mpls label protocol ldp mpls ip router ospf 10 network 13.13.13.13 0.0.0.0 area 0 network 160.1.1.0 0.0.0.3 area 0 network 160.1.1.4 0.0.0.3 area 0 connect FRS1-FRS2 Serial0/0 102 l2transport xconnect 14.14.14.14 10 encapsulation mpls connect FRS1-FRS3 Serial0/0 103 l2transport xconnect 15.15.15.15 20 encapsulation mpls mpls ldp router-id Loopback0 force ! FRS1 Configuration interface Serial0/0 ip address 12.12.12.1 255.255.255.0 encapsulation frame-relay frame-relay interface-dlci 102 frame-relay interface-dlci 103 no shut ip route 0.0.0.0 0.0.0.0 Serial0/0 !FRS2 Configuration interface Serial0/0 ip address 19.19.19.1 255.255.255.0 encapsulation frame-relay frame-relay interface-dlci 201 no shut ip route 0.0.0.0 0.0.0.0 Serial0/0 !FRS3 Configuration interface Serial0/0 ip address 21.1.1.1 255.255.255.252 encapsulation frame-relay frame-relay interface-dlci 301 no shut ip route 0.0.0.0 0.0.0.0 Serial0/0 | Configuration Explanation Cisco's Express Forwarding (CEF) is an Layer 3 fastest switching technology by which Cisco router forwards packets from ingress to egress interfaces. Note: This is a essential command Globally enabling MPLS forwarding does not enable it on the router interfaces. You must enable MPLS forwarding on the interfaces as well as for the router. Enable LDP protocol globally. MPLS Label Distribution Protocol (LDP) enables peer label switch routers (LSRs) in an MPLS network to exchange label binding information for supporting hop-by-hop forwarding in an MPLS network Enabling interface with IP address Enabling interface with IP address Enabling MPLS LDP on interface Enable Mpls IP on interface Configuring OSPF for two networks Default route command will enable your router to act as frame relay switch Loopback interface ip. We are using this to enable our FR over MPLS communication through connect and xconnect commands given below In previous releases of AToM, the command used to configure AToM circuits was mpls l2 transport route. This command has been replaced with the xconnect command. Applied command is telling to connect DLCI 301 and transport it via serial 0/0 The xconnect command is not supported on Frame Relay interfaces directly. For Frame Relay, the Xconnect is applied under the connectcommand specifying the DLCI to be used. we would directly apply xconnect directly to the customer interface, i.e under an ethernet interface or when the encapsulation is PPP or HDLC on a serial link. Frame relay encapsulation requires an alternate configuration. command is telling to connect to router-id 13.13.13.13 having virtual circuit 20 using encapsulation type mpls Enforcing MPLS router ID to be loopback 0 ip address. This will break LDP neighbor relationship and reestablish it |
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