From: Mike Street (mstreet@xxxxxxxxxx)
Date: Wed May 15 2002 - 18:57:52 GMT-3
The best way to make sure is to do a no router ospf 1 on all the routers at
once and then paste the code back into each one, that makes sure. Clear ip
ospf process seems quite good to.
Mike
----- Original Message -----
From: "Dennis" <cc13@attbi.com>
To: "Groupstudy ccielab list" <ccielab@groupstudy.com>
Sent: Thursday, May 16, 2002 7:49 AM
Subject: RE: OSPF Question - Is reload the solution?
> If you have recent enough code you can do clear ip ospf data...
>
> Dennis
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Carlos G Mendioroz
> Sent: Wednesday, May 15, 2002 3:31 PM
> To: Khurram Khani
> Cc: Groupstudy ccielab list
> Subject: Re: OSPF Question - Is reload the solution?
>
>
> If your problem is cleaning the database at once, that's the only
> way I know. (Each router will clear its own database, that is).
>
> The auto aging will take place after one full hour, not half.
> Half an hour is the refresh time, i.e., the time it takes
> to resend a router's own LSA when there are no changes.
>
>
> Khurram Khani wrote:
> >
> > I have around six OSPK Speakers in this Area . Is loading them all to
> > cleanup the
> > LSDB only way in my problem ? Isn't there any other "gracefull"
> mechanism.
> > Reloading
> > 6 routers doesn't make sense to me to cleanup LSDB?? Yes, wrong entry
age
> > out after
> > half an hour
> >
> > ----- Original Message -----
> > From: "Carlos G Mendioroz" <tron@huapi.ba.ar>
> > To: "Khani, Khurram [INGO1:8851:EXCH]" <kkhani@americasm06.nt.com>
> > Cc: "Groupstudy ccielab list" <ccielab@groupstudy.com>
> > Sent: Wednesday, May 15, 2002 3:13 AM
> > Subject: Re: OSPF Question - Entries not invalidating in LSDB
> >
> > > For cleaning the ospf database, usually a reload will do :-)
> > > Or it will get aged at the standard maxage of one hour...
> > >
> > >
> > > Khurram Khani wrote:
> > > >
> > > > Folks,
> > > >
> > > > I have a Router in Area 100. Original OSPF Router-ID was
1.160.240.99
> > > > I created a new loopback10 on this router assigned ip 160.160.160.1
to
> > the
> > > > loopback interface 10 on this Router. Removed "router ospf 1"
command
> > from
> > > > the
> > > > Router and pasted it back so that Router can select new Loopback ID.
> > > > It came up fine with new OSPF Router-ID 160.160.160.1. When it
> > established
> > > > the adjacency with its neighbour and state went to FULL. I can see
> the
> > old
> > > > Router-ID
> > > > still in OSPF LSDB (Database)
> > > >
> > > > Router Link States (Area 100)
> > > >
> > > > Link ID ADV Router Age Seq# Checksum Link
> > count
> > > > 1.160.240.99 1.160.240.99 988 0x80000117 0x9F31
> > ---->
> > > > invalid entry !!!!
> > > > 10.160.240.10 10.160.240.10 609 0x800000B9 0x4C5 1
> > > > 160.160.160.1 160.160.160.1 609 0x80000003 0xDE2D
> 3 ----->
> > > > changed Router ID from 1.160.240.99 to 160.160.160.1
> > > >
> > > > Putting the protocol analyzer on the link, I found that actually the
> > > > neighbour sends during DDs
> > > > Exchange neighbour is sending that LSA as part of DDB update, and
then
> > my
> > > > Router sends out a
> > > > LSR to get full update.
> > > >
> > > > My question is , how to cleanup OSPF Database and when these entries
> > will
> > > > age out in database???
> > > >
> > > > Below is my LSDB dump
> > > >
> > > > Cisco2500-1#sh ip os da
> > > >
> > > > OSPF Router with ID (160.160.160.1) (Process ID 1)
> > > >
> > > > Router Link States (Area 100)
> > > >
> > > > Link ID ADV Router Age Seq# Checksum Link
> > count
> > > > 1.160.240.99 1.160.240.99 988 0x80000117 0x9F31
> > ---->
> > > > invalid entry !!!!
> > > > 10.160.240.10 10.160.240.10 609 0x800000B9 0x4C5 1
> > > > 160.160.160.1 160.160.160.1 609 0x80000003 0xDE2D
> 3 ----->
> > > > changed Router ID from 1.160.240.99 to 160.160.160.1
> > > >
> > > > Net Link States (Area 100)
> > > >
> > > > Link ID ADV Router Age Seq# Checksum
> > > > 48.0.0.1 10.160.240.10 610 0x80000038 0x4F54
> > > >
> > > > Summary Net Link States (Area 100)
> > > >
> > > > Link ID ADV Router Age Seq# Checksum
> > > > 90.90.2.0 10.160.240.10 572 0x800000AE 0x1D15
> > > >
> > > > Type-5 AS External Link States
> > > >
> > > > Link ID ADV Router Age Seq# Checksum Tag
> > > > 25.0.0.0 160.160.160.1 648 0x80000001 0xCDE9 0
> > > > 25.0.1.0 160.160.160.1 648 0x80000001 0xC2F3 0
> > > > 25.0.2.0 160.160.160.1 648 0x80000001 0xB7FD 0
> > > > 134.0.0.0 10.160.240.10 573 0x800000AC 0x25AD 0
> > > > Sonic2500-1#
> > > >
> > > > config dump
> > > >
> > > > Sonic2500-1#sh run
> > > > Building configuration...
> > > >
> > > > Current configuration:
> > > > !
> > > > version 11.2
> > > > no service password-encryption
> > > > no service udp-small-servers
> > > > no service tcp-small-servers
> > > > !
> > > > hostname Sonic2500-1
> > > > !
> > > > enable secret 5 $1$ZyJJ$Iz6rBgFfa2bHITTJHHTAK1
> > > > !
> > > > ip subnet-zero
> > > > !
> > > > interface Loopback0
> > > > ip address 1.160.240.99 255.255.255.255
> > > > !
> > > > interface Loopback1
> > > > ip address 160.160.160.1 255.255.255.0
> > > > !
> > > > interface Loopback10
> > > > ip address 78.78.78.1 255.255.255.0
> > > > !
> > > > interface Ethernet0
> > > > ip address 48.0.0.2 255.255.255.0
> > > > !
> > > > interface Ethernet1
> > > > ip address 10.160.240.99 255.255.255.0
> > > > ip ospf priority 255
> > > > !
> > > > interface Serial0
> > > > no ip address
> > > > shutdown
> > > > !
> > > > interface Serial1
> > > > no ip address
> > > > shutdown
> > > > !
> > > > router ospf 1
> > > > redistribute static metric 1 subnets route-map range
> > > > network 48.0.0.0 0.0.0.255 area 100
> > > > network 160.0.0.0 0.255.255.255 area 100
> > > > network 78.0.0.0 0.255.255.255 area 100
> > > > !
> > > > no ip classless
> > > > ip route 0.0.0.0 0.0.0.0 10.160.240.1
> > > > ip route 25.0.0.0 255.255.255.0 Loopback10
> > > > ip route 25.0.1.0 255.255.255.0 Loopback10
> > > > ip route 25.0.2.0 255.255.255.0 Loopback10
> > > > ip route 134.177.211.0 255.255.255.0 10.160.240.1
> > > > access-list 1 permit 25.0.0.0 0.255.255.255
> > > > access-list 101 permit ip 25.0.0.0 0.255.255.255 any log
> > > > route-map range permit 10
> > > > match ip address 1
> > > > !
> > > > bridge 1 protocol ieee
> > > > !
> > > > line con 0
> > > > line aux 0
> > > > line vty 0 4
> > > > password rwa
> > > > login
> > > > !
> > > > end
> > > >
> > > > Sonic2500-1#
> > > >
> > > > Sonic2500-1#
> > > > Sonic2500-1#sh ip os ne
> > > >
> > > > Neighbor ID Pri State Dead Time Address
> > Interface
> > > > 10.160.240.10 1 FULL/DR 00:00:34 48.0.0.1
> > Ethernet0
> > > > Sonic2500-1#
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