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- #Router configuration commands step by step pdf full#
- #Router configuration commands step by step pdf verification#
One more verification to confirm LDP is running ok is to do a trace between R1 and R3 and verify if you get MPLS Labels show up in the trace. State: Oper Msgs sent/rcvd: 12/11 Downstream State: Oper Msgs sent/rcvd: 16/17 Downstream You can also verify the LDP neighbors with the sh mpls ldp neighbors command. This is done on R2 and you can see that both interfaces are running mpls and using LDP R2#sh mpls interface To verify the mpls interfaces the command is very simple – sh mpls interface You should see log messages coming up showing the LDP neighbors are up. Under the ospf process use the mpls ldp autoconfig commandįor this tutorial we will be using the second option, so go int the ospf process and enter mpls ldp autoconfig – this will enable mpls label distribution protocol on every interface running ospf under that specific process.At each interface enter the mpls ip command.In order to run MPLS you need to enable it, there are two ways to do this. You could show the routing table here, but the fact that you can ping between the loopbacks is verification enough and it is safe to move on.īuy My Ansible Course for only £29 Step 2 – Configure LDP on all the interfaces in the MPLS Core Success rate is 100 percent (5/5), round-trip min/avg/max = 40/52/64 ms Packet sent with a source address of 1.1.1.1 Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:
#Router configuration commands step by step pdf full#
You should now have full ip connectivity between R1, R2, R3 to verify this we need to see if we can ping between the loopbacks of R1 and R3 R1#ping 3.3.3.3 source lo0
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We are going to address the routers and configure ospf to ensure loopback to loopback connectivity between R1 and R3 R1 If this is more your thing check out my Network Automation Tutorials Cisco MPLS Configuration Commands Step 1 – IP addressing of MPLS Core and OSPFįirst bring 3 routers into your topology R1, R2, R3 position them as below. I am now heavily involved in Network Automation. I will be using GNS3 and configuring the routers as we go so you can follow along. This will be quite a long post as I will be taking you through every single verification along the way to ensure you understand how each section works. The entire tutorial is covered in this video above so if you like to just watch the video is there, if you want to follow along I suggest you open this page twice or print it out so you can make notes.īuilding the simple MPLS topology below this will consist of a 3 router MPLS core and two remote sites in the same VRF running OSPF as the PE-CE routing protocol. What is MPLS network and how does it work?.Before we start lets do some verifications.Step 4 – Add two more routers, create VRFs.Step 3 – MPLS BGP Configuration between R1 and R3.Step 2 – Configure LDP on all the interfaces in the MPLS Core.Step 1 – IP addressing of MPLS Core and OSPF.