From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Thu May 05 2005 - 12:17:32 GMT-3
> network type. Its only needed where when you trying to prevent the
router
> from becoming a DR in a broadcast, non-broadcast or
point-to-multipoint
> non-broadcast network type. Also check your MTU settings to see if you
There is no DR/BDR election on network type point-to-multipoint
non-broadcast.
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> john matijevic
> Sent: Thursday, May 05, 2005 6:34 AM
> To: Kumar, Manoj
> Cc: ccielab@groupstudy.com
> Subject: Re: OSPF
>
> Hello Manoj,
> First step would be to remove ip ospf priority 0 on R6 Serial
interface,
> this is not needed, because ospf is configured with a
point-to-multipoint
> network type. Its only needed where when you trying to prevent the
router
> from becoming a DR in a broadcast, non-broadcast or
point-to-multipoint
> non-broadcast network type. Also check your MTU settings to see if you
> have
> set the mtu on the interface. Also if you may want to remove ospf
protocol
> reload the router, and reenter the ospf configuration.
> Sincerely,
> John
>
>
http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a008009
3f
> 0d.
> shtml
> On 5/5/05, Kumar, Manoj <manoj.kumar@citigroup.com> wrote:
> >
> > Gents,
> >
> > In my lab, I have a topology where R2 is the FR hub and R5, R6 form
the
> > spokes. I got to run OSPF and R2 and R5 form OSPF neighbors over FR
with
> no
> > issues, R6 is getting stuck at EXSTART with both R5 and R6 over FR.
R6
> is
> > forming OSPF with R5 over ETHERNET with no issues.
> >
> > I tried neighbor commands between R2 & R6, R5 & R6.
> > I tried 'ip ospf network point-to-multipoint non-broadcast on all
three
> > routers' FR interfaces
> >
> > Please help and the config for R2 & R6 is given below.
> >
> > R2#sh running-config
> > Building configuration...
> >
> > Current configuration : 2538 bytes
> > !
> > version 12.2
> > service timestamps debug uptime
> > service timestamps log uptime
> > no service password-encryption
> > !
> > hostname R2
> > !
> > !
> > ip subnet-zero
> > !
> > !
> > !
> > !
> > call rsvp-sync
> > !
> > !
> > !
> > !
> > !
> > !
> > !
> > !
> > interface Loopback0
> > description *** LOOPBACK FOR R2 ***
> > ip address 200.0.0.2 <http://200.0.0.2>
> 255.255.255.255<http://255.255.255.255>
> > !
> > interface Loopback1
> > ip address 172.16.0.1 <http://172.16.0.1> 255.255.0.0
> <http://255.255.0.0>
> > !
> > interface FastEthernet0/0
> > no ip address
> > duplex auto
> > speed auto
> > !
> > interface Serial0/0
> > no ip address
> > encapsulation frame-relay
> > no fair-queue
> > no arp frame-relay
> > cdp enable
> > no frame-relay inverse-arp
> > frame-relay lmi-type cisco
> > !
> > interface Serial0/0.24 point-to-point
> > ip address 150.50.24.2 <http://150.50.24.2>
> 255.255.255.0<http://255.255.255.0>
> > ip policy route-map greenandgold
> > no arp frame-relay
> > frame-relay interface-dlci 104
> > !
> > interface Serial0/0.256 multipoint
> > ip address 150.50.100.2 <http://150.50.100.2>
> 255.255.255.224<http://255.255.255.224>
> > ip ospf network point-to-multipoint
> > no arp frame-relay
> > frame-relay map ip 150.50.100.2 <http://150.50.100.2> 105
> > frame-relay map ip 150.50.100.5 <http://150.50.100.5> 105 broadcast
> > frame-relay map ip 150.50.100.6 <http://150.50.100.6> 106 broadcast
> > no frame-relay inverse-arp
> > !
> > interface FastEthernet0/1
> > description *** LAN CONN TO R1-FE0-0 ***
> > ip address 150.50.17.2 <http://150.50.17.2>
> 255.255.255.0<http://255.255.255.0>
> > ip policy route-map greenandgold
> > duplex auto
> > speed auto
> > !
> > interface Serial0/1
> > no ip address
> > shutdown
> > !
> > router eigrp 1
> > redistribute ospf 10 metric 100000 1 255 1 1
> > network 150.50.24.0 <http://150.50.24.0> 0.0.0.255
<http://0.0.0.255>
> > no auto-summary
> > !
> > router ospf 10
> > log-adjacency-changes
> > redistribute connected subnets route-map task10
> > redistribute static subnets
> > redistribute rip subnets
> > passive-interface Serial0/0.24
> > passive-interface FastEthernet0/1
> > passive-interface Loopback0
> > network 150.50.7.0 <http://150.50.7.0> 0.0.0.127 <http://0.0.0.127>
area
> 1
> > network 150.50.100.0 <http://150.50.100.0> 0.0.0.31
<http://0.0.0.31>
> area
> > 0
> > default-information originate always
> > !
> > router rip
> > passive-interface Serial0/0.24
> > passive-interface Serial0/0.256
> > network 150.50.0.0 <http://150.50.0.0>
> > no auto-summary
> > !
> > ip classless
> > ip default-network 172.16.0.0 <http://172.16.0.0>
> > ip route 200.0.0.1 <http://200.0.0.1>
> 255.255.255.255<http://255.255.255.255>
> > 150.50.17.1 <http://150.50.17.1>
> > ip http server
> > !
> > !
> > map-class frame-relay R2_ts
> > frame-relay adaptive-shaping becn
> > frame-relay cir 64000
> > frame-relay bc 8000
> > frame-relay be 8000
> > frame-relay mincir 32000
> > access-list 100 permit icmp host 10.1.1.4 <http://10.1.1.4>
> 150.50.5.64<http://150.50.5.64>
> > 0.0.0.31 <http://0.0.0.31>
> > access-list 101 permit icmp host 150.50.200.1 <http://150.50.200.1>
> > 150.50.5.64 <http://150.50.5.64> 0.0.0.31 <http://0.0.0.31>
> > route-map task10 permit 10
> > match interface Loopback0 Loopback1
> > !
> > route-map greenandgold permit 10
> > match ip address 100
> > set ip next-hop 150.50.100.5 <http://150.50.100.5>
> > !
> > route-map greenandgold permit 20
> > match ip address 101
> > set ip next-hop 150.50.100.6 <http://150.50.100.6>
> > !
> > !
> > dial-peer cor custom
> > !
> > !
> > !
> > !
> > !
> > line con 0
> > line aux 0
> > line vty 0 4
> > login
> > !
> > end
> >
> > R6#sh running-config
> > Building configuration...
> >
> > Current configuration : 1461 bytes
> > !
> > version 12.2
> > service timestamps debug uptime
> > service timestamps log uptime
> > no service password-encryption
> > !
> > hostname R6
> > !
> > !
> > ip subnet-zero
> > !
> > !
> > !
> > !
> > call rsvp-sync
> > !
> > !
> > !
> > !
> > !
> > !
> > !
> > !
> > interface Loopback0
> > ip address 200.0.0.6 <http://200.0.0.6>
> 255.255.255.255<http://255.255.255.255>
> > !
> > interface FastEthernet0/0
> > description *** LAN CONN TO CAT3550-2-FE0-6 ***
> > ip address 150.50.7.6 <http://150.50.7.6>
> 255.255.255.128<http://255.255.255.128>
> > ip ospf network point-to-multipoint
> > delay 100000
> > duplex auto
> > speed auto
> > !
> > interface Serial0/0
> > no ip address
> > ip ospf priority 0
> > shutdown
> > !
> > interface BRI0/0
> > no ip address
> > encapsulation hdlc
> > shutdown
> > !
> > interface FastEthernet0/1
> > no ip address
> > shutdown
> > duplex auto
> > speed auto
> > !
> > interface Serial0/1
> > no ip address
> > ip ospf priority 0
> > shutdown
> > !
> > interface Serial1/0
> > bandwidth 1544
> > ip address 150.50.100.6 <http://150.50.100.6>
> 255.255.255.224<http://255.255.255.224>
> > encapsulation frame-relay
> > ip ospf network point-to-multipoint
> > ip ospf priority 0
> > no fair-queue
> > no arp frame-relay
> > frame-relay map ip 150.50.100.2 <http://150.50.100.2> 601 broadcast
> > frame-relay map ip 150.50.100.5 <http://150.50.100.5> 605 broadcast
> > frame-relay map ip 150.50.100.6 <http://150.50.100.6> 601
> > no frame-relay inverse-arp
> > frame-relay lmi-type cisco
> > !
> > interface Serial1/1
> > no ip address
> > shutdown
> > !
> > interface Serial1/2
> > no ip address
> > shutdown
> > !
> > interface Serial1/3
> > no ip address
> > shutdown
> > !
> > router ospf 10
> > log-adjacency-changes
> > network 150.50.7.0 <http://150.50.7.0> 0.0.0.127 <http://0.0.0.127>
area
> 1
> > network 150.50.100.0 <http://150.50.100.0> 0.0.0.31
<http://0.0.0.31>
> area
> > 0
> > !
> > ip classless
> > ip http server
> > !
> > !
> > dial-peer cor custom
> > !
> > !
> > !
> > !
> > !
> > line con 0
> > line aux 0
> > line vty 0 4
> > login
> > !
> > end
> >
> > R6#
> >
> > Kind Regards,
> >
> > Manoj Ku
> >
> >
This archive was generated by hypermail 2.1.4 : Fri Jun 03 2005 - 10:11:56 GMT-3