Re: assist with eigrp pe-ce showing zero successor for a

From: Marko Milivojevic <markom_at_ipexpert.com>
Date: Sat, 18 Feb 2012 22:08:08 -0500

What's the AD of RIP? What's the AD of EIGRP external routes?

--
Marko Milivojevic - CCIE #18427 (SP R&S)
Senior CCIE Instructor - IPexpert
On Sat, Feb 18, 2012 at 19:43, Aaron <aaron1_at_gvtc.com> wrote:
> R9 is learning a prefix from rip and eigrp both. B I'm seeing the rip route
> be the one that ends up in the rib in r9. B Not sure what it means that it
> does see the route in eigrp topo table but with zero successors. B Anyone
> know? B The goal is that 10.11.11.1 be reachable via the eigrp learned path
> (which is over the mpls l3 vpn). B R9 learns 10.11.11.1 from eigrp via pe-ce
> from r8. B R8 is pe, r9 is ce. B I think I'm seeing this in R9 as FD 4.2
> billion which seems like an unreachable/infinite metric..is this the cause
> of the zero successor thing? B If so, why is it 4.2 billion and how to fix?
>
>
>
>
>
> R9#sh ip ro 10.11.11.1
>
> Routing entry for 10.11.11.1/32
>
> B Known via "rip", distance 120, metric 1
>
> B Redistributing via rip
>
> B Last update from 172.16.109.2 on Ethernet0/1, 00:00:07 ago
>
> B Routing Descriptor Blocks:
>
> B * 172.16.109.2, from 172.16.109.2, 00:00:07 ago, via Ethernet0/1
>
> B  B  B Route metric is 1, traffic share count is 1
>
>
>
> R9#sh ip ei top zero-successors
>
> IP-EIGRP Topology Table for AS(51)/ID(10.99.99.9)
>
>
>
> Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
>
> B  B  B  r - reply Status, s - sia Status
>
>
>
> P 10.11.11.1/32, 0 successors, FD is Inaccessible
>
> B  B  B  B via 192.168.89.1 (2560025856/2560000256), Ethernet0/0
>
>
>
>
>
> R8#sh bgp vp u all
>
> BGP table version is 149, local router ID is 8.8.8.8
>
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal,
>
> B  B  B  B  B  B  B r RIB-failure, S Stale
>
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
>
>
> B  Network B  B  B  B  B Next Hop B  B  B  B  B  B Metric LocPrf Weight Path
>
> Route Distinguisher: 1234:5
>
> *>i10.11.11.1/32 B  B 5.5.5.5 B  B  B  B  B  B  B  B  85 B  B 100 B  B  B 0 ?
>
> Route Distinguisher: 1234:8 (default for vrf Foo)
>
> *>i10.11.11.1/32 B  B 5.5.5.5 B  B  B  B  B  B  B  B  85 B  B 100 B  B  B 0 ?
>
> *> 10.99.99.9/32 B  B 192.168.89.2 B  B  B  B 409600 B  B  B  B  32768 ?
>
> R8#
>
>
>
> R8#sh bgp vp u all 10.11.11.1
>
> BGP routing table entry for 1234:5:10.11.11.1/32, version 142
>
> Paths: (1 available, best #1, no table)
>
> B Not advertised to any peer
>
> B Local
>
> B  B 5.5.5.5 (metric 11) from 5.5.5.5 (5.5.5.5)
>
> B  B  B Origin incomplete, metric 85, localpref 100, valid, internal, best
>
> B  B  B Extended Community: RT:1234:5 OSPF DOMAIN ID:0x0005:0x000000010200
>
> B  B  B  B OSPF RT:0.0.0.0:3:0 OSPF ROUTER ID:1.1.1.5:512
>
> B  B  B mpls labels in/out nolabel/54
>
> BGP routing table entry for 1234:8:10.11.11.1/32, version 143
>
> Paths: (1 available, best #1, table Foo)
>
> B Not advertised to any peer
>
> B Local, imported path from 1234:5:10.11.11.1/32
>
> B  B 5.5.5.5 (metric 11) from 5.5.5.5 (5.5.5.5)
>
> B  B  B Origin incomplete, metric 85, localpref 100, valid, internal, best
>
> B  B  B Extended Community: RT:1234:5 OSPF DOMAIN ID:0x0005:0x000000010200
>
> B  B  B  B OSPF RT:0.0.0.0:3:0 OSPF ROUTER ID:1.1.1.5:512
>
> B  B  B mpls labels in/out nolabel/54
>
> R8#
>
>
>
> R8#sh ip ei vrf Foo top 10.11.11.1/32
>
> IP-EIGRP (AS 51): Topology entry for 10.11.11.1/32
>
> B State is Passive, Query origin flag is 1, 1 Successor(s), FD is 2560000256
>
> B Routing Descriptor Blocks:
>
> B 5.5.5.5, from Redistributed, Send flag is 0x0
>
> B  B  B Composite metric is (2560000256/0), Route is External
>
> B  B  B Vector metric:
>
> B  B  B  B Minimum bandwidth is 1 Kbit
>
> B  B  B  B Total delay is 10 microseconds
>
> B  B  B  B Reliability is 1/255
>
> B  B  B  B Load is 1/255
>
> B  B  B  B Minimum MTU is 1
>
> B  B  B  B Hop count is 0
>
> B  B  B External data:
>
> B  B  B  B Originating router is 192.168.89.1 (this system)
>
> B  B  B  B AS number of route is 1234
>
> B  B  B  B External protocol is BGP, external metric is 85
>
> B  B  B  B Administrator tag is 0 (0x00000000)
>
> R8#
>
>
>
>
>
> R9#
>
> R9#sh ip ei top 10.11.11.1/32
>
> IP-EIGRP (AS 51): Topology entry for 10.11.11.1/32
>
> B State is Passive, Query origin flag is 1, 0 Successor(s), FD is 4294967295
>
> B Routing Descriptor Blocks:
>
> B 192.168.89.1 (Ethernet0/0), from 192.168.89.1, Send flag is 0x0
>
> B  B  B Composite metric is (2560025856/2560000256), Route is External
>
> B  B  B Vector metric:
>
> B  B  B  B Minimum bandwidth is 1 Kbit
>
> B  B  B  B Total delay is 1010 microseconds
>
> B  B  B  B Reliability is 1/255
>
> B  B  B  B Load is 1/255
>
> B  B  B  B Minimum MTU is 1
>
> B  B  B  B Hop count is 1
>
> B  B  B External data:
>
> B  B  B  B Originating router is 192.168.89.1
>
> B  B  B  B AS number of route is 1234
>
> B  B  B  B External protocol is BGP, external metric is 85
>
> B  B  B  B Administrator tag is 0 (0x00000000)
>
>
>
> *** wrong result.
>
>
>
> R9#traceroute 10.11.11.1 source 1.1.1.9
>
>
>
> Type escape sequence to abort.
>
> Tracing the route to 10.11.11.1
>
>
>
> B 1 172.16.109.2 4 msec 0 msec 0 msec
>
> B 2 192.168.210.2 20 msec 24 msec 20 msec
>
> B 3 192.168.123.1 24 msec * B 24 msec
>
>
>
> *** should be.(this is copy and paste from solutions..so actual negotiated
> label could different , but ip hops should be same)
>
>
>
> R9#traceroute 10.11.11.1 source 1.1.1.9
>
>
>
> Type escape sequence to abort.
>
> Tracing the route to 10.11.11.1
>
>
>
> B 1 192.168.89.1 0 msec 0 msec 4 msec
>
> B 2 192.168.45.5 [MPLS: Label 16 Exp 0] 32 msec 28 msec 24 msec
>
> B 3 192.168.45.4 32 msec 28 msec 32 msec
>
> B 4 172.16.1.1 32 msec 28 msec 32 msec
>
> B 5 192.168.123.1 32 msec * B 32 msec
>
>
>
> R9#
>
>
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Received on Sat Feb 18 2012 - 22:08:08 ART

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