From: Mushtaq A. Khan (mak.ccie2b@gmail.com)
Date: Thu Jan 26 2006 - 13:30:18 GMT-3
Chris,
Awsome. It worked this time. Thanks a lot for your kind efforts and prompt
response.
r1#sh ip os nei
Neighbor ID Pri State Dead Time Address Interface
135.1.4.4 0 FULL/ - 00:00:33 135.1.145.4 Serial0/0
135.1.2.2 0 FULL/ - - 135.1.12.2
OSPF_VL0
135.1.2.2 0 FULL/ - 00:00:38 135.1.12.2
Virtual-Access2
r2#sh ip os nei
Neighbor ID Pri State Dead Time Address Interface
135.1.1.1 0 FULL/ - - 135.1.12.1
OSPF_VL0
135.1.1.1 0 FULL/ - 00:00:32 135.1.12.1
Virtual-Access2
Mushtaq
On 1/26/06, Chris Lewis <chrlewiscsco@gmail.com> wrote:
>
> Mushtaq,
>
> Looks like you are suffering from the infamous order of operations issue.
> Try to create the virtual-link first, then assign it to a DLCI.
>
> I ran up this on my routers and it worked fine.
>
>
>
> R1#
> interface Virtual-Template1
> ip address 135.1.12.1 255.255.255.0
> interface Serial2/0
> no ip address
> encapsulation frame-relay
> frame-relay interface-dlci 122 ppp Virtual-Template1
> !
> int e0/0
> ip addr 135.1.1.1 255.255.255.0
> int s3/0
> ip addr 135.1.145.1 255.255.255.0
> router ospf 1
> router-id 135.1.1.1
> log-adjacency-changes
> area 12 virtual-link 135.1.2.2
> network 135.1.1.1 0.0.0.0 area 12
> network 135.1.12.0 0.0.0.255 area 12
> network 135.1.145.0 0.0.0.255 area 0
>
> R2#
> interface Virtual-Template1
> ip address 135.1.12.2 255.255.255.0
> interface Serial1/0
> no ip address
> encapsulation frame-relay
> frame-relay interface-dlci 221 ppp Virtual-Template1
> !
> int e0/0
> ip addr 135.1.2.2 255.255.255.0
> int s2/0
> ip addr 135.1.22.2 255.255.255.0
> !
> router ospf 1
> router-id 135.1.2.2
> log-adjacency-changes
> area 12 virtual-link 135.1.1.1
> network 135.1.2.2 0.0.0.0 area 12
> network 135.1.12.0 0.0.0.255 area 12
> network 135.1.22.0 0.0.0.255 area 2
> !
> Router1(config-router)#do sho ip ospf virt
> Virtual Link OSPF_VL0 to router 135.1.2.2 is up
> Run as demand circuit
> DoNotAge LSA allowed.
> Transit area 12, via interface Virtual-Access1, Cost of using 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
> Adjacency State FULL (Hello suppressed)
> Index 1/2, retransmission queue length 0, number of retransmission 1
> First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0)
> Last retransmission scan length is 1, maximum is 1
> Last retransmission scan time is 0 msec, maximum is 0 msec
> Router1(config-router)#
>
> 172.16.0.0/28 is subnetted, 1 subnets
> C 172.16.15.0 is directly connected, Ethernet1/0
> C 192.168.1.0/24 is directly connected, Loopback0
> 135.1.0.0/16 is variably subnetted, 6 subnets, 2 masks
> C 135.1.145.0/24 is directly connected, Serial3/0
> O 135.1.2.0/24 [110/11] via 135.1.12.2, 00:12:47, Virtual-Access1
> C 135.1.1.0/24 is directly connected, Ethernet0/0
> C 135.1.12.2/32 is directly connected, Virtual-Access1
> C 135.1.12.0/24 is directly connected, Virtual-Access1
> O IA 135.1.22.0/24 [110/65] via 135.1.12.2, 00:12:26, Virtual-Access1
> Router1(config-router)#
>
> On 1/26/06, Mushtaq A. Khan <mak.ccie2b@gmail.com> wrote:
>
> > I also had somewhat similar issue with virtual link but in my case
> > virtual
> > link was keep showing down. In my case, I'm was using PPP over
> > Frame-Relay.
> > I tried all the possible options but couldn't get it resolved. However,
> > when
> > I changed my configuration to simple Frame Relay, the virtual link came
> > up.
> > Can anyone give me some good tips to resolve this. The IOS version I
> > used is
> > 12.3(14)T4.
> >
> > Here are my configs for reference:
> >
> > R1#
> > interface Serial0/1
> > no ip address
> > encapsulation frame-relay
> > frame-relay interface-dlci 102 ppp Virtual-Template1
> > !
> > interface Virtual-Template1
> > ip address 135.1.12.1 255.255.255.0
> > !
> > !
> > router ospf 1
> > router-id 135.1.1.1
> > log-adjacency-changes
> > area 12 virtual-link 135.1.2.2
> > network 135.1.1.1 0.0.0.0 area 12
> > network 135.1.12.0 0.0.0.255 area 12
> > network 135.1.145.0 0.0.0.255 area 0
> >
> > R2#
> > interface Serial0/1
> > no ip address
> > encapsulation frame-relay
> > frame-relay interface-dlci 201 ppp Virtual-Template1
> > !
> > interface Virtual-Template1
> > ip address 135.1.12.2 255.255.255.0
> > !
> > router ospf 1
> > router-id 135.1.2.2
> > log-adjacency-changes
> > area 12 virtual-link 135.1.1.1
> > network 135.1.2.2 0.0.0.0 area 12
> > network 135.1.12.0 0.0.0.255 area 12
> > network 135.1.22.0 0.0.0.255 area 2
> > !
> >
> > Thanks,
> > Mushtaq
> >
> > On 1/26/06, Jonathan Stevens < jonathanstevens.net@googlemail.com>
> > wrote:
> > >
> > > I've noticed that this seems to vary across platform/IOS
> > >
> > >
> > > Scott Smith wrote:
> > >
> > > >It should...
> > > >
> > > >Rack1R1#sh ip ospf nei
> > > >Neighbor ID Pri State Dead Time Address
> > > Interface
> > > >150.1.4.4 0 FULL/ - 00:00:28 155.1.146.4
> > > OSPF_VL0
> > > >150.1.4.4 1 FULL/DR 00:00:33 155.1.146.4
> > > Ethernet0/0
> > > >
> > > >Rack1R1#sh ip ospf int
> > > >OSPF_VL0 is up, line protocol is up
> > > > Internet Address 0.0.0.0/0, Area 0
> > > > Process ID 1, Router ID 150.1.1.1, Network Type VIRTUAL_LINK, Cost:
> > 10
> > > > Configured as demand circuit.
> > > > Run as demand circuit.
> > > > DoNotAge LSA allowed.
> > > > Transmit Delay is 1 sec, State POINT_TO_POINT,
> > > > Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit
> > 5
> > > > oob-resync timeout 40
> > > > Hello due in 00:00:07
> > > > Index 2/3, 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 150.1.4.4 (Hello suppressed)
> > > > Suppress hello for 1 neighbor(s)
> > > >
> > > >IOS Version 12.2(15)T14.
> > > >
> > > >I believe in previous versions IOS did not show this.
> > > >
> > > >-Scott
> > > >
> > > >On 1/14/06, Victor Cappuccio <cvictor@protokolgroup.com> wrote:
> > > >
> > > >
> > > >>Why, If OSPF Virtual Links are considered to be an Interface in Area
> > 0,
> > > they
> > > >>do not appear in the show ip ospf neighbor and they do not appear
> > also
> > > in
> > > >>the show ip ospf interface??
> > > >>
> > > >>
> > > >>
> > > >>Rack1R4#show ip ospf neighbor
> > > >>Neighbor ID Pri State Dead Time
> > > Address Interface
> > > >>1.1.1.1 1 FULL/ - 00:00:32 136.1.41.1
> > > Serial0.41
> > > >>3.3.3.3 1 FULL/ - 00:01:51 136.1.234.3
> > > Serial0.234
> > > >> 2.2.2.2 1 FULL/ - 00:01:54 136.1.234.2
> > > Serial0.234
> > > >>3.3.3.3 1 FULL/ - 00:00:34 136.1.43.3
> > Serial1
> > > >>
> > > >>
> > > >>Rack1R4#show ip ospf interface | in is up
> > > >>Serial0.41 is up, line protocol is up
> > > >>Loopback0 is up, line protocol is up
> > > >>Serial0.234 is up, line protocol is up
> > > >>Serial1 is up, line protocol is up
> > > >>
> > > >>
> > > >>Rack1R4#show ip ospf virtual-links
> > > >>Virtual Link OSPF_VL0 to router 3.3.3.3 is up
> > > >> Run as demand circuit
> > > >> DoNotAge LSA allowed.
> > > >> Transit area 34, via interface Serial1, Cost of using 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
> > > >> Adjacency State FULL (Hello suppressed)
> > > >> Index 4/5, retransmission queue length 0, number of
> > retransmission 0
> > > >> First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0)
> > > >> Last retransmission scan length is 0, maximum is 0
> > > >> Last retransmission scan time is 0 msec, maximum is 0 msec
> > > >> Message digest authentication enabled
> > > >> Youngest key id is 1
> > > >>Rack1R4#
> > > >>
> > > >>Thanks
> > > >>Victor.
> > > >>
> > >
> > >>_______________________________________________________________________
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> > >
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