From: SFeldberg@xxxxxxxxxxxxx
Date: Thu Nov 08 2001 - 13:39:30 GMT-3
r2#sh vers
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-JOS56I-L), Version 12.0(19), RELEASE SOFTWARE
(fc1
)
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Mon 06-Aug-01 22:12 by nmasa
Image text-base: 0x0000144C, data-base: 0x00A020F8
ROM: System Bootstrap, Version 4.14(9.1), SOFTWARE
r2 uptime is 19 hours, 9 minutes
System restarted by reload
System image file is "flash:c2500-jos56i-l.120-19.mz"
cisco 2500 (68030) processor (revision A) with 16384K/2048K bytes of
memory.
Processor board ID 01444680, with hardware revision 00000000
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
1 Ethernet/IEEE 802.3 interface(s)
2 Serial network interface(s)
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read/Write)
Configuration register is 0x2102
r2#sh run
Building configuration...
Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname r2
!
!
ip subnet-zero
!
!
!
!
!
interface Loopback0
ip address 50.0.0.1 255.0.0.0
no ip directed-broadcast
ip ospf network point-to-point
!
interface Ethernet0
ip address 20.1.1.1 255.255.255.0
no ip directed-broadcast
!
interface Serial0
no ip address
no ip directed-broadcast
no ip mroute-cache
shutdown
no fair-queue
!
interface Serial1
ip address 10.1.1.2 255.255.255.0
no ip directed-broadcast
ip ospf network point-to-multipoint
clockrate 64000
!
router ospf 1
network 10.1.1.2 0.0.0.0 area 0
network 20.1.1.1 0.0.0.0 area 1
network 50.0.0.0 0.255.255.255 area 5
!
ip classless
!
!
!
line con 0
transport input none
line aux 0
line vty 0 4
!
end
r2#sh ip ospf int
Ethernet0 is up, line protocol is up
Internet Address 20.1.1.1/24, Area 1
Process ID 1, Router ID 20.1.1.1, Network Type BROADCAST, Cost: 10
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 20.1.1.1, Interface address 20.1.1.1
No backup designated router on this network
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:06
Neighbor Count is 0, Adjacent neighbor count is 0
Suppress hello for 0 neighbor(s)
Loopback0 is up, line protocol is up
Internet Address 50.0.0.1/8, Area 5
Process ID 1, Router ID 20.1.1.1, Network Type POINT_TO_POINT, Cost: 1
Transmit Delay is 1 sec, State POINT_TO_POINT,
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:00
Neighbor Count is 0, Adjacent neighbor count is 0
Suppress hello for 0 neighbor(s)
Serial1 is up, line protocol is up
Internet Address 10.1.1.2/24, Area 0
Process ID 1, Router ID 20.1.1.1, Network Type POINT_TO_MULTIPOINT, Cost:
64
Transmit Delay is 1 sec, State POINT_TO_MULTIPOINT,
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
Hello due in 00:00:24
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 10.2.2.2
Suppress hello for 0 neighbor(s)
r2#sh ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate
default
U - per-user static route, o - ODR
Gateway of last resort is not set
C 50.0.0.0/8 is directly connected, Loopback0
20.0.0.0/24 is subnetted, 1 subnets
C 20.1.1.0 is directly connected, Ethernet0
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
O 10.2.2.0/24 [110/74] via 10.1.1.4, 02:47:01, Serial1
C 10.1.1.0/24 is directly connected, Serial1
O 10.1.1.4/32 [110/64] via 10.1.1.4, 02:47:01, Serial1
r2#sh ip route stat
r2#sh ip route 10.2.2.0
Routing entry for 10.2.2.0/24
Known via "ospf 1", distance 110, metric 74, type intra area
Redistributing via ospf 1
Last update from 10.1.1.4 on Serial1, 02:47:27 ago
Routing Descriptor Blocks:
* 10.1.1.4, from 10.2.2.2, 02:47:27 ago, via Serial1
Route metric is 74, traffic share count is 1
r2#sh ip route 10.1.1.4
Routing entry for 10.1.1.4/32
Known via "ospf 1", distance 110, metric 64, type intra area
Redistributing via ospf 1
Last update from 10.1.1.4 on Serial1, 02:47:35 ago
Routing Descriptor Blocks:
* 10.1.1.4, from 10.2.2.2, 02:47:35 ago, via Serial1
Route metric is 64, traffic share count is 1
r2#sh ip ospf d
OSPF Router with ID (20.1.1.1) (Process ID 1)
Router Link States (Area 0)
Link ID ADV Router Age Seq# Checksum Link count
10.2.2.2 10.2.2.2 358 0x80000029 0xBF7D 3
20.1.1.1 20.1.1.1 361 0x80000027 0xB9A9 2
Summary Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
20.1.1.0 20.1.1.1 1370 0x80000022 0xC51F
50.0.0.0 20.1.1.1 878 0x80000006 0x33BA
Router Link States (Area 1)
Link ID ADV Router Age Seq# Checksum Link count
20.1.1.1 20.1.1.1 1371 0x80000023 0xAB7 1
Summary Net Link States (Area 1)
Link ID ADV Router Age Seq# Checksum
10.1.1.2 20.1.1.1 621 0x80000006 0x80B
10.1.1.4 20.1.1.1 363 0x80000006 0x765A
10.2.2.0 20.1.1.1 363 0x80000006 0xEBDC
50.0.0.0 20.1.1.1 880 0x80000006 0x33BA
Router Link States (Area 5)
Link ID ADV Router Age Seq# Checksum Link count
20.1.1.1 20.1.1.1 880 0x80000007 0x6169 1
Summary Net Link States (Area 5)
Link ID ADV Router Age Seq# Checksum
10.1.1.2 20.1.1.1 624 0x80000006 0x80B
10.1.1.4 20.1.1.1 364 0x80000006 0x765A
10.2.2.0 20.1.1.1 364 0x80000006 0xEBDC
20.1.1.0 20.1.1.1 624 0x80000006 0xFD03
r4#sh ver
Cisco Internetwork Operating System Software
IOS (tm) MC3810 Software (MC3810-A2JSV5-M), Version 12.0(7)XK2, EARLY
DEPLOYMENT
RELEASE SOFTWARE (fc1)
TAC:Home:SW:IOS:Specials for info
Copyright (c) 1986-2000 by cisco Systems, Inc.
Compiled Tue 31-Oct-00 16:43 by kpma
Image text-base: 0x00023000, data-base: 0x00E1B1A0
ROM: System Bootstrap, Version 11.3(1)MA1, MAINTENANCE INTERIM SOFTWARE
ROM: MC3810 Software (MC3810-WBOOT-M), Version 11.3(1)MA1, MAINTENANCE
INTERIM
SOFTWARE
r4 uptime is 19 hours, 13 minutes
System returned to ROM by reload
System image file is "flash:mc3810-a2jsv5-mz.120-7.XK2.bin"
Cisco MC3810 (MPC860) processor (revision 06.06) with 28672K/4096K bytes of
memo
ry.
Processor board ID 06704340
PPC860 PowerQUICC, partnum 0x0000, version B00(0x0020)
Channelized E1, Version 1.0.
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
Primary Rate ISDN software, Version 1.1.
MC3810 SCB board (v04.K0)
1 Multiflex T1(slot 3) RJ45 interface(v01.K0)
1 Six-Slot Analog Voice Module (v03.K0)
1 Analog FXS voice interface (v03.K0) port 1/1
1 Analog FXS voice interface (v03.K0) port 1/2
1 Analog FXS voice interface (v03.K0) port 1/3
1 Analog FXS voice interface (v03.K0) port 1/4
1 Analog FXS voice interface (v03.K0) port 1/5
1 Analog FXS voice interface (v03.K0) port 1/6
1 6-DSP(slot2) Voice Compression Module(v01.K0)
1 Ethernet/IEEE 802.3 interface(s)
1 Serial network interface(s)
2 Serial(sync/async) network interface(s)
1 Channelized E1/PRI port(s)
1 Channelized T1/PRI port(s)
256K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (AMD29F016)
Configuration register is 0x2102
r4#sh run
Building configuration...
Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname r4
!
!
!
!
!
!
network-clock base-rate 56k
ip subnet-zero
!
isdn voice-call-failure 0
!
!
cns event-service server
!
!
controller T1 0
!
!
!
interface Ethernet0
ip address 10.2.2.2 255.255.255.0
no ip directed-broadcast
!
interface Serial0
no ip address
no ip directed-broadcast
ip ospf network point-to-multipoint
no ip mroute-cache
shutdown
no fair-queue
!
interface Serial1
ip address 10.1.1.4 255.255.255.0
no ip directed-broadcast
ip ospf network point-to-multipoint
!
interface FR-ATM20
no ip address
no ip directed-broadcast
shutdown
!
router ospf 1
network 10.1.1.4 0.0.0.0 area 0
network 10.2.2.2 0.0.0.0 area 0
!
ip classless
no ip http server
!
!
!
voice-port 1/1
!
voice-port 1/2
!
voice-port 1/3
!
voice-port 1/4
!
voice-port 1/5
!
voice-port 1/6
!
!
line con 0
transport input none
line aux 0
line 2 3
line vty 0 4
!
end
r4#sh ip ospf int
Ethernet0 is up, line protocol is up
Internet Address 10.2.2.2/24, Area 0
Process ID 1, Router ID 10.2.2.2, Network Type BROADCAST, Cost: 10
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 10.2.2.2, Interface address 10.2.2.2
No backup designated router on this network
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:09
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 0, maximum is 0
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 0, Adjacent neighbor count is 0
Suppress hello for 0 neighbor(s)
Serial1 is up, line protocol is up
Internet Address 10.1.1.4/24, Area 0
Process ID 1, Router ID 10.2.2.2, Network Type POINT_TO_MULTIPOINT, Cost:
64
Transmit Delay is 1 sec, State POINT_TO_MULTIPOINT,
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
Hello due in 00:00:04
Index 1/1, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 1
Last flood scan time is 0 msec, maximum is 4 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 20.1.1.1
Suppress hello for 0 neighbor(s)
r4#sh ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
i - IS-IS, 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
O IA 50.0.0.0/8 [110/65] via 10.1.1.2, 02:49:35, Serial1
20.0.0.0/24 is subnetted, 1 subnets
O IA 20.1.1.0 [110/74] via 10.1.1.2, 02:49:35, Serial1
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
O 10.1.1.2/32 [110/64] via 10.1.1.2, 02:49:35, Serial1
C 10.1.1.0/24 is directly connected, Serial1
C 10.2.2.0/24 is directly connected, Ethernet0
r4#sh ip route stat
r4#sh ip route 50.0.0.0
Routing entry for 50.0.0.0/8
Known via "ospf 1", distance 110, metric 65, type inter area
Redistributing via ospf 1
Last update from 10.1.1.2 on Serial1, 02:50:06 ago
Routing Descriptor Blocks:
* 10.1.1.2, from 20.1.1.1, 02:50:06 ago, via Serial1
Route metric is 65, traffic share count is 1
r4#sh ip route 20.1.1.0
Routing entry for 20.1.1.0/24
Known via "ospf 1", distance 110, metric 74, type inter area
Redistributing via ospf 1
Last update from 10.1.1.2 on Serial1, 02:50:14 ago
Routing Descriptor Blocks:
* 10.1.1.2, from 20.1.1.1, 02:50:14 ago, via Serial1
Route metric is 74, traffic share count is 1
r4#sh ip route 10.1.1.2
Routing entry for 10.1.1.2/32
Known via "ospf 1", distance 110, metric 64, type intra area
Redistributing via ospf 1
Last update from 10.1.1.2 on Serial1, 02:50:27 ago
Routing Descriptor Blocks:
* 10.1.1.2, from 20.1.1.1, 02:50:27 ago, via Serial1
Route metric is 64, traffic share count is 1
r4#sh ip ospf d
OSPF Router with ID (10.2.2.2) (Process ID 1)
Router Link States (Area 0)
Link ID ADV Router Age Seq# Checksum Link count
10.2.2.2 10.2.2.2 340 0x80000029 0xBF7D 3
20.1.1.1 20.1.1.1 344 0x80000027 0xB9A9 2
Summary Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
20.1.1.0 20.1.1.1 1354 0x80000022 0xC51F
50.0.0.0 20.1.1.1 861 0x80000006 0x33BA
Steve
Brian Hescock
<bhescock@cis To: SFeldberg@edeltacom.com
co.com> cc: Jason Gardiner <gardiner@sprin
t.net>, CCIE
Sent by: Groupstudy <ccielab@groupstudy.com>, C
ourtney Foster
bhescock@cisc <cfoster@cnr.edu>, "Larson, Chris (Con
tractor)"
o.com <Chris.Larson@ed.gov>, lgao <lgao@cisc
o.com>,
nobody@groupstudy.com, "'Ben-Shalom, O
mer'"
<omer.ben-shalom@intel.com>, Dennis #6
11/08/2001 <vacant@home.com>
11:03 AM Subject: Re: CCBootCamp 5 OSPF ove
r frame
question
Stephen,
Please give us show version, show run (all of it), show ip ospf
interface, show ip route
static, show ip route 10.2.2.0, etc. thx
Brian
SFeldberg@edeltacom.com wrote:
> I changed it from the single supernet mask to two host masks. It makes
no
> difference.
>
> r4#sh run
> !
> interface Ethernet0
> ip address 10.2.2.2 255.255.255.0
> no ip directed-broadcast
> !
> interface Serial0
> no ip address
> no ip directed-broadcast
> no ip mroute-cache
> shutdown
> no fair-queue
> !
> interface Serial1
> ip address 10.1.1.4 255.255.255.0
> no ip directed-broadcast
> !
> interface FR-ATM20
> no ip address
> no ip directed-broadcast
> shutdown
> !
> router ospf 1
> network 10.1.1.4 0.0.0.0 area 0
> network 10.2.2.2 0.0.0.0 area 0
> ^^^^^^^^^^^^^^^^^^^^^^^^^
> !
> r2#sh ip route
>
> 20.0.0.0/24 is subnetted, 1 subnets
> C 20.1.1.0 is directly connected, Ethernet0
> 10.0.0.0/24 is subnetted, 2 subnets
> O 10.2.2.0 [110/74] via 10.1.1.4, 00:01:49, Serial1
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> C 10.1.1.0 is directly connected, Serial1
>
> Stephen Feldberg
> e ^ deltacom
> phone: 678.835.5437
> sfeldberg@edeltacom.com
>
>
> Jason
> Gardiner To: SFeldberg@edeltacom.com
> <gardiner@spr cc: CCIE Groupstudy
<ccielab@groupstudy.com>,
> int.net> Courtney Foster
<cfoster@cnr.edu>, "Larson, Chris
> Sent by: (Contractor)"
<Chris.Larson@ed.gov>, lgao
> gardiner@spri <lgao@cisco.com>,
nobody@groupstudy.com,
> nt.net "'Ben-Shalom, Omer'"
<omer.ben-shalom@intel.com>,
> Dennis #6 <vacant@home.com>
> Subject: Re: CCBootCamp 5
OSPF over frame
> 11/07/2001 question
> 05:04 PM
>
>
>
> I'll try it at home later and post if I have the same issues. I'm just
> trying way to much weird stiff on these routers - Virtual Token rings
> interfaces, DLSW and Back-to-back AUX dialer connections - to shoot the
> problem. I did notice that you are still using a /8 inverse mask on the
> R4. Change that to a host mask and see if it still works right :)
>
> SFeldberg@edeltacom.com wrote:
> >
> > Post your configs- I'll bet you were had an OSPF network type of
> > point-to-multipoint. I built the scenario using point-to-point links
and
> > it did what it was supposed to. See below:
> >
> > r2#sh run
> > !
> > interface Ethernet0
> > ip address 20.1.1.1 255.255.255.0
> > no ip directed-broadcast
> > !
> > interface Serial1
> > ip address 10.1.1.2 255.255.255.0
> > no ip directed-broadcast
> > clockrate 64000
> > !
> > router ospf 1
> > network 10.1.1.2 0.0.0.0 area 0
> > network 20.1.1.1 0.0.0.0 area 1
> >
> > r2#sh ip route
> >
> > 20.0.0.0/24 is subnetted, 1 subnets
> > C 20.1.1.0 is directly connected, Ethernet0
> > 10.0.0.0/24 is subnetted, 2 subnets
> > O 10.2.2.0 [110/74] via 10.1.1.4, 00:04:08, Serial1
> > C 10.1.1.0 is directly connected, Serial1
> >
> > r2#sh ip ospf
> > Routing Process "ospf 1" with ID 10.1.1.2
> > Supports only single TOS(TOS0) routes
> > It is an area border router
> > SPF schedule delay 5 secs, Hold time between two SPFs 10 secs
> > Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs
> > Number of external LSA 0. Checksum Sum 0x0
> > Number of DCbitless external LSA 0
> > Number of DoNotAge external LSA 0
> > Number of areas in this router is 2. 2 normal 0 stub 0 nssa
> > Area BACKBONE(0)
> > Number of interfaces in this area is 1
> > Area has no authentication
> > SPF algorithm executed 18 times
> > Area ranges are
> > Number of LSA 5. Checksum Sum 0x219AA
> > Number of DCbitless LSA 0
> > Number of indication LSA 0
> > Number of DoNotAge LSA 0
> > Area 1
> > Number of interfaces in this area is 1
> > Area has no authentication
> > SPF algorithm executed 6 times
> > Area ranges are
> > Number of LSA 3. Checksum Sum 0x1634B
> > Number of DCbitless LSA 0
> > Number of indication LSA 0
> > Number of DoNotAge LSA 0
> >
> > r2#sh ip ospf int s1
> > Serial1 is up, line protocol is up
> > Internet Address 10.1.1.2/24, Area 0
> > Process ID 1, Router ID 20.1.1.1, Network Type POINT_TO_POINT, Cost:
64
> > Transmit Delay is 1 sec, State POINT_TO_POINT,
> > Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
> > Hello due in 00:00:01
> > Neighbor Count is 1, Adjacent neighbor count is 1
> > Adjacent with neighbor 10.2.2.2
> > Suppress hello for 0 neighbor(s)
> >
> > r4#sh run
> > !
> > interface Ethernet0
> > ip address 10.2.2.2 255.255.255.0
> > no ip directed-broadcast
> > !
> > interface Serial1
> > ip address 10.1.1.4 255.255.255.0
> > no ip directed-broadcast
> > !
> > router ospf 1
> > network 10.0.0.0 0.255.255.255 area 0
> >
> > r4#sh ip route
> >
> > 20.0.0.0/24 is subnetted, 1 subnets
> > O IA 20.1.1.0 [110/74] via 10.1.1.2, 00:04:19, Serial1
> > 10.0.0.0/24 is subnetted, 2 subnets
> > C 10.2.2.0 is directly connected, Ethernet0
> > C 10.1.1.0 is directly connected, Serial1
> >
> > r4#sh ip ospf
> > Routing Process "ospf 1" with ID 10.1.1.4
> > Supports only single TOS(TOS0) routes
> > Supports opaque LSA
> > SPF schedule delay 5 secs, Hold time between two SPFs 10 secs
> > Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs
> > Number of external LSA 0. Checksum Sum 0x0
> > Number of opaque AS LSA 0. Checksum Sum 0x0
> > Number of DCbitless external and opaque AS LSA 0
> > Number of DoNotAge external and opaque AS LSA 0
> > Number of areas in this router is 1. 1 normal 0 stub 0 nssa
> > External flood list length 0
> > Area BACKBONE(0)
> > Number of interfaces in this area is 2
> > Area has no authentication
> > SPF algorithm executed 18 times
> > Area ranges are
> > Number of LSA 7. Checksum Sum 0x21240
> > Number of opaque link LSA 0. Checksum Sum 0x0
> > Number of DCbitless LSA 0
> > Number of indication LSA 0
> > Number of DoNotAge LSA 0
> > Flood list length 0
> >
> > r4#sh ip ospf int s1
> > Serial1 is up, line protocol is up
> > Internet Address 10.1.1.4/24, Area 0
> > Process ID 1, Router ID 10.2.2.2, Network Type POINT_TO_POINT, Cost:
64
> > Transmit Delay is 1 sec, State POINT_TO_POINT,
> > Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
> > Hello due in 00:00:04
> > Index 2/2, flood queue length 0
> > Next 0x0(0)/0x0(0)
> > Last flood scan length is 1, maximum is 1
> > Last flood scan time is 0 msec, maximum is 0 msec
> > Neighbor Count is 1, Adjacent neighbor count is 1
> > Adjacent with neighbor 20.1.1.1
> > Suppress hello for 0 neighbor(s)
> >
> > Steve
> >
> >
> > Jason
> > Gardiner To: "Larson, Chris
> (Contractor)"
> > <gardiner@spr <Chris.Larson@ed.gov>
> > int.net> cc: "'Ben-Shalom, Omer'"
> > Sent by: <omer.ben-shalom@intel.com>,
> lgao <lgao@cisco.com>,
> > nobody@groups Courtney Foster
> <cfoster@cnr.edu>, Dennis #6
> > tudy.com <vacant@home.com>, CCIE
> Groupstudy
> > <ccielab@groupstudy.com>
> > Subject: Re: CCBootCamp 5
> OSPF over frame
> > 11/07/2001 question
> > 04:35 PM
> > Please
> > respond to
> > Jason
> > Gardiner
> >
> >
> >
> > OK, I tried to put this to the test. When I configured networks with a
> > host mask, they show up in the remote routing table as /32s. In order
> > for the whole network to show up, I had to redist connected subnets.
> > There's to many variables in this setup. I prefer using the network
> > statement with the mask of the interface to be injected. It just works
> > better for me.
> >
> > "Larson, Chris (Contractor)" wrote:
> > >
> > > Good point. I never really thought about it that way, but your right
of
> > > course. The network statement simply identifies (in the case of OSPF)
> > which
> > > interfaces to advertise out of and therefore a host route would work.
> > >
> > > Thinking about it like that, I cannot really think of any instances
> where
> > > you would not want to , or could not simply use a host route. Would
> > everyone
> > > agree with that????
> > >
> > > Are there instances where you could not?
> > >
> > > -----Original Message-----
> > > From: Ben-Shalom, Omer [mailto:omer.ben-shalom@intel.com]
> > > Sent: Wednesday, November 07, 2001 3:00 PM
> > > To: lgao; Courtney Foster
> > > Cc: Dennis #6; CCIE Groupstudy
> > > Subject: RE: CCBootCamp 5 OSPF over frame question
> > >
> > > The OSPF network statement really has nothing to do with networks it
is
> > an
> > > access list (and that is why it uses the mask the way it does) to
> filter
> > the
> > > interfaces to take part in OSPF, you COULD use the right network mask
> for
> > > the interfaces or not, that is really a style issue.
> > > A while back I asked the same thing stating that I personally prefer
> the
> > > network mask to a host mask but later was convinced by a number of
good
> > > people that unless you have a big router with many interfaces using
the
> > host
> > > mask is cleaner and less prone to mistakes and surprises so I am now
> > using a
> > > host mask.
> > >
> > > Again - both will work and this is really a style issue nothing more.
> > >
> > > Omer.
> > >
> > > -----Original Message-----
> > > From: lgao [mailto:lgao@cisco.com]
> > > Sent: Wed, November 07, 2001 7:57 PM
> > > To: Courtney Foster
> > > Cc: Dennis #6; CCIE Groupstudy
> > > Subject: Re: CCBootCamp 5 OSPF over frame question
> > >
> > > I don't think it is the best practice to advertise a host mask, it
> looks
> > > like a lazy thing that dont' want to figure out what the true mask
is.
> > >
> > > Courtney Foster wrote:
> > >
> > > > It is a host specific mask....because you don't have
broadcast...you
> > are
> > > > telling OSPF that this host is Area 10...At least that's what I
think
> > > >
> > > > -----Original Message-----
> > > > From: Dennis #6 [mailto:vacant@home.com]
> > > > Sent: Wednesday, November 07, 2001 12:04 PM
> > > > To: CCIE Groupstudy
> > > > Subject: CCBootCamp 5 OSPF over frame question
> > > >
> > > > I noticed on the CCBootCamp lab 5 solution that the wildcard mask
on
> > > > each router for the point-to-multipoint frame connections is
0.0.0.0
> > > > (see below). Is there a good reason for using this mask as opposed
to
> > > > 0.0.0.255 (it's a /24 subnet)? When is it best to use 0.0.0.0
versus
> > > > 0.0.0.255. I thought it was normal to use the inverse mask that
> > > > corresponds to the subnet mask on that interface. What am I
missing?
> > > >
> > > > router ospf 1
> > > > redistribute igrp 1 metric 20 metric-type 1 subnets
> > > > network 172.168.100.5 0.0.0.0 area 10 !point to multipoint frame
> > > > connection network 137.20.20.0 0.0.0.255 area 0 area 10
> virtual-link
> > > > 172.168.30.97 area 10 virtual-link 172.168.100.6
> > > >
> > > > Thanks,
> > > >
> > > > Dennis #6
> > --
> > Thanks,
> >
> > Jason Gardiner
> > Supervisor, Engineering Services
> > Sprint <Insert Division Name>
> >
> > "You can swim all day in the Sea of Knowledge and
> > still come out completely dry. Most people do."
> >
> > - Norton Juster
> --
> Thanks,
>
> Jason Gardiner
> Supervisor, Engineering Services
> Sprint <Insert Division Name>
>
> "You can swim all day in the Sea of Knowledge and
> still come out completely dry. Most people do."
>
> - Norton Juster
This archive was generated by hypermail 2.1.4 : Fri Jun 21 2002 - 06:45:08 GMT-3