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CCIE Enterprise Infrastructure practice lab 2 of 8

OSPF meets EIGRP with redistribution and filtering

Join an OSPF enterprise to an acquired EIGRP network at two points, dual stack: area types, named-mode EIGRP with unequal-cost paths and stub leak maps, two-way redistribution that cannot loop, policy routing and BFD. Three fault injectors prove each failover. A 3 to 4 hour practice lab.

Run this lab

It needs Standard: its 11 nodes are set to 11 vCPU and 5,632 MB in total.

In your workspace: Shared, then CCIE Enterprise Infrastructure practice guided labs, then 02 - OSPF meets EIGRP with redistribution and filtering

Run it on Standard from £5 a day

The free demo can’t run it: it has 6 vCPU and 8 GB, and this lab’s nodes need 11 vCPU and 5,632 MB together. Every lab plan includes every guided lab.

Level
Advanced
Time
About 210 minutes
Nodes need
11 vCPU, 5,632 MB
Smallest plan
Standard

The scenario

Halden Freight runs OSPF. It has just bought Brennock Haulage, which runs EIGRP. You are joining the two networks at two new routers, X1 and X2, dual stack, and the change board wants the design below finished in one sitting.

 area 10 NSSA    A1                     S1   area 20 totally stubby
 partner LAN      |                    /  \
 172.20.10.0/24   |                   /    \
                 C1 ---- Gi0/0 ---- C2 ---- C3       area 0
                  |  \               |    /  |
                  |   +--- BB-LAN 10.1.0.0/24 +
                  |                          |
                 X1  carrier link 1400 bytes X2      OSPF above, EIGRP below
                  |                          |
                 E1 ------------------------ E2      EIGRP AS 100, named HALDEN
                   \                        /   |
                    \                      /    partner 172.30.0.0/16
                     +-------- E3 --------+
                                |  stub
                                E4  priority site 10.40.4.0/24
ItemDesign
Router IDsEach router's Loopback0
Area 0C1, C2, C3, X1, X2
Area 10NSSA: A1 and C1
Area 20Totally stubby: S1, with C2 and C3 as its ABRs
EIGRPNamed instance HALDEN, AS 100: X1, X2, E1, E2, E3, E4
LANsLoopback10 or Loopback20 stands in for each site's LAN and must appear as the /24 or /64 shown
Lab-only prefix10.99.0.0/24 on E1 stays inside Brennock
IPv6Same design, same area numbers: 10.1.12.0/30 becomes 2001:db8:1:12::/64, and so on

Addressing

DeviceInterfaceAddressConnects to
A1Lo010.255.0.10/32, 2001:db8:255::10/128
A1Lo20172.20.10.1/24, 2001:db8:172:20::1/64
A1Gi0/010.1.101.2/30, 2001:db8:1:101::2/64C1 Gi0/1
S1Lo010.255.0.20/32, 2001:db8:255::20/128
S1Lo1010.20.1.1/24, 2001:db8:20:1::1/64
S1Gi0/010.1.201.2/30, 2001:db8:1:201::2/64C2 Gi0/2
S1Gi0/110.1.202.2/30, 2001:db8:1:202::2/64C3 Gi0/2
C1Lo010.255.0.1/32, 2001:db8:255::1/128
C1Gi0/010.1.12.1/30, 2001:db8:1:12::1/64C2 Gi0/0
C1Gi0/110.1.101.1/30, 2001:db8:1:101::1/64A1 Gi0/0
C1Gi0/210.1.31.1/30, 2001:db8:1:31::1/64X1 Gi0/0
C1Gi0/310.1.0.1/24, 2001:db8:1:0::1/64BB-LAN
C2Lo010.255.0.2/32, 2001:db8:255::2/128
C2Lo1010.10.2.1/24, 2001:db8:10:2::1/64
C2Gi0/010.1.12.2/30, 2001:db8:1:12::2/64C1 Gi0/0
C2Gi0/110.1.23.1/30, 2001:db8:1:23::1/64C3 Gi0/0
C2Gi0/210.1.201.1/30, 2001:db8:1:201::1/64S1 Gi0/0
C2Gi0/310.1.0.2/24, 2001:db8:1:0::2/64BB-LAN
C3Lo010.255.0.3/32, 2001:db8:255::3/128
C3Gi0/010.1.23.2/30, 2001:db8:1:23::2/64C2 Gi0/1
C3Gi0/110.1.32.1/30, 2001:db8:1:32::1/64X2 Gi0/0
C3Gi0/210.1.202.1/30, 2001:db8:1:202::1/64S1 Gi0/1
C3Gi0/310.1.0.3/24, 2001:db8:1:0::3/64BB-LAN
X1Lo010.255.0.31/32, 2001:db8:255::31/128
X1Gi0/010.1.31.2/30, 2001:db8:1:31::2/64C1 Gi0/2
X1Gi0/110.2.1.1/30, 2001:db8:2:1::1/64E1 Gi0/0
X2Lo010.255.0.32/32, 2001:db8:255::32/128
X2Gi0/010.1.32.2/30, 2001:db8:1:32::2/64C3 Gi0/1
X2Gi0/110.2.2.1/30, 2001:db8:2:2::1/64E2 Gi0/0
E1Lo010.255.0.41/32, 2001:db8:255::41/128
E1Lo1010.40.1.1/24, 2001:db8:40:1::1/64
E1Lo9910.99.0.1/24
E1Gi0/010.2.1.2/30, 2001:db8:2:1::2/64X1 Gi0/1
E1Gi0/110.2.12.1/30, 2001:db8:2:12::1/64E2 Gi0/1
E1Gi0/210.2.13.1/30, 2001:db8:2:13::1/64E3 Gi0/0
E2Lo010.255.0.42/32, 2001:db8:255::42/128
E2Lo1010.40.2.1/24, 2001:db8:40:2::1/64
E2Lo20172.30.0.1/16, 2001:db8:172:30::1/64
E2Gi0/010.2.2.2/30, 2001:db8:2:2::2/64X2 Gi0/1
E2Gi0/110.2.12.2/30, 2001:db8:2:12::2/64E1 Gi0/1
E2Gi0/210.2.23.1/30, 2001:db8:2:23::1/64E3 Gi0/1
E3Lo010.255.0.43/32, 2001:db8:255::43/128
E3Lo1010.40.3.1/24, 2001:db8:40:3::1/64
E3Gi0/010.2.13.2/30, 2001:db8:2:13::2/64E1 Gi0/2
E3Gi0/110.2.23.2/30, 2001:db8:2:23::2/64E2 Gi0/2
E3Gi0/210.2.34.1/30, 2001:db8:2:34::1/64E4 Gi0/0
E4Lo010.255.0.44/32, 2001:db8:255::44/128
E4Lo1010.40.4.1/24, 2001:db8:40:4::1/64
E4Gi0/010.2.34.2/30, 2001:db8:2:34::2/64E3 Gi0/2

Rules for the whole lab

  • Keep every address, interface and hostname as given. Add no tunnels and no new interfaces.
  • No static routes beyond those already in the start-up configuration, and none of the IP SLA or route-map next hops may be a Null0 trick.
  • No ip ospf mtu-ignore, and no passive-interface default that hides a link the design needs.
  • Don't remove the LAB-FAIL-* applets.

What you’ll practise

  • Design OSPF area types, DR roles, summarisation and transit-prefix suppression together
  • Use EIGRP named mode with wide metrics, the feasibility condition, stub leak maps and summary leak maps
  • Redistribute at two points without loops, with tags, seed metrics and administrative distance
  • Prove failover with injected faults: policy routing with tracking, BFD and the second redistribution point
  • Build the same design for IPv6 with OSPFv3 address families and EIGRP for IPv6

The tasks

  • Section 1: OSPF design (24 points)
  • Section 2: EIGRP named mode (18 points)
  • Section 3: Redistribution at two points (26 points)
  • Section 4: Path control and fast failure (14 points)
  • Section 5: IPv6 to the same design (18 points)

The Lab Tasks pane has the scenario, these tasks, the checks to run, hints and the full solution.

Topology and devices

The network as it opens in EVE-NG, drawn from the lab’s own canvas, and the image each node runs.

Topology of OSPF meets EIGRP with redistribution and filtering11 nodes and 1 network, 16 links. Every link is listed as text below the diagram.A1S1C1C2C3X1X2E1E2E3E4BB-LANGi0/2Gi0/0Gi0/3Gi0/2Gi0/0Gi0/1Gi0/0Gi0/1Gi0/0Gi0/2Gi0/0Gi0/1Gi0/0Gi0/1Gi0/0Gi0/0Gi0/0Gi0/1Gi0/0Gi0/2Gi0/0Gi0/2Gi0/1Gi0/3Gi0/3Gi0/2Gi0/1Gi0/1Gi0/1
11 nodes and 1 network, with the interface names each link uses. On a narrow screen, scroll the diagram sideways.
Every link, as text
  • C1 Gi0/0 to C2 Gi0/0
  • C2 Gi0/1 to C3 Gi0/0
  • C1 Gi0/1 to A1 Gi0/0
  • C2 Gi0/2 to S1 Gi0/0
  • C3 Gi0/2 to S1 Gi0/1
  • C1 Gi0/2 to X1 Gi0/0
  • C3 Gi0/1 to X2 Gi0/0
  • X1 Gi0/1 to E1 Gi0/0
  • X2 Gi0/1 to E2 Gi0/0
  • E1 Gi0/1 to E2 Gi0/1
  • E1 Gi0/2 to E3 Gi0/0
  • E2 Gi0/2 to E3 Gi0/1
  • E3 Gi0/2 to E4 Gi0/0
  • C1 Gi0/3 to BB-LAN (network)
  • C2 Gi0/3 to BB-LAN (network)
  • C3 Gi0/3 to BB-LAN (network)
Nodes in OSPF meets EIGRP with redistribution and filtering, with the image each runs and the vCPU and RAM it’s set to
NodeDeviceImage in Add NodeSet to
A1Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB
S1Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB
C1Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB
C2Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB
C3Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB
X1Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB
X2Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB
E1Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB
E2Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB
E3Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB
E4Cisco IOSvvios-adventerprisek9-m.spa.159-3.m91 vCPU, 512 MB

How to open this lab

  1. Sign in to your workspace at lab.cloudlabbox.com.

  2. In File Manager, open Shared, then the folder CCIE Enterprise Infrastructure practice guided labs.

  3. Open 02 - OSPF meets EIGRP with redistribution and filtering and start its nodes, then open Lab Tasks for the scenario and the steps.

The lab is read-only. You can start the nodes and configure the devices, but changes to the topology can’t be saved. To change it, rebuild it in your own folder.

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