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In this advanced CCNP BGP lab, you will steer a single router's outbound path choice using Cisco's Weight attribute, the very first BGP best-path tiebreaker. R1 (AS 65001) peers eBGP with two ISPs (R2 in AS 65002 and R3 in AS 65003). Both ISPs advertise the same prefix 172.16.50.0/24. Your job is to make R1 prefer the R3 path using the neighbor weight command and verify the outcome using IOS and Linux tools.
+3 more objectives · 4 troubleshooting scenarios
Configure and validate BGP local-preference to prefer one provider when the same destination prefix is learned from two eBGP neighbors. You will see two equal AS-PATH routes to 172.16.100.0/24 on the edge router and then apply an inbound route-map on the R2 session to set local-preference 200 so the edge prefers exiting via R2. Verification includes host pings/traceroute and router BGP best-path checks.
+3 more objectives · 4 troubleshooting scenarios
Configure eBGP between two routers and originate select connected /24s using the exact-match 'network ... mask' command. Verify that only the intended prefixes are advertised and learned by the neighbor, and use host-based tests to confirm reachability to the advertised networks. This beginner CCNP lab reinforces that the BGP network statement only advertises a route if an exact match exists in the RIB, and that the 'mask' keyword is mandatory for non-classful advertisements.
+3 more objectives · 5 troubleshooting scenarios
Advanced CCNP BGP lab: Build parallel eBGP sessions between two ASes over primary and backup /30 links. Originate a service prefix from AS 65001 and influence AS 65002's inbound path by applying outbound AS-path prepending on the backup session only. Validate best-path selection and next-hop on the neighbor, and confirm reachability from hosts.
+3 more objectives · 4 troubleshooting scenarios
Deploy eBGP between two routers and precisely control which locally-originated networks are advertised to a neighbor using an outbound prefix-list. R1 originates four /24 loopback routes but advertises only two to R2. Verify using IOS show commands and basic host reachability checks.
+3 more objectives · 4 troubleshooting scenarios
Build your first external BGP (eBGP) peering between two routers in different autonomous systems over a /30 point-to-point link and exchange one /24 prefix from each side using Loopback0. The topology is intentionally small yet realistic, with two edge routers (AS 65001 and AS 65002) and three Alpine hosts for basic reachability checks and operator context. You will configure deterministic BGP neighbors, originate prefixes with exact-match network statements, and validate reachability and route installation using standard IOS and Linux tools. This is Lab 1 of 10 in the CCNP-aligned BGP Fundamentals series and sets the foundation for later labs on iBGP, route filtering, and path selection.
+3 more objectives · 5 troubleshooting scenarios
Advanced CCNP capstone on a compact 3-router, 2-host CML-Free topology. Restore end-to-end reachability to a remote advertised network by diagnosing and correcting two independent BGP issues on the hub router. The design intentionally combines an eBGP edge (R2–R1) with iBGP over loopbacks (R1–R3 with OSPF reachability) so learners validate neighbor formation, next-hop reachability, and route propagation end-to-end.
+3 more objectives · 5 troubleshooting scenarios
Build an internal BGP (iBGP) peering between two IOS routers in the same AS over stable Loopback0 addresses, with OSPF providing loopback reachability. Each router originates a /24 from Loopback1 into BGP, and next-hop/peering behavior is validated from end hosts. This lab emphasizes the deterministic neighbor configuration (remote-as, update-source Loopback0, router-id) and exact-match network origination, supported by a minimal, secure OSPF core.
+3 more objectives · 5 troubleshooting scenarios
In this CCNP-level lab (BGP Fundamentals Lab 4/10), you will build a small, realistic transit-AS scenario: an external route learned by R1 via eBGP from AS 65003 must be carried across iBGP to R2 inside AS 65001. You will intentionally encounter the classic iBGP next-hop problem (R2 sees an unreachable next-hop for 172.16.30.0/24) and fix it on R1 with neighbor next-hop-self. iBGP peering runs over Loopback0 addresses with reachability provided by OSPF area 0 between R1 and R2. Two hosts validate end-to-end data-plane reachability and routing control-plane state.
+3 more objectives · 5 troubleshooting scenarios
Advanced CCNP-level EIGRP troubleshooting on a 3-router triangle with seeded faults: an AS mismatch on R3 and a missing network statement on R1 prevent a full-mesh of adjacencies and block reachability to a loopback LAN. Learners diagnose using show commands and repair the configuration to restore end-to-end reachability.
+3 more objectives · 5 troubleshooting scenarios
Implement classic EIGRP manual summarization on R1 to collapse four contiguous /24 loopback routes into a single /22 summary toward R2, reducing R2’s routing table entries while preserving reachability.
+3 more objectives · 4 troubleshooting scenarios
Inject a static default route from an edge router into an EIGRP domain so internal routers and hosts gain internet reachability. You will verify the D*EX 0.0.0.0/0 on the internal router and validate end-to-end connectivity from a branch host through the edge to an ISP-side server.
+3 more objectives · 5 troubleshooting scenarios