Question 1 What is MPLS?
Question 2 Why MPLS is called as Multi-Protocol Label Switching?
Question 3 Why MPLS is called as Layer 2.5 Technology?
Question 4 What are the applications of MPLS?
Question 5 What are the advantages of MPLS?
Question 6 What is LDP?
Question 7 What is MPLS and why it is being so popular in short time?
Question 8 What is the protocol used by MPLS?
Question 9 MPLS works on which layer?
Question 10 What is the difference between P and PE router?
Question 11 Can I make my PE router as P?
Question 12 Two routers are having 4 equal cost links, how many LDP sessions will be established?
Question 13 My LDP router id, OSPF router id and BGP router id is different, will it work to forward the traffic of customers or not?
Question 14 What is Penultimate Hop Popping and why it is required? Which router performs the PHP function?
Question 15 I am receiving aggregate label, what does it mean?
Question 16 What are the different types of labels?
Question 17 How to make customer route unique?
Question 18 What is the difference between RD and RT?
Question 19 Can I assign a same RD to two different customers?
Question 20 Is RD travels in route update?
Question 21 My customer is having three branches and all are attached to three different PEs, In this case can I use the different VRF names?
Question 22 What is downstream on demand?
Question 23 How to filter MPLS labels?
Question 24 What is the default range of MPLS labels in Cisco routers? How to extend that range?
Question 25 Without route reflector can I implement MPLS?
Question 26 What is the difference between VPNv4 and IPv4 address family?
Question 27 What is MP-iBGP? Can we use normal BGP in lieu of MP-iBGP?
Question 28 What is LIB, LFIB?
Question 29 What is CEF and without enabling CEF, can we make MPLS work?
Question 30 I am receiving end to end customer routes on various PE but not able to ping those routes, what’s could be the problem?
Question 31 What is explicit null and implicit null?
Question 32 Default timers of LDP?
Question 33 Does LDP require OSPF, IS-IS or BGP?
Question 34 In neighbor discovery command, I am receiving only xmit, what does it mean?
Question 35 What is transport address?
Question 36 What is the RFC of MPLS?
Question 37 Why MPLS is called multi-protocol?
Question 38 What is the difference between MPLS, SSL and IPSec?
Question 39 I am using different vendor products and want to implement TDP, what type of challenges will you face?
Question 40 What is the MFA Forum?
Question 41 What MPLS related mailing lists are there and what are they used for?
Question 42 How did MPLS evolve?
Question 43 What problems does MPLS solve?
Question 44 What is the status of the MPLS standard?
Question 45 What is a Label?
Question 46 What is a Label Switch Path?
Question 47 What is a Label Distribution Protocol?
Question 48 What’s the difference between CR-LDP and RSVP-TE
Question 49 What is a “Forwarding Equivalency Class”?
Question 50 How are Label Switch Paths built?
Question 51 What other protocols does MPLS support besides IP?
Question 52 What are the differences between MPLS and ATM?
Question 53 Does MPLS replace ATM?
Question 54 What is “Ships in the night”?
Question 55 What does MPLS traffic engineering accomplish?
Question 56 What are the components of MPLS-TE?
Question 57 How does MPLS merge traffic flows?
Question 58 How loops are prevented in MPLS networks?
Question 59 How does MPLS perform failure recovery?
Question 60 What differences are there in running MPLS in OSPF versus IS-IS environments?
Question 61 Can there be two or more Autonomous Systems within the same MPLS domain?
Question 62 How does MPLS enable VPNs?
Question 63 What alternatives are there for implementing VPNs over MPLS?
Question 64 What is the “Martini Draft’?
Question 65 What is a “Layer 2 VPN”?
Question 66 What is a Virtual Private LAN Service (VPLS)?
Question 67 Are MPLS-VPNs secure?
Question 68 What kinds of QoS protocols does MPLS support?
Question 69 How do I integrate MPLS and DiffServ?
Question 70 How do I integrate MPLS and ATM QoS?
Question 71 What is “Generalized MPLS” or “GMPLS”
Question 72 What are the components of GMPLS?
Question 73 What are the features of GMPLS?
Question 74 What are the “Peer” and “Overlay” models?
Question 75 What is the “Optical Internetworking Forum”?
Question 76 Can voice and video traffic be natively encapsulated into MPLS?
Question 77 How are MPLS networks managed?
Question 78 Are there any MPLS-specific MIBs?
Question 79 Is there open source MPLS code to test MPLS?
Question 80 What shows and conferences provide information on MPLS?
Question 81 Are there any labs that are performing MPLS interoperability testing?
Question 82 Does MPLS support IPv6?
Question 83 Can I use the existing IPv4 MPLS backbone for IPv6?
Question 84 Define various troubleshooting commands in MPLS?
Question 85 What is adjacency table?
Question 86 Difference between MPLS IP and MPLS Label Protocol LDP command?
Question 87 If MPLS get disable, will it harm my IGP or IPv4 traffic?
Question 88 What is MPLS-TP?
Question 89 What is downstream and upstream router in MPLS? 44. Difference between MPLS and MPLS-TP?
Question 90 How does LDP Initializes?
Question 91 What is Cell Mode MPLS over ATM?
Question 92 Difference Between VC Based Multiplexing And Logical Link Control Encapsulation in ATM?
Question 93 Basics of ATM?
Question 94 ATM is packet or circuit switching?
Question 95 Is LDP Required for VPNv4 Labels?
Question 96 What will happen if you see your PE loopback in vpnv4 table?
Question 97 What is Bidirectional Forwarding Detection?
Question 98 Different types of Pseudo Wire?
Question 99 Modes of EoMPLS (Ethernet over MPLS)
Question 100 What is L2VPN over Metro Ethernet?
Question 101 What is E-VPN (Ethernet VPN)?
Question 102 What is FEC in traditional IP routing and MPLS?
Question 103 How does CEF understand overlapping of ip addresses?
Question 104 What is the difference between Optimum, Fast and CEF Switching?
Question 105 Define CEF FIB table entries.
Question 106 What is the port number used by LDP?
Question 107 What are the prerequisites to run MPLS?
Question 108 What is penultimate hop popping?
Question 109 What are the functions done by MPLS?
Question 110 What is the difference between Per Platform Label Space and Per Interface Label Space?
Question 111 Is summarization is recommended in MPLS?
Question 112 What is TTL Propagation in MPLS?
Question 113 What is LDP IGP Synchronization?
Question 114 What is the difference between Implicit Null and Explicit Null?