From: Michael Snyder (msnyder@xxxxxxxxxxxxxxxxxxxxxx)
Date: Thu Aug 22 2002 - 12:15:48 GMT-3
I understand that this lab is designed to introduce such problems, what
is brothering me is why this would happen.
Router R2(E) is redistributing ospf routes into eigrp. Router E has a
full eigrp table with tags and successors.
Router R4(C) is a eigrp neighbor to R2(E) via tunnel, the neighbor
relationship over the tunnel seems healthy. Router C has a full eigrp
top table with tags, but the redistributed routes show up as
zero-successors.
Even with redistribution, I don't understand why with a directly
connected eigrp neighbor E, that C would have zero-successors.
I'm sure my answer is in the flowing displays, but I don't see it.
Tried looking up eigrp zero successor troubleshooting on tac, but
couldn't find a link. Doesn't seem to be a common problem.
TIA!
------------------------------------------
E#se to 150.1.111.5 255.255.255.255
IP-EIGRP topology entry for 150.1.111.5 0xFFFFFFFF
State is Passive, Query origin flag is 1, 1 Successor(s), FD is
25602560
Routing Descriptor Blocks:
0.0.0.0, from Redistributed, Send flag is 0x0
Composite metric is (25602560/0), Route is External
Vector metric:
Minimum bandwidth is 100 Kbit
Total delay is 100 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 0
External data:
Originating router is 150.1.222.2 (this system)
AS number of route is 1
External protocol is OSPF, external metric is 10
Administrator tag is 333 (0x0000014D)
E#
--------------------------------------------------
C#se to 150.1.111.5 255.255.255.255
IP-EIGRP topology entry for 150.1.111.5 0xFFFFFFFF
State is Passive, Query origin flag is 1, 0 Successor(s), FD is
4294967295
Routing Descriptor Blocks:
150.1.24.2 (Tunnel0), from 150.1.24.2, Send flag is 0x0
Composite metric is (25628160/25602560), Route is External
Vector metric:
Minimum bandwidth is 100 Kbit
Total delay is 1100 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1476
Hop count is 1
External data:
Originating router is 150.1.222.2
AS number of route is 1
External protocol is OSPF, external metric is 10
Administrator tag is 333 (0x0000014D)
-------------------------------------------------------------
Below is the configs, routing tables, and eigrp top.
E#sr
Building configuration...
Current configuration : 3319 bytes
!
!
hostname E
!
!
!
!
interface Tunnel0
bandwidth 1000
ip address 150.1.24.2 255.255.255.0
delay 100
tunnel source 150.1.222.2
tunnel destination 150.1.111.4
!
interface Ethernet0
ip address 150.1.222.2 255.255.255.0
ip ospf message-digest-key 1 md5 michael
ip ospf network non-broadcast
!
interface Serial0
ip address 150.1.12.2 255.255.255.0
no fair-queue
service-module 56k clock source internal
!
interface Serial1
ip address 150.1.12.2 255.255.255.0
service-module 56k clock source internal
!
router eigrp 100
redistribute ospf 1 metric 100 10 255 1 1500 match internal external 1
external 2 route-map deny777
network 150.1.24.0 0.0.0.255
distance eigrp 111 170
no auto-summary
no eigrp log-neighbor-changes
!
router ospf 1
router-id 0.0.0.5
log-adjacency-changes
area 0 authentication
area 12 nssa
area 51 authentication message-digest
area 51 virtual-link 0.0.0.4 authentication-key austin
redistribute eigrp 100 metric 2000 metric-type 1 subnets route-map
deny333
network 150.1.12.0 0.0.0.255 area 12
network 150.1.222.0 0.0.0.255 area 51
neighbor 150.1.222.6 priority 1
neighbor 150.1.222.5 priority 1
!
ip classless
no ip http server
!
access-list 199 permit icmp any any
route-map deny777 deny 5
match tag 777
!
route-map deny777 permit 10
set tag 333
!
route-map deny333 deny 5
match tag 333
!
route-map deny333 permit 10
set tag 777
!
!
E#si
Gateway of last resort is not set
170.1.0.0 0xFFFFFF00 is subnetted, 1 subnets
O E1 170.1.1.0 [110/1138] via 150.1.222.5, 02:04:30, Ethernet0
150.1.0.0 0xFFFF0000 is variably subnetted, 8 subnets, 2 masks
C 150.1.222.0 0xFFFFFF00 is directly connected, Ethernet0
O E1 150.1.30.0 0xFFFFFF00 [110/1074] via 150.1.222.5, 02:04:30,
Ethernet0
C 150.1.24.0 0xFFFFFF00 is directly connected, Tunnel0
D 150.1.14.0 0xFFFFFF00 [111/3097600] via 150.1.24.4, 00:11:28,
Tunnel0
C 150.1.12.0 0xFFFFFF00 is directly connected, Serial0
O 150.1.111.3 0xFFFFFFFF [110/74] via 150.1.222.5, 02:04:30,
Ethernet0
O 150.1.111.4 0xFFFFFFFF [110/138] via 150.1.222.5, 02:04:30,
Ethernet0
O 150.1.111.5 0xFFFFFFFF [110/10] via 150.1.222.5, 02:04:30,
Ethernet0
D 220.1.0.0 0xFFFFFC00 [111/3225600] via 150.1.24.4, 00:11:28,
Tunnel0
E#se to de
IP-EIGRP Topology Table for AS(100)/ID(150.1.222.2)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 150.1.222.0 0xFFFFFF00, 1 successors, FD is 25602560, tag is 333,
serno 296
via Redistributed (25602560/0)
P 150.1.30.0 0xFFFFFF00, 1 successors, FD is 25602560, tag is 333, serno
317
via Redistributed (25602560/0)
P 150.1.24.0 0xFFFFFF00, 1 successors, FD is 2585600, serno 324
via Connected, Tunnel0
P 150.1.14.0 0xFFFFFF00, 1 successors, FD is 3097600, serno 325
via 150.1.24.4 (3097600/2169856), Tunnel0
P 150.1.12.0 0xFFFFFF00, 1 successors, FD is 25602560, tag is 333, serno
298
via Redistributed (25602560/0)
P 220.1.0.0 0xFFFFFC00, 1 successors, FD is 3225600, serno 326
via 150.1.24.4 (3225600/2297856), Tunnel0
P 150.1.111.3 0xFFFFFFFF, 1 successors, FD is 25602560, tag is 333,
serno 315
via Redistributed (25602560/0)
P 150.1.111.4 0xFFFFFFFF, 1 successors, FD is 25602560, tag is 333,
serno 316
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
via Redistributed (25602560/0)
P 150.1.111.5 0xFFFFFFFF, 1 successors, FD is 25602560, tag is 333,
serno 314
via Redistributed (25602560/0)
E#se to 150.1.111.5 255.255.255.255
IP-EIGRP topology entry for 150.1.111.5 0xFFFFFFFF
State is Passive, Query origin flag is 1, 1 Successor(s), FD is
25602560
Routing Descriptor Blocks:
0.0.0.0, from Redistributed, Send flag is 0x0
Composite metric is (25602560/0), Route is External
Vector metric:
Minimum bandwidth is 100 Kbit
Total delay is 100 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 0
External data:
Originating router is 150.1.222.2 (this system)
AS number of route is 1
External protocol is OSPF, external metric is 10
Administrator tag is 333 (0x0000014D)
E#
------------------------------------------------------------------
C#sr
Building configuration...
Current configuration : 3510 bytes
hostname C
!
!
!
!
!
!
!
interface Tunnel0
bandwidth 1000
ip address 150.1.24.4 255.255.255.0
delay 100
tunnel source 150.1.111.4
tunnel destination 150.1.222.2
!
interface Ethernet0
ip address 170.1.1.1 255.255.255.0
!
interface Serial0
ip address 150.1.111.4 255.255.255.248
encapsulation frame-relay
ip split-horizon
ip ospf authentication-key austin
ip ospf network point-to-multipoint
frame-relay map ip 150.1.111.3 120 broadcast
no frame-relay inverse-arp
!
router eigrp 100
network 150.1.14.0 0.0.0.255
network 150.1.24.0 0.0.0.255
distance eigrp 111 170
distance 77 0.0.0.0 255.255.255.255 2
no auto-summary
no eigrp log-neighbor-changes
!
router ospf 1
router-id 0.0.0.3
log-adjacency-changes
area 0 authentication
redistribute rip subnets route-map fromrip
network 150.1.111.0 0.0.0.7 area 0
!
router rip
timers basic 10 60 60 80
network 170.1.0.0
!
ip classless
no ip http server
!
access-list 2 permit 220.1.0.0 0.0.3.255
access-list 2 permit 150.1.24.0 0.0.0.255
access-list 10 permit 0.0.0.0 255.254.255.255
access-list 199 permit icmp any any
route-map deny777 deny 5
match tag 777
!
route-map deny777 permit 10
set tag 333
!
route-map deny333 deny 5
match tag 333
!
route-map deny333 permit 10
set tag 777
!
route-map fromrip permit 10
match ip address 10
set metric 1000
set metric-type type-2
set tag 777
!
route-map fromrip permit 20
set metric 1000
set metric-type type-1
set tag 777
!
!
C#si
Gateway of last resort is not set
170.1.0.0 0xFFFFFF00 is subnetted, 1 subnets
C 170.1.1.0 is directly connected, Ethernet0
150.1.0.0 0xFFFF0000 is variably subnetted, 8 subnets, 3 masks
O IA 150.1.222.0 0xFFFFFF00 [110/138] via 150.1.111.3, 02:07:34,
Serial0
O E1 150.1.30.0 0xFFFFFF00 [110/1064] via 150.1.111.3, 02:07:34,
Serial0
C 150.1.24.0 0xFFFFFF00 is directly connected, Tunnel0
C 150.1.14.0 0xFFFFFF00 is directly connected, Serial1
O IA 150.1.12.0 0xFFFFFF00 [110/202] via 150.1.111.3, 02:07:34,
Serial0
C 150.1.111.0 0xFFFFFFF8 is directly connected, Serial0
O 150.1.111.3 0xFFFFFFFF [110/64] via 150.1.111.3, 02:07:34,
Serial0
O 150.1.111.5 0xFFFFFFFF [110/128] via 150.1.111.3, 02:07:34,
Serial0
D 220.1.0.0 0xFFFFFC00 [77/2297856] via 150.1.14.1, 00:56:28, Serial1
C#se to de
IP-EIGRP Topology Table for AS(100)/ID(170.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 150.1.222.0 0xFFFFFF00, 0 successors, FD is Inaccessible, tag is 333,
serno 0
via 150.1.24.2 (25628160/25602560), Tunnel0
P 150.1.30.0 0xFFFFFF00, 0 successors, FD is Inaccessible, tag is 333,
serno 0
via 150.1.24.2 (25628160/25602560), Tunnel0
P 150.1.24.0 0xFFFFFF00, 1 successors, FD is 2585600, serno 295
via Connected, Tunnel0
P 150.1.14.0 0xFFFFFF00, 1 successors, FD is 2169856, serno 1
via Connected, Serial1
P 150.1.12.0 0xFFFFFF00, 0 successors, FD is Inaccessible, tag is 333,
serno 0
via 150.1.24.2 (25628160/25602560), Tunnel0
P 220.1.0.0 0xFFFFFC00, 1 successors, FD is 2297856, serno 293
via 150.1.14.1 (2297856/128256), Serial1
P 150.1.111.3 0xFFFFFFFF, 0 successors, FD is Inaccessible, tag is 333,
serno 0
via 150.1.24.2 (25628160/25602560), Tunnel0
P 150.1.111.4 0xFFFFFFFF, 0 successors, FD is Inaccessible, tag is 333,
serno 0
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
via 150.1.24.2 (25628160/25602560), Tunnel0
P 150.1.111.5 0xFFFFFFFF, 0 successors, FD is Inaccessible, tag is 333,
serno 0
via 150.1.24.2 (25628160/25602560), Tunnel0
C#se to 150.1.111.5 255.255.255.255
IP-EIGRP topology entry for 150.1.111.5 0xFFFFFFFF
State is Passive, Query origin flag is 1, 0 Successor(s), FD is
4294967295
Routing Descriptor Blocks:
150.1.24.2 (Tunnel0), from 150.1.24.2, Send flag is 0x0
Composite metric is (25628160/25602560), Route is External
Vector metric:
Minimum bandwidth is 100 Kbit
Total delay is 1100 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1476
Hop count is 1
External data:
Originating router is 150.1.222.2
AS number of route is 1
External protocol is OSPF, external metric is 10
Administrator tag is 333 (0x0000014D)
C#se to zero
IP-EIGRP Topology Table for AS(100)/ID(170.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 150.1.222.0 0xFFFFFF00, 0 successors, FD is Inaccessible, tag is 333
via 150.1.24.2 (25628160/25602560), Tunnel0
P 150.1.30.0 0xFFFFFF00, 0 successors, FD is Inaccessible, tag is 333
via 150.1.24.2 (25628160/25602560), Tunnel0
P 150.1.12.0 0xFFFFFF00, 0 successors, FD is Inaccessible, tag is 333
via 150.1.24.2 (25628160/25602560), Tunnel0
P 150.1.111.3 0xFFFFFFFF, 0 successors, FD is Inaccessible, tag is 333
via 150.1.24.2 (25628160/25602560), Tunnel0
P 150.1.111.4 0xFFFFFFFF, 0 successors, FD is Inaccessible, tag is 333
via 150.1.24.2 (25628160/25602560), Tunnel0
P 150.1.111.5 0xFFFFFFFF, 0 successors, FD is Inaccessible, tag is 333
via 150.1.24.2 (25628160/25602560), Tunnel0
C#
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