CCNPv7 ROUTE Lab2-2 EIGRP-Stub-Routing Student | Router (Computing)

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CCNPv7 ROUTE Lab2-2 EIGRP
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    © 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public.  Page 1 of 9 CCNPv7 ROUTE Chapter 2 Lab 2-2, EIGRP Stub Routing Topology Objectives ã  Configure basic EIGRP. ã  Configure EIGRP stub routing options. ã  Verify EIGRP stub routing options Background To improve network stability and reduce resource utilization on the HQ network you have decided to configure one of the branch routers, R2 as an EIGRP stub router. Note:  This lab uses Cisco 1941 routers with Cisco IOS Release 15.4 with IP Base. The switches are Cisco WS-C2960-24TT-L with Fast Ethernet interfaces, therefore the router will use routing metrics associated with a 100 Mb/s interface. Depending on the router or switch model and Cisco IOS Software version, the commands available and output produced might vary from what is shown in this lab. Required Resources ã  3 routers (Cisco IOS Release 15.2 or comparable) ã  3 switches (LAN interfaces)  CCNPv7 ROUTE  Lab 2-2, EIGRP Stub Routing © 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public.  Page 2 of 9 ã  Serial and Ethernet cables Step 0: Suggested starting configurations. a. Apply the following configuration to each router along with the appropriate hostname . The exec-timeout 0 0  command should only be used in a lab environment. Router(config)# no ip domain-lookup Router(config)# line con 0  Router(config-line)# logging synchronous  Router(config-line)# exec-timeout 0 0 Step 1: Configure the addressing and serial links. a. Using the addressing scheme in the diagram, configure the interfaces on each router. R1(config)# interface gigabitethernet 0/0  R1(config-if)# ip address 10.1.1.1 255.255.255.0  R1(config-if)# no shutdown R1(config-if)# exit  R1(config)# interface serial 0/0/0 R1(config-if)# ip address 10.2.2.1 255.255.255.252 R1(config-if)# clock rate 64000  R1(config-if)# no shutdown R1(config-if)# exit  R2(config)# interface serial 0/0/0  R2(config-if)# ip address 10.2.2.2 255.255.255.252  R2(config-if)# no shutdown  R2(config-if)# exit  R2(config)# interface gigabitethernet 0/0  R2(config-if)# ip address 10.3.3.1 255.255.255.0 R2(config-if)# no shutdown  R2(config-if)# exit  R2(config)# interface serial 0/0/1 R2(config-if)# ip address 10.4.4.1 255.255.255.252 R2(config-if)# clockrate 64000 R2(config-if)# no shutdown  R2(config-if)# exit R2(config)# interface Loopback1 R2(config-if)# ip address 192.168.1.1 255.255.255.252  R2(config-if)# exit  R2(config)# interface Loopback2  R2(config-if)# ip address 192.168.2.1 255.255.255.252 R2(config-if)# exit  R2(config)# interface Loopback3 R2(config-if)# ip address 192.168.3.1 255.255.255.252 R2(config-if)#  exit  R2(config)# interface Loopback4  R2(config-if)# ip address 192.168.4.1 255.255.255.252 R2(config-if)#  exit  R3(config)# interface serial 0/0/1  R3(config-if)# ip address 10.4.4.2 255.255.255.252 R3(config-if)# no shutdown R3(config-if)# exit  R3(config)# interface gigabitethernet 0/0  R3(config-if)# ip address 10.1.5.1 255.255.255.0  R3(config-if)# no shutdown    CCNPv7 ROUTE  Lab 2-2, EIGRP Stub Routing © 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public.  Page 3 of 9 R3(config-if)# exit   b. Verify connectivity by pinging across each of the local networks connected to each router. c. Issue the show ip interface brief command on each router. This command displays a brief listing of the interfaces, their status, and their IP addresses. Router R2 is shown as an example. R2# show ip interface brief  Interface IP-Address OK? Method Status Protocol Embedded-Service-Engine0/0 unassigned YES unset administratively down down GigabitEthernet0/0 10.3.3.1 YES manual up up Serial0/0/0 10.2.2.2 YES manual up up Serial0/0/1 10.4.4.1 YES manual up up R2# Step 2: Configure EIGRP. a. Enable EIGRP AS 100 for all interfaces on R1 and R2. For your reference, these are the commands which can be used: R1(config)# router eigrp 100  R1(config-router)# network 10.0.0.0  R2(config)# router eigrp 100  R2(config-router)# network 10.0.0.0 R2(config-router)# network 192.168.0.0 0.0.255.255 b. Summarize R2’s loopback interfaces in its EIGRP update to R1 using manual summarization. R2(config)# interface serial 0/0/0  R2(config-if)# ip summary-address eigrp 100 192.168.0.0 255.255.248.0   c. Configure a static route on R2 to R3’s LAN. Configure a default static route on R3 forwarding all traffic to R2. R2(config)# ip route 10.1.5.0 255.255.255.0 10.4.4.2 R3(config)# ip route 0.0.0.0 0.0.0.0 10.4.4.1   d. Verify that R2 and R3 can ping the other’s LAN intefaces. R2#  ping 10.1.5.1  Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.1.5.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 28/28/28 ms R2# R3#  ping 10.3.3.1   Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.3.3.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 28/28/28 ms R3#  CCNPv7 ROUTE  Lab 2-2, EIGRP Stub Routing © 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public.  Page 4 of 9 e. Verify the EIGRP the neighbor relationship between R1 and R2 with the show ip eigrp neighbors command. Verify that R1 is receiving a summary route for R2’s loopback networks. The output for R2 is as follows. R2# show ip eigrp neighbors  EIGRP-IPv4 Neighbors for AS(100) H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num0 10.2.2.1 Se0/0/0 12 00:51:26 363 2178 0 9 R2# f. Examine R1’s routing table with the show ip route eigrp  command. R1# show ip route  Codes: L - local, C - connected, S - static, R - RIP, M- mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP a - application route + - replicated route, %- next hop override Gateway of last resort is not set 10.0.0.0/8 is variably subnetted, 6 subnets, 3 masks C 10.1.1.0/24 is directly connected, GigabitEthernet0/0 L 10.1.1.1/32 is directly connected, GigabitEthernet0/0 C 10.2.2.0/30 is directly connected, Serial0/0/0 L 10.2.2.1/32 is directly connected, Serial0/0/0 D 10.3.3.0/30 [90/2172416] via 10.2.2.2, 00:52:58, Serial0/0/0 D 10.4.4.0/30 [90/2681856] via 10.2.2.2, 00:52:58, Serial0/0/0 D 192.168.0.0/21 [90/2297856] via 10.2.2.2, 00:47:02, Serial0/0/0 R1# Does R1 have a route to R3’s LAN? Why or why not.  ______________________________________________________________________________  ______________________________________________________________________________ Step 3: Configure and verify EIGRP stub routing. a. EIGRP stub routing feature enable you to limit the EIGRP Query messages scope in the network. Routers configured as stubs do not forward EIGRP learned routes to other neighbors. Use the eigrp stub  command to configure a router as a stub where the router directs all IP traffic to a distribution router. The eigrp stub  command can be modified with several options, and these options can be used in any combination except for the receive-only  keyword. The receive-only  keyword will restrict the router from sharing any of its routes with any other router in that EIGRP autonomous system, and the receive-only  keyword will not permit any other option to be specified because it prevents any type of route from being sent. The four other optional keywords ( connected , static , summary , and redistributed ) can be used in any combination but cannot be used with the receive-only  keyword.
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