Discard these routing tables R2 --- 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.4.1, 00:00:14, Ethernet0 R 130.10.9.0 [120/1] via 130.10.4.2, 00:00:07, Ethernet0 R 130.10.10.0 [120/1] via 130.10.4.2, 00:00:07, Ethernet0 R 130.10.11.0 [120/1] via 130.10.4.3, 00:00:05, Ethernet0 R 130.10.12.0 [120/1] via 130.10.4.3, 00:00:05, Ethernet0 R 130.10.1.0 [120/1] via 130.10.4.1, 00:00:14, Ethernet0 R 130.10.2.0 [120/1] via 130.10.4.3, 00:00:05, Ethernet0 R 130.10.3.0 [120/1] via 130.10.4.2, 00:00:07, Ethernet0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/2] via 130.10.4.2, 00:00:08, Ethernet0 [120/2] via 130.10.4.1, 00:00:15, Ethernet0 [120/2] via 130.10.4.3, 00:00:06, Ethernet0 R 130.10.6.0 [120/2] via 130.10.4.2, 00:00:08, Ethernet0 [120/2] via 130.10.4.1, 00:00:15, Ethernet0 [120/2] via 130.10.4.3, 00:00:07, Ethernet0 R 130.10.7.0 [120/1] via 130.10.4.1, 00:00:16, Ethernet0 R2# R3 ---- Gateway of last resort is not set 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.4.1, 00:00:19, Ethernet0 R 130.10.9.0 [120/1] via 130.10.4.2, 00:00:14, Ethernet0 R 130.10.10.0 [120/1] via 130.10.4.2, 00:00:14, Ethernet0 C 130.10.11.0 is directly connected, Loopback0 C 130.10.12.0 is directly connected, Loopback1 R 130.10.1.0 [120/1] via 130.10.2.1, 00:00:06, Serial0 [120/1] via 130.10.4.1, 00:00:19, Ethernet0 C 130.10.2.0 is directly connected, Serial0 R 130.10.3.0 [120/1] via 130.10.2.1, 00:00:06, Serial0 [120/1] via 130.10.4.2, 00:00:14, Ethernet0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/1] via 130.10.2.1, 00:00:06, Serial0 R 130.10.6.0 [120/1] via 130.10.2.1, 00:00:06, Serial0 R 130.10.7.0 [120/1] via 130.10.4.1, 00:00:20, Ethernet0 R3# R4 --- 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.4.1, 00:00:08, Ethernet0 C 130.10.9.0 is directly connected, Loopback0 C 130.10.10.0 is directly connected, Loopback1 R 130.10.11.0 [120/1] via 130.10.4.3, 00:00:00, Ethernet0 R 130.10.12.0 [120/1] via 130.10.4.3, 00:00:00, Ethernet0 R 130.10.1.0 [120/1] via 130.10.3.1, 00:00:00, Serial0 [120/1] via 130.10.4.1, 00:00:08, Ethernet0 R 130.10.2.0 [120/1] via 130.10.3.1, 00:00:00, Serial0 [120/1] via 130.10.4.3, 00:00:00, Ethernet0 C 130.10.3.0 is directly connected, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/1] via 130.10.3.1, 00:00:00, Serial0 R 130.10.6.0 [120/1] via 130.10.3.1, 00:00:00, Serial0 R 130.10.7.0 [120/1] via 130.10.4.1, 00:00:09, Ethernet0 R4# R5 ---- Gateway of last resort is not set 130.10.0.0/24 is subnetted, 12 subnets C 130.10.8.0 is directly connected, Loopback1 R 130.10.9.0 [120/1] via 130.10.4.2, 00:00:11, Ethernet0 R 130.10.10.0 [120/1] via 130.10.4.2, 00:00:11, Ethernet0 R 130.10.11.0 [120/1] via 130.10.4.3, 00:00:10, Ethernet0 R 130.10.12.0 [120/1] via 130.10.4.3, 00:00:10, Ethernet0 C 130.10.1.0 is directly connected, Serial0 R 130.10.2.0 [120/1] via 130.10.1.1, 00:00:07, Serial0 [120/1] via 130.10.4.3, 00:00:10, Ethernet0 R 130.10.3.0 [120/1] via 130.10.1.1, 00:00:07, Serial0 [120/1] via 130.10.4.2, 00:00:11, Ethernet0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/1] via 130.10.1.1, 00:00:07, Serial0 R 130.10.6.0 [120/1] via 130.10.1.1, 00:00:07, Serial0 C 130.10.7.0 is directly connected, Loopback0 R5# R6 --- R6#show ip route Codes: C - connected, S - static, I - IGRP, 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, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route, o - ODR Gateway of last resort is not set 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.1.2, 00:00:15, Serial0 R 130.10.9.0 [120/1] via 130.10.3.2, 00:00:15, Serial2 R 130.10.10.0 [120/1] via 130.10.3.2, 00:00:15, Serial2 R 130.10.11.0 [120/1] via 130.10.2.2, 00:00:15, Serial1 R 130.10.12.0 [120/1] via 130.10.2.2, 00:00:15, Serial1 C 130.10.1.0 is directly connected, Serial0 C 130.10.2.0 is directly connected, Serial1 C 130.10.3.0 is directly connected, Serial2 R 130.10.4.0 [120/1] via 130.10.3.2, 00:00:15, Serial2 [120/1] via 130.10.1.2, 00:00:15, Serial0 [120/1] via 130.10.2.2, 00:00:16, Serial1 C 130.10.5.0 is directly connected, Loopback0 C 130.10.6.0 is directly connected, Loopback1 R 130.10.7.0 [120/1] via 130.10.1.2, 00:00:00, Serial0 R6# ===================================================== Before Section 1 ------------------ R2: Gateway of last resort is not set 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.4.1, 00:00:02, Ethernet0 R 130.10.9.0 [120/1] via 130.10.4.2, 00:00:09, Ethernet0 R 130.10.10.0 [120/1] via 130.10.4.2, 00:00:09, Ethernet0 R 130.10.11.0 [120/1] via 130.10.4.3, 00:00:09, Ethernet0 R 130.10.12.0 [120/1] via 130.10.4.3, 00:00:09, Ethernet0 R 130.10.1.0 [120/1] via 130.10.4.1, 00:00:03, Ethernet0 R 130.10.2.0 [120/1] via 130.10.4.3, 00:00:09, Ethernet0 R 130.10.3.0 [120/1] via 130.10.4.2, 00:00:09, Ethernet0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/2] via 130.10.4.1, 00:00:03, Ethernet0 [120/2] via 130.10.4.2, 00:00:09, Ethernet0 [120/2] via 130.10.4.3, 00:00:10, Ethernet0 R 130.10.6.0 [120/2] via 130.10.4.1, 00:00:03, Ethernet0 [120/2] via 130.10.4.2, 00:00:10, Ethernet0 [120/2] via 130.10.4.3, 00:00:10, Ethernet0 R 130.10.7.0 [120/1] via 130.10.4.1, 00:00:05, Ethernet0 --------------------- R3 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/2] via 130.10.2.1, 00:00:20, Serial0 R 130.10.9.0 [120/2] via 130.10.2.1, 00:00:20, Serial0 R 130.10.10.0 [120/2] via 130.10.2.1, 00:00:21, Serial0 C 130.10.11.0 is directly connected, Loopback0 C 130.10.12.0 is directly connected, Loopback1 R 130.10.1.0 [120/1] via 130.10.2.1, 00:00:21, Serial0 C 130.10.2.0 is directly connected, Serial0 R 130.10.3.0 [120/1] via 130.10.2.1, 00:00:21, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/1] via 130.10.2.1, 00:00:21, Serial0 R 130.10.6.0 [120/1] via 130.10.2.1, 00:00:21, Serial0 R 130.10.7.0 [120/2] via 130.10.2.1, 00:00:21, Serial0 R3# ----------------------- R4# 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/2] via 130.10.3.1, 00:00:07, Serial0 C 130.10.9.0 is directly connected, Loopback0 C 130.10.10.0 is directly connected, Loopback1 R 130.10.11.0 [120/2] via 130.10.3.1, 00:00:08, Serial0 R 130.10.12.0 [120/2] via 130.10.3.1, 00:00:08, Serial0 R 130.10.1.0 [120/1] via 130.10.3.1, 00:00:08, Serial0 R 130.10.2.0 [120/1] via 130.10.3.1, 00:00:08, Serial0 C 130.10.3.0 is directly connected, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/1] via 130.10.3.1, 00:00:08, Serial0 R 130.10.6.0 [120/1] via 130.10.3.1, 00:00:08, Serial0 R 130.10.7.0 [120/2] via 130.10.3.1, 00:00:09, Serial0 -------------------- R5 130.10.0.0/24 is subnetted, 12 subnets C 130.10.8.0 is directly connected, Loopback1 R 130.10.9.0 [120/2] via 130.10.1.1, 00:00:04, Serial0 R 130.10.10.0 [120/2] via 130.10.1.1, 00:00:05, Serial0 R 130.10.11.0 [120/2] via 130.10.1.1, 00:00:05, Serial0 R 130.10.12.0 [120/2] via 130.10.1.1, 00:00:05, Serial0 C 130.10.1.0 is directly connected, Serial0 R 130.10.2.0 [120/1] via 130.10.1.1, 00:00:05, Serial0 R 130.10.3.0 [120/1] via 130.10.1.1, 00:00:05, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/1] via 130.10.1.1, 00:00:05, Serial0 R 130.10.6.0 [120/1] via 130.10.1.1, 00:00:05, Serial0 C 130.10.7.0 is directly connected, Loopback0 R5# R6# ----- Gateway of last resort is not set 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.1.2, 00:00:00, Serial0 R 130.10.9.0 [120/1] via 130.10.3.2, 00:00:14, Serial2 R 130.10.10.0 [120/1] via 130.10.3.2, 00:00:14, Serial2 R 130.10.11.0 [120/1] via 130.10.2.2, 00:00:00, Serial1 R 130.10.12.0 [120/1] via 130.10.2.2, 00:00:00, Serial1 C 130.10.1.0 is directly connected, Serial0 C 130.10.2.0 is directly connected, Serial1 C 130.10.3.0 is directly connected, Serial2 R 130.10.4.0 [120/1] via 130.10.2.2, 00:00:00, Serial1 [120/1] via 130.10.1.2, 00:00:00, Serial0 [120/1] via 130.10.3.2, 00:00:14, Serial2 C 130.10.5.0 is directly connected, Loopback0 C 130.10.6.0 is directly connected, Loopback1 R 130.10.7.0 [120/1] via 130.10.1.2, 00:00:03, Serial0 -----------------------------------------------------------Section 1-------------------------- 1------ R3 ---- 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/2] via 130.10.2.1, 00:00:06, Serial0 R 130.10.9.0 [120/2] via 130.10.2.1, 00:00:06, Serial0 R 130.10.10.0 [120/2] via 130.10.2.1, 00:00:06, Serial0 C 130.10.11.0 is directly connected, Loopback0 C 130.10.12.0 is directly connected, Loopback1 R 130.10.1.0 [120/1] via 130.10.2.1, 00:00:06, Serial0 C 130.10.2.0 is directly connected, Serial0 R 130.10.3.0 [120/1] via 130.10.2.1, 00:00:06, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/5] via 130.10.2.1, 00:00:06, Serial0 R 130.10.6.0 [120/1] via 130.10.2.1, 00:00:06, Serial0 R 130.10.7.0 [120/2] via 130.10.2.1, 00:00:07, Serial0 R3# R4 --- 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/2] via 130.10.3.1, 00:00:01, Serial0 C 130.10.9.0 is directly connected, Loopback0 C 130.10.10.0 is directly connected, Loopback1 R 130.10.11.0 [120/2] via 130.10.3.1, 00:00:01, Serial0 R 130.10.12.0 [120/2] via 130.10.3.1, 00:00:01, Serial0 R 130.10.1.0 [120/1] via 130.10.3.1, 00:00:01, Serial0 R 130.10.2.0 [120/1] via 130.10.3.1, 00:00:01, Serial0 C 130.10.3.0 is directly connected, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/6] via 130.10.3.1, 00:00:01, Serial0 R 130.10.6.0 [120/1] via 130.10.3.1, 00:00:01, Serial0 R 130.10.7.0 [120/2] via 130.10.3.1, 00:00:02, Serial0 R4# r5 --- 130.10.0.0/24 is subnetted, 12 subnets C 130.10.8.0 is directly connected, Loopback1 R 130.10.9.0 [120/2] via 130.10.1.1, 00:00:27, Serial0 R 130.10.10.0 [120/2] via 130.10.1.1, 00:00:28, Serial0 R 130.10.11.0 [120/2] via 130.10.1.1, 00:00:28, Serial0 R 130.10.12.0 [120/2] via 130.10.1.1, 00:00:28, Serial0 C 130.10.1.0 is directly connected, Serial0 R 130.10.2.0 [120/1] via 130.10.1.1, 00:00:28, Serial0 R 130.10.3.0 [120/1] via 130.10.1.1, 00:00:28, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/7] via 130.10.1.1, 00:00:28, Serial0 R 130.10.6.0 [120/1] via 130.10.1.1, 00:00:28, Serial0 C 130.10.7.0 is directly connected, Loopback0 R5# 2) R2 ------- 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.4.1, 00:00:11, Ethernet0 R 130.10.9.0 [120/1] via 130.10.4.2, 00:00:04, Ethernet0 R 130.10.10.0 [120/1] via 130.10.4.2, 00:00:04, Ethernet0 R 130.10.11.0 [120/1] via 130.10.4.3, 00:00:09, Ethernet0 R 130.10.12.0 [120/1] via 130.10.4.3, 00:00:09, Ethernet0 R 130.10.1.0 [120/1] via 130.10.4.1, 00:00:12, Ethernet0 R 130.10.2.0 [120/1] via 130.10.4.3, 00:00:09, Ethernet0 R 130.10.3.0 [120/1] via 130.10.4.2, 00:00:04, Ethernet0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/6] via 130.10.4.3, 00:00:09, Ethernet0 R 130.10.6.0 [120/2] via 130.10.4.1, 00:00:12, Ethernet0 [120/2] via 130.10.4.2, 00:00:05, Ethernet0 [120/2] via 130.10.4.3, 00:00:09, Ethernet0 R 130.10.7.0 [120/1] via 130.10.4.1, 00:00:12, Ethernet0 R2# R6 == 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.1.2, 00:00:18, Serial0 R 130.10.9.0 [120/1] via 130.10.3.2, 00:00:10, Serial2 R 130.10.10.0 [120/1] via 130.10.3.2, 00:00:10, Serial2 R 130.10.11.0 [120/1] via 130.10.2.2, 00:00:19, Serial1 R 130.10.12.0 [120/1] via 130.10.2.2, 00:00:19, Serial1 C 130.10.1.0 is directly connected, Serial0 C 130.10.2.0 is directly connected, Serial1 C 130.10.3.0 is directly connected, Serial2 R 130.10.4.0 [120/1] via 130.10.2.2, 00:00:19, Serial1 [120/1] via 130.10.1.2, 00:00:18, Serial0 [120/1] via 130.10.3.2, 00:00:11, Serial2 C 130.10.5.0 is directly connected, Loopback0 C 130.10.6.0 is directly connected, Loopback1 R6# ---------------------- Config... @ 3rd step R2 ============= 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.4.1, 00:00:00, Ethernet0 R 130.10.9.0 [120/1] via 130.10.4.2, 00:00:08, Ethernet0 R 130.10.10.0 [120/1] via 130.10.4.2, 00:00:08, Ethernet0 R 130.10.11.0 [120/1] via 130.10.4.3, 00:00:02, Ethernet0 R 130.10.12.0 [120/1] via 130.10.4.3, 00:00:02, Ethernet0 R 130.10.1.0 [120/1] via 130.10.4.1, 00:00:01, Ethernet0 R 130.10.2.0 [120/1] via 130.10.4.3, 00:00:02, Ethernet0 R 130.10.3.0 [120/1] via 130.10.4.2, 00:00:08, Ethernet0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/8] via 130.10.4.2, 00:00:08, Ethernet0 [120/8] via 130.10.4.3, 00:00:02, Ethernet0 [120/8] via 130.10.4.1, 00:00:02, Ethernet0 R 130.10.6.0 [120/2] via 130.10.4.2, 00:00:09, Ethernet0 [120/2] via 130.10.4.3, 00:00:02, Ethernet0 [120/2] via 130.10.4.1, 00:00:02, Ethernet0 R 130.10.7.0 [120/1] via 130.10.4.1, 00:00:04, Ethernet0 R2# R3 ===== ateway of last resort is not set 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/2] via 130.10.2.1, 00:00:05, Serial0 R 130.10.9.0 [120/2] via 130.10.2.1, 00:00:05, Serial0 R 130.10.10.0 [120/2] via 130.10.2.1, 00:00:06, Serial0 C 130.10.11.0 is directly connected, Loopback0 C 130.10.12.0 is directly connected, Loopback1 R 130.10.1.0 [120/1] via 130.10.2.1, 00:00:06, Serial0 C 130.10.2.0 is directly connected, Serial0 R 130.10.3.0 [120/1] via 130.10.2.1, 00:00:06, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/7] via 130.10.2.1, 00:00:06, Serial0 R 130.10.6.0 [120/1] via 130.10.2.1, 00:00:06, Serial0 R 130.10.7.0 [120/2] via 130.10.2.1, 00:00:06, Serial0 R3#] R4 === 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/2] via 130.10.3.1, 00:00:05, Serial0 C 130.10.9.0 is directly connected, Loopback0 C 130.10.10.0 is directly connected, Loopback1 R 130.10.11.0 [120/2] via 130.10.3.1, 00:00:05, Serial0 R 130.10.12.0 [120/2] via 130.10.3.1, 00:00:05, Serial0 R 130.10.1.0 [120/1] via 130.10.3.1, 00:00:05, Serial0 R 130.10.2.0 [120/1] via 130.10.3.1, 00:00:05, Serial0 C 130.10.3.0 is directly connected, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/7] via 130.10.3.1, 00:00:05, Serial0 R 130.10.6.0 [120/1] via 130.10.3.1, 00:00:05, Serial0 R 130.10.7.0 [120/2] via 130.10.3.1, 00:00:06, Serial0 R4# R5 === 130.10.0.0/24 is subnetted, 12 subnets C 130.10.8.0 is directly connected, Loopback1 R 130.10.9.0 [120/2] via 130.10.1.1, 00:00:23, Serial0 R 130.10.10.0 [120/2] via 130.10.1.1, 00:00:24, Serial0 R 130.10.11.0 [120/2] via 130.10.1.1, 00:00:24, Serial0 R 130.10.12.0 [120/2] via 130.10.1.1, 00:00:24, Serial0 C 130.10.1.0 is directly connected, Serial0 R 130.10.2.0 [120/1] via 130.10.1.1, 00:00:24, Serial0 R 130.10.3.0 [120/1] via 130.10.1.1, 00:00:24, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/7] via 130.10.1.1, 00:00:24, Serial0 R 130.10.6.0 [120/1] via 130.10.1.1, 00:00:24, Serial0 C 130.10.7.0 is directly connected, Loopback0 R5# R6 ==== 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.1.2, 00:00:14, Serial0 R 130.10.9.0 [120/1] via 130.10.3.2, 00:00:24, Serial2 R 130.10.10.0 [120/1] via 130.10.3.2, 00:00:24, Serial2 R 130.10.11.0 [120/1] via 130.10.2.2, 00:00:21, Serial1 R 130.10.12.0 [120/1] via 130.10.2.2, 00:00:21, Serial1 C 130.10.1.0 is directly connected, Serial0 C 130.10.2.0 is directly connected, Serial1 C 130.10.3.0 is directly connected, Serial2 R 130.10.4.0 [120/1] via 130.10.2.2, 00:00:21, Serial1 [120/1] via 130.10.1.2, 00:00:14, Serial0 [120/1] via 130.10.3.2, 00:00:24, Serial2 C 130.10.5.0 is directly connected, Loopback0 C 130.10.6.0 is directly connected, Loopback1 R 130.10.7.0 [120/1] via 130.10.1.2, 00:00:15, Serial0 R6# =========================== Step # 5 On R2 ===== offset-list 20 in 4 access-list 20 permit 130.10.5.0 0.0.0.255 Show ip route results ------------------------ R2 ---- 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.4.1, 00:00:05, Ethernet0 R 130.10.9.0 [120/1] via 130.10.4.2, 00:00:14, Ethernet0 R 130.10.10.0 [120/1] via 130.10.4.2, 00:00:14, Ethernet0 R 130.10.11.0 [120/1] via 130.10.4.3, 00:00:10, Ethernet0 R 130.10.12.0 [120/1] via 130.10.4.3, 00:00:10, Ethernet0 R 130.10.1.0 [120/1] via 130.10.4.1, 00:00:05, Ethernet0 R 130.10.2.0 [120/1] via 130.10.4.3, 00:00:10, Ethernet0 R 130.10.3.0 [120/1] via 130.10.4.2, 00:00:14, Ethernet0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/12] via 130.10.4.2, 00:00:14, Ethernet0 [120/12] via 130.10.4.3, 00:00:10, Ethernet0 [120/12] via 130.10.4.1, 00:00:06, Ethernet0 R 130.10.6.0 [120/2] via 130.10.4.2, 00:00:15, Ethernet0 [120/2] via 130.10.4.3, 00:00:11, Ethernet0 [120/2] via 130.10.4.1, 00:00:06, Ethernet0 R 130.10.7.0 [120/1] via 130.10.4.1, 00:00:08, Ethernet0 R2# R3 ---- Gateway of last resort is not set 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/2] via 130.10.2.1, 00:00:02, Serial0 R 130.10.9.0 [120/2] via 130.10.2.1, 00:00:02, Serial0 R 130.10.10.0 [120/2] via 130.10.2.1, 00:00:03, Serial0 C 130.10.11.0 is directly connected, Loopback0 C 130.10.12.0 is directly connected, Loopback1 R 130.10.1.0 [120/1] via 130.10.2.1, 00:00:03, Serial0 C 130.10.2.0 is directly connected, Serial0 R 130.10.3.0 [120/1] via 130.10.2.1, 00:00:03, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/7] via 130.10.2.1, 00:00:03, Serial0 R 130.10.6.0 [120/1] via 130.10.2.1, 00:00:03, Serial0 R 130.10.7.0 [120/2] via 130.10.2.1, 00:00:04, Serial0 R3# R4 ---- 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/2] via 130.10.3.1, 00:00:24, Serial0 C 130.10.9.0 is directly connected, Loopback0 C 130.10.10.0 is directly connected, Loopback1 R 130.10.11.0 [120/2] via 130.10.3.1, 00:00:24, Serial0 R 130.10.12.0 [120/2] via 130.10.3.1, 00:00:24, Serial0 R 130.10.1.0 [120/1] via 130.10.3.1, 00:00:24, Serial0 R 130.10.2.0 [120/1] via 130.10.3.1, 00:00:24, Serial0 C 130.10.3.0 is directly connected, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/7] via 130.10.3.1, 00:00:24, Serial0 R 130.10.6.0 [120/1] via 130.10.3.1, 00:00:24, Serial0 R 130.10.7.0 [120/2] via 130.10.3.1, 00:00:25, Serial0 R4# R5 --- 130.10.0.0/24 is subnetted, 12 subnets C 130.10.8.0 is directly connected, Loopback1 R 130.10.9.0 [120/2] via 130.10.1.1, 00:00:08, Serial0 R 130.10.10.0 [120/2] via 130.10.1.1, 00:00:08, Serial0 R 130.10.11.0 [120/2] via 130.10.1.1, 00:00:08, Serial0 R 130.10.12.0 [120/2] via 130.10.1.1, 00:00:08, Serial0 C 130.10.1.0 is directly connected, Serial0 R 130.10.2.0 [120/1] via 130.10.1.1, 00:00:08, Serial0 R 130.10.3.0 [120/1] via 130.10.1.1, 00:00:08, Serial0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/7] via 130.10.1.1, 00:00:08, Serial0 R 130.10.6.0 [120/1] via 130.10.1.1, 00:00:09, Serial0 C 130.10.7.0 is directly connected, Loopback0 R5# R6 ---- 130.10.0.0/24 is subnetted, 12 subnets R 130.10.8.0 [120/1] via 130.10.1.2, 00:00:18, Serial0 R 130.10.9.0 [120/1] via 130.10.3.2, 00:00:25, Serial2 R 130.10.10.0 [120/1] via 130.10.3.2, 00:00:25, Serial2 R 130.10.11.0 [120/1] via 130.10.2.2, 00:00:22, Serial1 R 130.10.12.0 [120/1] via 130.10.2.2, 00:00:22, Serial1 C 130.10.1.0 is directly connected, Serial0 C 130.10.2.0 is directly connected, Serial1 C 130.10.3.0 is directly connected, Serial2 R 130.10.4.0 [120/1] via 130.10.2.2, 00:00:22, Serial1 [120/1] via 130.10.1.2, 00:00:18, Serial0 [120/1] via 130.10.3.2, 00:00:26, Serial2 C 130.10.5.0 is directly connected, Loopback0 C 130.10.6.0 is directly connected, Loopback1 R 130.10.7.0 [120/1] via 130.10.1.2, 00:00:19, Serial0 R6# ========================== SECTION # 2 ============================= Disable all offset list commands on every router first Router(config-router)#no offset-list 0 in Router(config-router)#no offset-list 0 out Part1) R3 --- distribute-list 10 out e0 no ip classless access-list 10 permit 130.10.11.0 0.0.0.255 access-list 10 permit 130.10.12.0 0.0.0.255 access-list 10 permit 130.10.5.0 0.0.0.255 access-list 10 permit 130.10.6.0 0.0.0.255 ! R5 ---- distribute-list 10 out e0 no ip classless access-list 10 permit 130.10.8.0 0.0.0.255 access-list 10 permit 130.10.7.0 0.0.0.255 access-list 10 permit 130.10.5.0 0.0.0.255 access-list 10 permit 130.10.6.0 0.0.0.255 R4 ---- distribute-list 10 out e0 no ip classless access-list 10 permit 130.10.10.0 0.0.0.255 access-list 10 permit 130.10.9.0 0.0.0.255 access-list 10 permit 130.10.5.0 0.0.0.255 access-list 10 permit 130.10.6.0 0.0.0.255 R2 ------ 130.10.0.0/24 is subnetted, 9 subnets R 130.10.8.0 [120/1] via 130.10.4.1, 00:00:15, Ethernet0 R 130.10.9.0 [120/1] via 130.10.4.2, 00:00:05, Ethernet0 R 130.10.10.0 [120/1] via 130.10.4.2, 00:00:06, Ethernet0 R 130.10.11.0 [120/1] via 130.10.4.3, 00:00:06, Ethernet0 R 130.10.12.0 [120/1] via 130.10.4.3, 00:00:06, Ethernet0 C 130.10.4.0 is directly connected, Ethernet0 R 130.10.5.0 [120/2] via 130.10.4.3, 00:00:06, Ethernet0 [120/2] via 130.10.4.2, 00:00:06, Ethernet0 [120/2] via 130.10.4.1, 00:00:16, Ethernet0 R 130.10.6.0 [120/2] via 130.10.4.3, 00:00:06, Ethernet0 [120/2] via 130.10.4.2, 00:00:06, Ethernet0 [120/2] via 130.10.4.1, 00:00:16, Ethernet0 R 130.10.7.0 [120/1] via 130.10.4.1, 00:00:16, Ethernet0 R2# Part (2) On router R2 ---------------