Route to R6/ R7 not getting installed in routing table of R3 even though it's iBGP peer R4 has declared itself as the next-hop-self. Please help.

Getting summarized routes plus individual routes at the same time in the routing table. Summarization is performed on R4, which can be verified by the Null0 entry. But routes are not getting summarized on R6. Need help in rectifying the issue. Please find the topology below. ... (more)

R2 should receive loopbacks of R1 only via R4. But routing table of R2 displays routes via both R# and R4. Need help in identifying the issue. Attaching the topology hereby.

interface Loopback10  ip address 5.2.0.1 255.255.255.128 interface Loopback11  ip address 5.2.1.2 255.255.255.240 interface Loopback12  ip address 5.2.2.2 255.255.255.248 interface Loopback13  ip address 5.2.3.2 255.255.255.252 On interface connecting R3 to R2, I have implemented the following prefix list :  ip prefix-list FILTER seq 5 deny 5.2.0.0/16 ge 17 le 30 ip prefix... (more)

Have tried default route advertisement using 2 ways: R1(config-if)#ip addr 192.168.1.1 255.255.255.0 R1(config-if)#router eigrp 123 R1(config-router)#net 192.168.1.0 0.0.0.255 R1(config-router)#exit R1(config)#ip default-network 192.168.1.0 OR R1(config)#ip route 0.0.0.0 0.0.0.0 FastEthernet1/0 R1(config)#router eigrp 123 R1(config-router)#net 0.0.0.0 But gateway of last resort f... (more)

Need help in understanding how summarization concept applies here. Right now, packets are taking paths from both R3 and R4 as both have equal metric to reach R5. How can summarization affect what path the packets take ? Is metric affected due to summarization? Task 4: Path Selection using Route - Summarization R1 and R2 should take path via R4 to reach the loopbacks of R5... (more)

1. Do we have to remove all the interface (delay/bandwidth) settings configured in Task 2, while performing Task 3 (R1 and R2 should receive each other’s routes specifically via R3 and they should receive a summary of /16 via R4.) and Task 4 ?