I think since Null0 is a garbage [but IOS softwarely correct] interface, it will adveritse the route to neigbour, but it will not install it for it has no valid [Practically] next-hop.
----- Original Message ----- From: "Jayesh Karkhanis" To: [email protected] Subject: [OSL | CCIE_RS] Redistributing null route in EIGRP Date: Tue, 30 Jun 2009 23:53:32 -0400 Hello All, I am trying to redistribute null route into eigrp. I see the route being sent and received but it's not being installed in routing table. Below is debug from R1 and R2 (R2 is redistributing). Any thoughts or inputs appreciated. Thankyou. *Mar 1 01:41:31.435: IP-EIGRP(Default-IP-Routing-Table:100): Processing incoming UPDATE packet *Mar 1 01:41:31.435: IP-EIGRP(Default-IP-Routing-Table:100): Int 1.0.0.0/8 M 2297856 - 1657856 640000 SM 128256 - 256 128000 *Mar 1 01:41:31.459: IP-EIGRP(Default-IP-Routing-Table:100): 10.1.12.0/24 - do advertise out Serial1/0.21 *Mar 1 01:41:31.459: IP-EIGRP(Default-IP-Routing-Table:100): 2.0.0.0/8 - do advertise out Serial1/0.21 *Mar 1 01:41:31.463: IP-EIGRP(Default-IP-Routing-Table:100): Int 2.0.0.0/8 metric 128256 - 256 128000 *Mar 1 01:41:31.463: IP-EIGRP(Default-IP-Routing-Table:100): 3.0.0.0/8 - do advertise out Serial1/0.21 *Mar 1 01:41:31.463: IP-EIGRP(Default-IP-Routing-Table:100): Ext 3.0.0.0/8 metric 6777856 - 1657856 5120000 *Mar 1 01:41:31.463: IP-EIGRP(Default-IP-Routing-Table:100): 1.0.0.0/8 - do advertise out Serial1/0.21 *Mar 1 01:41:31.659: IP-EIGRP(Default-IP-Routing-Table:100): Processing incoming QUERY packet *Mar 1 01:41:31.663: IP-EIGRP(Default-IP-Routing-Table:100): Int 10.0.0.0/8 M 4294967295 - 0 4294967295 SM 4294967295 - 0 4294967295 *Mar 1 01:41:31.683: IP-EIGRP(Default-IP-Routing-Table:100): 10.0.0.0/8 - not in IP routing table *Mar 1 01:41:31.683: IP-EIGRP(Default-IP-Routing-Table:100): Int 10.0.0.0/8 metric 4294967295 - 0 4294967295 R2(config-router)# R1(config-router)# *Mar 1 01:41:31.859: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.1.12.2 (Serial1/0.12) is resync: summary configured *Mar 1 01:41:31.867: IP-EIGRP(Default-IP-Routing-Table:100): 1.0.0.0/8 - do advertise out Serial1/0.12 *Mar 1 01:41:31.871: IP-EIGRP(Default-IP-Routing-Table:100): Int 1.0.0.0/8 metric 128256 - 256 128000 *Mar 1 01:41:31.871: IP-EIGRP(Default-IP-Routing-Table:100): 10.1.12.0/24 - do advertise out Serial1/0.12 *Mar 1 01:41:31.871: IP-EIGRP(Default-IP-Routing-Table:100): 2.0.0.0/8 - do advertise out Serial1/0.12 *Mar 1 01:41:32.111: IP-EIGRP(Default-IP-Routing-Table:100): Processing incoming UPDATE packet *Mar 1 01:41:32.111: IP-EIGRP(Default-IP-Routing-Table:100): Int 2.0.0.0/8 M 2297856 - 1657856 640000 SM 128256 - 256 128000 *Mar 1 01:41:32.111: IP-EIGRP(Default-IP-Routing-Table:100): ExtS 3.0.0.0/8 M 7289856 - 1657856 5632000 SM 6777856 - 1657856 5120000 *Mar 1 01:41:32.127: IP-EIGRP(Default-IP-Routing-Table:100): 10.0.0.0/8 - do advertise out Serial1/0.12 *Mar 1 01:41:32.127: IP-EIGRP(Default-IP-Routing-Table:100): Int 10.0.0.0/8 metric 4294967295 - 0 4294967295 *Mar 1 01:41:32.307: IP-EIGRP(Default-IP-Routing-Table:100): Processing incoming REPLY packet *Mar 1 01:41:32.307: IP-EIGRP(Default-IP-Routing-Table:100): Int 10.0.0.0/8 M 4294967295 - 0 4294967295 SM 4294967295 - 0 4294967295 R1(config-router)# R1#sh ip rou Codes: 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 Gateway of last resort is not set C 1.0.0.0/8 is directly connected, Loopback0 D 2.0.0.0/8 [90/2297856] via 10.1.12.2, 00:45:15, Serial1/0.12 10.0.0.0/24 is subnetted, 1 subnets C 10.1.12.0 is directly connected, Serial1/0.12 R1# Desmond Black, In Pursuit of CCIE!! India -- Be Yourself @ mail.com! Choose From 200+ Email Addresses Get a Free Account at www.mail.com
