Before Route Reflection is turned on in router 1: p1r2#sh ip bgp BGP table version is 3437, local router ID is 192.168.101.101 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 192.168.1.33 0 100 0 i *>i 192.168.1.17 0 100 0 i * i10.1.1.0/24 10.1.1.100 0 100 0 65200 i * i 10.1.1.100 0 100 0 65200 i * i10.3.3.0/24 10.1.1.100 0 100 0 65200 i * i 10.1.1.100 0 100 0 65200 i * i10.4.4.0/24 10.1.1.100 0 100 0 65200 i * i 10.1.1.100 0 100 0 65200 i * i172.16.10.0/24 10.1.1.100 0 100 0 65200 i * i 10.1.1.100 0 100 0 65200 i * i172.16.11.0/24 10.1.1.100 0 100 0 65200 i * i 10.1.1.100 0 100 0 65200 i * i192.168.1.0 192.168.1.33 0 100 0 i *>i 192.168.1.17 0 100 0 i *> 192.168.101.0 0.0.0.0 0 32768 i AFTER Route Reflection is turned on in router 1: p1r2#sh ip bgp BGP table version is 3481, local router ID is 192.168.101.101 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 192.168.1.33 0 100 0 i *>i 192.168.1.17 0 100 0 i * i10.1.1.0/24 10.1.1.100 0 100 0 65200 i * i 10.1.1.100 0 100 0 65200 i * i10.3.3.0/24 10.1.1.100 0 100 0 65200 i * i 10.1.1.100 0 100 0 65200 i * i10.4.4.0/24 10.1.1.100 0 100 0 65200 i * i 10.1.1.100 0 100 0 65200 i * i172.16.10.0/24 10.1.1.100 0 100 0 65200 i * i 10.1.1.100 0 100 0 65200 i * i172.16.11.0/24 10.1.1.100 0 100 0 65200 i * i 10.1.1.100 0 100 0 65200 i * i172.26.1.16/28 192.168.1.50 0 100 0 i * i 192.168.1.50 0 100 0 i * i172.26.1.32/28 192.168.1.50 0 100 0 i * i 192.168.1.50 0 100 0 i * i172.26.1.48/28 192.168.1.50 0 100 0 i * i 192.168.1.50 0 100 0 i Network Next Hop Metric LocPrf Weight Path * i192.168.1.0 192.168.1.33 0 100 0 i *>i 192.168.1.17 0 100 0 i * i192.168.1.48/28 192.168.1.50 0 100 0 i * i 192.168.1.50 0 100 0 i *> 192.168.101.0 0.0.0.0 0 32768 i BEFORE: p1r2#sh 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 B 10.0.0.0/8 [200/0] via 192.168.1.17, 00:00:06 192.168.1.0/24 is variably subnetted, 3 subnets, 2 masks C 192.168.1.32/28 is directly connected, Serial1 B 192.168.1.0/24 [200/0] via 192.168.1.17, 00:00:06 C 192.168.1.16/28 is directly connected, Serial0 C 192.168.101.0/24 is directly connected, Loopback10 AFTER: p1r2#sh 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 172.16.0.0/24 is subnetted, 2 subnets B 172.16.10.0 [200/0] via 10.1.1.100, 00:00:27 B 172.16.11.0 [200/0] via 10.1.1.100, 00:00:27 172.26.0.0/28 is subnetted, 3 subnets B 172.26.1.48 [200/0] via 192.168.1.50, 00:00:27 B 172.26.1.32 [200/0] via 192.168.1.50, 00:00:27 B 172.26.1.16 [200/0] via 192.168.1.50, 00:00:27 10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks B 10.4.4.0/24 [200/0] via 10.1.1.100, 00:00:27 B 10.3.3.0/24 [200/0] via 10.1.1.100, 00:00:27 B 10.1.1.0/24 [200/0] via 10.1.1.100, 00:00:27 B 10.0.0.0/8 [200/0] via 192.168.1.17, 00:09:11 192.168.1.0/24 is variably subnetted, 4 subnets, 2 masks C 192.168.1.32/28 is directly connected, Serial1 B 192.168.1.48/28 [200/0] via 192.168.1.50, 00:00:28 B 192.168.1.0/24 [200/0] via 192.168.1.17, 00:09:13 C 192.168.1.16/28 is directly connected, Serial0 C 192.168.101.0/24 is directly connected, Loopback10 ____________________________________________________________________ BEFORE: p1r3#sh ip bgp BGP table version is 3431, local router ID is 172.26.1.49 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *>i10.0.0.0 192.168.1.49 0 100 0 i * i10.1.1.0/24 10.1.1.100 0 100 0 65200 i * i10.3.3.0/24 10.1.1.100 0 100 0 65200 i * i10.4.4.0/24 10.1.1.100 0 100 0 65200 i * i172.16.10.0/24 10.1.1.100 0 100 0 65200 i * i172.16.11.0/24 10.1.1.100 0 100 0 65200 i *> 172.26.1.16/28 0.0.0.0 0 32768 i *> 172.26.1.32/28 0.0.0.0 0 32768 i *> 172.26.1.48/28 0.0.0.0 0 32768 i *>i192.168.1.0 192.168.1.49 0 100 0 i *> 192.168.1.48/28 0.0.0.0 0 32768 i AFTER: p1r3#sh ip bgp BGP table version is 3481, local router ID is 172.26.1.49 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *>i10.0.0.0 192.168.1.49 0 100 0 i *>i10.1.1.0/24 10.1.1.100 0 100 0 65200 i *>i10.3.3.0/24 10.1.1.100 0 100 0 65200 i *>i10.4.4.0/24 10.1.1.100 0 100 0 65200 i *>i172.16.10.0/24 10.1.1.100 0 100 0 65200 i *>i172.16.11.0/24 10.1.1.100 0 100 0 65200 i *> 172.26.1.16/28 0.0.0.0 0 32768 i *> 172.26.1.32/28 0.0.0.0 0 32768 i *> 172.26.1.48/28 0.0.0.0 0 32768 i *>i192.168.1.0 192.168.1.49 0 100 0 i *> 192.168.1.48/28 0.0.0.0 0 32768 i *>i192.168.101.0 192.168.1.18 0 100 0 i BEFORE: p1r3#sh 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 172.26.0.0/28 is subnetted, 3 subnets C 172.26.1.48 is directly connected, Loopback13 C 172.26.1.32 is directly connected, Loopback12 C 172.26.1.16 is directly connected, Loopback11 B 10.0.0.0/8 [200/0] via 192.168.1.49, 00:07:49 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.48/28 is directly connected, Serial0 B 192.168.1.0/24 [200/0] via 192.168.1.49, 00:07:49 B 192.168.101.0/24 [200/0] via 192.168.1.18, 00:07:43 AFTER: p1r3#sh 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 172.16.0.0/24 is subnetted, 2 subnets B 172.16.10.0 [200/0] via 10.1.1.100, 00:00:17 B 172.16.11.0 [200/0] via 10.1.1.100, 00:00:17 172.26.0.0/28 is subnetted, 3 subnets C 172.26.1.48 is directly connected, Loopback13 C 172.26.1.32 is directly connected, Loopback12 C 172.26.1.16 is directly connected, Loopback11 10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks B 10.4.4.0/24 [200/0] via 10.1.1.100, 00:00:17 B 10.3.3.0/24 [200/0] via 10.1.1.100, 00:00:17 B 10.1.1.0/24 [200/0] via 10.1.1.100, 00:00:17 B 10.0.0.0/8 [200/0] via 192.168.1.49, 00:02:45 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.48/28 is directly connected, Serial0 B 192.168.1.0/24 [200/0] via 192.168.1.49, 00:02:47