13.12 - No Null routes are permitted on CAT1 - in the workbook it states
that a distribute-list will not work as the route is generated and not a
learned route. I configured it with a distribute-list and it worked fine.
Unless I am missing something,
Configuration below - Can someone explain why or is the workbook incorrect
CAT1-
r outer bgp 10101
no synchronization
bgp log-neighbor-changes
network 150.100.81.0 mask 255.255.255.0
network 150.101.12.0 mask 255.255.255.0
network 150.101.13.0 mask 255.255.255.0
network 150.101.14.0 mask 255.255.255.0
network 200.0.0.11 mask 255.255.255.255
aggregate-address 200.11.0.0 255.255.248.0 summary-only
neighbor 150.101.12.2 remote-as 10101
neighbor 150.101.12.2 route-reflector-client
neighbor 150.101.13.3 remote-as 10101
neighbor 150.101.13.3 route-reflector-client
neighbor 150.101.14.4 remote-as 10101
neighbor 150.101.14.4 route-reflector-client
neighbor 150.101.14.4 unsuppress-map CAT4-TASK11
distribute-list prefix Null in
no auto-summary
ip prefix-list Null seq 5 deny 200.11.0.0/21
ip prefix-list Null seq 10 permit 0.0.0.0/0 le 32
Cat3550-1(config-router)#do sh ip bgp
BGP table version is 28, local router ID is 200.0.0.11
Status codes: s suppressed, d damped, h history, * valid, > best, i -
internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 150.100.81.0/24 0.0.0.0 0 32768 i
*> 150.101.12.0/24 0.0.0.0 0 32768 i
* i 150.101.12.2 0 100 0 i
*> 150.101.13.0/24 0.0.0.0 0 32768 i
* i 150.101.13.3 0 100 0 i
*> 150.101.14.0/24 0.0.0.0 0 32768 i
* i 150.101.14.4 0 100 0 i
*> 200.0.0.11/32 0.0.0.0 0 32768 i
*>i200.0.0.12/32 150.101.12.2 0 100 0 i
*>i200.0.0.14/32 150.101.14.4 0 100 0 i
r> 200.11.0.0/21 0.0.0.0 32768 i
s>i200.11.1.0 150.101.12.2 0 100 0 i
s>i200.11.2.0 150.101.12.2 0 100 0 i
s>i200.11.3.0 150.101.12.2 0 100 0 i
s>i200.11.4.0 150.101.12.2 0 100 0 i
Network Next Hop Metric LocPrf Weight Path
s>i200.11.5.0 150.101.12.2 0 100 0 i
s>i200.11.6.0 150.101.12.2 0 100 0 i
sh ip route
B 200.11.4.0/24 [200/0] via 150.101.12.2, 00:07:44
B 200.11.5.0/24 [200/0] via 150.101.12.2, 00:07:44
B 200.11.6.0/24 [200/0] via 150.101.12.2, 00:07:44
200.0.0.0/32 is subnetted, 3 subnets
C 200.0.0.11 is directly connected, Loopback0
B 200.0.0.12 [200/0] via 150.101.12.2, 00:07:44
B 200.0.0.14 [200/0] via 150.101.14.4, 00:07:44
B 200.11.1.0/24 [200/0] via 150.101.12.2, 00:07:44
B 200.11.2.0/24 [200/0] via 150.101.12.2, 00:07:44
B 200.11.3.0/24 [200/0] via 150.101.12.2, 00:07:44
150.100.0.0/24 is subnetted, 1 subnets
C 150.100.81.0 is directly connected, Vlan2200
150.101.0.0/24 is subnetted, 3 subnets
C 150.101.14.0 is directly connected, FastEthernet0/19
C 150.101.13.0 is directly connected, FastEthernet0/21
C 150.101.12.0 is directly connected, FastEthernet0/23
Other requirements are still being met on the other nodes (13.10,13.11)
CAT4
Sh ip route
B 200.11.4.0/24 [200/0] via 150.101.12.2, 00:00:16
B 200.11.5.0/24 [200/0] via 150.101.12.2, 00:00:16
B 200.11.6.0/24 [200/0] via 150.101.12.2, 00:00:16
200.0.0.0/32 is subnetted, 3 subnets
B 200.0.0.11 [200/0] via 150.101.14.1, 00:00:21
B 200.0.0.12 [200/0] via 150.101.12.2, 00:00:16
C 200.0.0.14 is directly connected, Loopback0
B 200.11.1.0/24 [200/0] via 150.101.12.2, 00:00:16
B 200.11.2.0/24 [200/0] via 150.101.12.2, 00:00:16
B 200.11.3.0/24 [200/0] via 150.101.12.2, 00:00:16
150.100.0.0/24 is subnetted, 1 subnets
B 150.100.81.0 [200/0] via 150.101.14.1, 00:00:22
150.101.0.0/24 is subnetted, 3 subnets
C 150.101.14.0 is directly connected, FastEthernet0/19
B 150.101.13.0 [200/0] via 150.101.14.1, 00:00:22
B 150.101.12.0 [200/0] via 150.101.14.1, 00:00:22
B 200.11.0.0/21 [200/0] via 150.101.14.1, 00:00:57
CAT3
sh ip route
Gateway of last resort is not set
200.0.0.0/32 is subnetted, 4 subnets
B 200.0.0.11 [200/0] via 150.101.13.1, 00:01:38
B 200.0.0.12 [200/0] via 150.101.12.2, 00:01:33
C 200.0.0.13 is directly connected, Loopback0
B 200.0.0.14 [200/0] via 150.101.14.4, 00:01:33
150.100.0.0/24 is subnetted, 1 subnets
B 150.100.81.0 [200/0] via 150.101.13.1, 00:01:38
150.101.0.0/24 is subnetted, 3 subnets
B 150.101.14.0 [200/0] via 150.101.13.1, 00:01:38
C 150.101.13.0 is directly connected, FastEthernet0/21
B 150.101.12.0 [200/0] via 150.101.13.1, 00:01:39
B 200.11.0.0/21 [200/0] via 150.101.13.1, 00:02:15
CAT 2
sh ip route
Gateway of last resort is not set
C 200.11.4.0/24 is directly connected, Loopback14
C 200.11.5.0/24 is directly connected, Loopback15
C 200.11.6.0/24 is directly connected, Loopback16
200.0.0.0/32 is subnetted, 3 subnets
B 200.0.0.11 [200/0] via 150.101.12.1, 00:02:11
C 200.0.0.12 is directly connected, Loopback0
B 200.0.0.14 [200/0] via 150.101.14.4, 00:02:06
C 200.11.1.0/24 is directly connected, Loopback11
C 200.11.2.0/24 is directly connected, Loopback12
C 200.11.3.0/24 is directly connected, Loopback13
150.100.0.0/24 is subnetted, 1 subnets
B 150.100.81.0 [200/0] via 150.101.12.1, 00:02:12
150.101.0.0/24 is subnetted, 3 subnets
B 150.101.14.0 [200/0] via 150.101.12.1, 00:02:12
B 150.101.13.0 [200/0] via 150.101.12.1, 00:02:12
C 150.101.12.0 is directly connected, FastEthernet0/23
B 200.11.0.0/21 [200/0] via 150.101.12.1, 00:02:47
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