From: Michael Snyder (msnyder@revolutioncomputer.com)
Date: Sun Feb 22 2004 - 12:44:27 GMT-3
I figured it out later last night.
I had issued `area 0 range 136.10.100.0 255.255.255.224` on two of the
abr's (R5&R6). It worked so well that R7 was still receiving the
summary after changed my mind and removed the command. Even cleared the
ospf processes and R7 was still getting the route. Reloaded R5&R6 and
the correct routes showed up on R7.
I guess my routers have picked up my stubbornness.
R7
O IA 136.10.100.6/32 [110/10] via 136.10.56.6, 09:11:24, Ethernet0
O IA 136.10.100.5/32 [110/10] via 136.10.56.5, 09:11:24, Ethernet0
O IA 136.10.100.2/32 [110/74] via 136.10.56.5, 09:11:24, Ethernet0
[110/74] via 136.10.56.6, 09:11:24, Ethernet0
Question, if you were in the lab, would you summarize these as they go
the peripheral igp`s? Doesn't seen right to leave them in host form.
-----Original Message-----
From: SANCHEZ-MONGE,ANTONIO (HP-France,ex2)
[mailto:antonio.sanchez-monge@hp.com]
Sent: Sunday, February 22, 2004 6:19 AM
To: 'Michael Snyder'; ccielab@groupstudy.com
Subject: RE: stupid question about ip ospf network point-to-multipoint n
on-broadcast
Hi Michael,
Can you send us the output of "show ip ospf database summary" from both
routers?
Cheers,
Ato.
-----Original Message-----
From: Michael Snyder [mailto:msnyder@revolutioncomputer.com]
Sent: domingo, 22 de febrero de 2004 4:17
To: ccielab@groupstudy.com
Cc: bsin@cox.net; 'Pete Yeargin (pyeargin)'
Subject: RE: stupid question about ip ospf network point-to-multipoint
non-broadcast
I always do frame-relay non-broadcast multi-point interfaces when given
a
choice. I'm behind the curve with this stuff.
Ok, new update. My asbr router's have the /27 routes and don't have the
/32, but my plain abr router's have the /32 and not the /27. It's
136.10.100.0 I'm trying to figure out.
I don't get it. Can someone point me to a url? Why would my asbr
behave in
a manner that I would prefer, and my abr only shows the host routes.
I'm very perplexed.
---------------------------
Here's a plain abr with area 2,3 and 0.
O E1 136.10.78.0/25 [110/1001] via 136.10.56.7, 00:30:08, Vlan904
O 136.10.100.6/32 [110/121] via 136.10.56.5, 00:30:08, Vlan904
O 136.10.100.5/32 [110/1] via 136.10.56.5, 00:30:08, Vlan904
O 136.10.100.2/32 [110/65] via 136.10.56.5, 00:30:08, Vlan904
205.1.1.0/27 is subnetted, 3 subnets
3550#show ip ospf data router
OSPF Router with ID (136.10.10.10) (Process ID 36)
Router Link States (Area 0)
Routing Bit Set on this LSA
LS age: 21 (DoNotAge)
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.2.2
Advertising Router: 136.10.2.2
LS Seq Number: 80000011
Checksum: 0x4E74
Length: 84
AS Boundary Router
Number of Links: 5
Link connected to: another Router (point-to-point)
(Link ID) Neighboring Router ID: 136.10.6.6
(Link Data) Router Interface address: 136.10.100.2
Number of TOS metrics: 0
TOS 0 Metrics: 56
Link connected to: another Router (point-to-point)
(Link ID) Neighboring Router ID: 136.10.5.5
(Link Data) Router Interface address: 136.10.100.2
Number of TOS metrics: 0
TOS 0 Metrics: 56
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.100.2
(Link Data) Network Mask: 255.255.255.255
Number of TOS metrics: 0
TOS 0 Metrics: 0
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.25.0
(Link Data) Network Mask: 255.255.255.252
Number of TOS metrics: 0
TOS 0 Metrics: 1562
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.2.0
(Link Data) Network Mask: 255.255.255.0
Number of TOS metrics: 0
TOS 0 Metrics: 1
Routing Bit Set on this LSA
LS age: 5 (DoNotAge)
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.5.5
Advertising Router: 136.10.5.5
LS Seq Number: 80000070
Checksum: 0xA9EF
Length: 84
Area Border Router
Number of Links: 5
Link connected to: a Virtual Link
(Link ID) Neighboring Router ID: 136.10.10.10
(Link Data) Router Interface address: 136.10.56.5
Number of TOS metrics: 0
TOS 0 Metrics: 10
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.5.0
(Link Data) Network Mask: 255.255.255.0
Number of TOS metrics: 0
TOS 0 Metrics: 1
Link connected to: another Router (point-to-point)
(Link ID) Neighboring Router ID: 136.10.2.2
(Link Data) Router Interface address: 136.10.100.5
Number of TOS metrics: 0
TOS 0 Metrics: 64
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.100.5
(Link Data) Network Mask: 255.255.255.255
Number of TOS metrics: 0
TOS 0 Metrics: 0
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.25.0
(Link Data) Network Mask: 255.255.255.252
Number of TOS metrics: 0
TOS 0 Metrics: 1562
Routing Bit Set on this LSA
LS age: 23 (DoNotAge)
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.6.6
Advertising Router: 136.10.6.6
LS Seq Number: 80000065
Checksum: 0xE81D
Length: 60
Area Border Router
AS Boundary Router
Number of Links: 3
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.6.0
(Link Data) Network Mask: 255.255.255.0
Number of TOS metrics: 0
TOS 0 Metrics: 1
Link connected to: another Router (point-to-point)
(Link ID) Neighboring Router ID: 136.10.2.2
(Link Data) Router Interface address: 136.10.100.6
Number of TOS metrics: 0
TOS 0 Metrics: 64
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.100.6
(Link Data) Network Mask: 255.255.255.255
Number of TOS metrics: 0
TOS 0 Metrics: 0
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.10.10
Advertising Router: 136.10.10.10
LS Seq Number: 80000008
Checksum: 0x9923
Length: 48
Area Border Router
Number of Links: 2
Link connected to: a Virtual Link
(Link ID) Neighboring Router ID: 136.10.5.5
(Link Data) Router Interface address: 136.10.56.10
Number of TOS metrics: 0
TOS 0 Metrics: 1
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.10.0
(Link Data) Network Mask: 255.255.255.0
Number of TOS metrics: 0
TOS 0 Metrics: 1
Router Link States (Area 2)
LS age: 1083
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.10.10
Advertising Router: 136.10.10.10
LS Seq Number: 80000005
Checksum: 0x7FCB
Length: 60
Area Border Router
Number of Links: 3
Link connected to: a Stub Network
(Link ID) Network/subnet number: 205.1.1.64
(Link Data) Network Mask: 255.255.255.224
Number of TOS metrics: 0
TOS 0 Metrics: 1
Link connected to: a Stub Network
(Link ID) Network/subnet number: 205.1.1.32
(Link Data) Network Mask: 255.255.255.224
Number of TOS metrics: 0
TOS 0 Metrics: 1
Link connected to: a Stub Network
(Link ID) Network/subnet number: 205.1.1.0
(Link Data) Network Mask: 255.255.255.224
Number of TOS metrics: 0
TOS 0 Metrics: 1
Router Link States (Area 3)
Routing Bit Set on this LSA
LS age: 1993
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.5.5
Advertising Router: 136.10.5.5
LS Seq Number: 80000002
Checksum: 0x2429
Length: 36
Area Border Router
Number of Links: 1
Link connected to: a Transit Network
(Link ID) Designated Router address: 136.10.56.7
(Link Data) Router Interface address: 136.10.56.5
Number of TOS metrics: 0
TOS 0 Metrics: 10
Routing Bit Set on this LSA
LS age: 55
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.6.6
Advertising Router: 136.10.6.6
LS Seq Number: 80000003
Checksum: 0x1431
Length: 36
Area Border Router
AS Boundary Router
Number of Links: 1
Link connected to: a Transit Network
(Link ID) Designated Router address: 136.10.56.7
(Link Data) Router Interface address: 136.10.56.6
Number of TOS metrics: 0
TOS 0 Metrics: 10
Routing Bit Set on this LSA
LS age: 1197
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.7.7
Advertising Router: 136.10.7.7
LS Seq Number: 80000015
Checksum: 0xE49F
Length: 48
AS Boundary Router
Number of Links: 2
Link connected to: a Transit Network
(Link ID) Designated Router address: 136.10.56.7
(Link Data) Router Interface address: 136.10.56.7
Number of TOS metrics: 0
TOS 0 Metrics: 10
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.7.0
(Link Data) Network Mask: 255.255.255.0
Number of TOS metrics: 0
TOS 0 Metrics: 1
LS age: 1085
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.10.10
Advertising Router: 136.10.10.10
LS Seq Number: 80000006
Checksum: 0x1524
Length: 36
Area Border Router
Number of Links: 1
Link connected to: a Transit Network
(Link ID) Designated Router address: 136.10.56.7
(Link Data) Router Interface address: 136.10.56.10
Number of TOS metrics: 0
TOS 0 Metrics: 1
3550#
---------------------------
Here's an ASBR with just area 3
E1 136.10.69.0/28 [110/1010] via 136.10.56.6, 00:34:19, Ethernet0
C 136.10.78.0/25 is directly connected, Serial0
O IA 136.10.100.0/27 [110/10] via 136.10.56.5, 00:34:19, Ethernet0
[110/10] via 136.10.56.6, 00:34:19, Ethernet0
O IA 205.1.1.0 [110/11] via 136.10.56.10, 00:34:14, Ethernet0
R 208.10.89.0/24 [120/2] via 136.10.78.8, 00:00:10, Serial0
O E1 100.10.14.0 [110/1074] via 136.10.56.5, 00:34:20, Ethernet0
R7#show ip ospf data router
OSPF Router with ID (136.10.7.7) (Process ID 36)
Router Link States (Area 3)
Routing Bit Set on this LSA
LS age: 224
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.5.5
Advertising Router: 136.10.5.5
LS Seq Number: 80000003
Checksum: 0x222A
Length: 36
Area Border Router
Number of Links: 1
Link connected to: a Transit Network
(Link ID) Designated Router address: 136.10.56.7
(Link Data) Router Interface address: 136.10.56.5
Number of TOS metrics: 0
TOS 0 Metrics: 10
Routing Bit Set on this LSA
LS age: 329
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.6.6
Advertising Router: 136.10.6.6
LS Seq Number: 80000003
Checksum: 0x1431
Length: 36
Area Border Router
AS Boundary Router
Number of Links: 1
Link connected to: a Transit Network
(Link ID) Designated Router address: 136.10.56.7
(Link Data) Router Interface address: 136.10.56.6
Number of TOS metrics: 0
TOS 0 Metrics: 10
LS age: 1471
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.7.7
Advertising Router: 136.10.7.7
LS Seq Number: 80000015
Checksum: 0xE49F
Length: 48
AS Boundary Router
Number of Links: 2
Link connected to: a Transit Network
(Link ID) Designated Router address: 136.10.56.7
(Link Data) Router Interface address: 136.10.56.7
Number of TOS metrics: 0
TOS 0 Metrics: 10
Link connected to: a Stub Network
(Link ID) Network/subnet number: 136.10.7.0
(Link Data) Network Mask: 255.255.255.0
Number of TOS metrics: 0
TOS 0 Metrics: 1
Routing Bit Set on this LSA
LS age: 1360
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 136.10.10.10
Advertising Router: 136.10.10.10
LS Seq Number: 80000006
Checksum: 0x1524
Length: 36
Area Border Router
Number of Links: 1
Link connected to: a Transit Network
(Link ID) Designated Router address: 136.10.56.7
(Link Data) Router Interface address: 136.10.56.10
Number of TOS metrics: 0
TOS 0 Metrics: 1
R7#
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