From: Henry Jiang (hojiang@cisco.com)
Date: Wed Oct 23 2002 - 01:36:57 GMT-3
Hi Neil,
Thanks for your quick response. Actually that paper demonstrates ISIS on a
fully mesh FR network.
/Henry
----- Original Message -----
From: "Neil Evans (neievans)" <neievans@cisco.com>
To: "Henry Jiang (hojiang)" <hojiang@cisco.com>; "Hung, Sing-Yu"
<Sing-Yu.Hung@pccw.com>; "LoizosCisco" <david_steven2001@yahoo.com>;
<ccielab@groupstudy.com>
Sent: Wednesday, October 23, 2002 11:41 AM
Subject: RE: RE:ISIS
> Don't know if this is of any use...
>
> http://www.cisco.com/warp/public/97/isis-frint.html
>
> Neil
>
> -----Original Message-----
> From: Henry Jiang (hojiang)
> Sent: Tuesday, October 22, 2002 8:07 PM
> To: Henry Jiang (hojiang); Hung, Sing-Yu; LoizosCisco;
> ccielab@groupstudy.com
> Subject: Re: RE:ISIS
>
>
> Hi all,
>
> It seems ISIS could not work on FR hub-spoke NBMA topology, only works
> on
> full meshed NBMA or point-to-point.
>
> But I can't find any statement about this on documentation of TAC tips.
> Anyone could help to confirm this?
>
> Thanks,
> /Henry
>
>
> ----- Original Message -----
> From: "Henry Jiang" <hojiang@cisco.com>
> To: "Hung, Sing-Yu" <Sing-Yu.Hung@pccw.com>; "LoizosCisco"
> <david_steven2001@yahoo.com>; <ccielab@groupstudy.com>
> Sent: Tuesday, October 22, 2002 6:33 PM
> Subject: Re: RE:ISIS
>
>
> > Hello,
> >
> > As I understand, ISIS treat multipoint subinterface or FR physical
> interface
> > both as LAN. So seems not necessary to change all interfaces to be
> > multipoint subinterface. But I got the same problem, too, i.e., spoke
> > router can't install the route of the other spoke's interface, though
> it
> is
> > in the ISIS database (172.16.2.0). Anyone explain this? In which
> scenarios
> > ISIS will not install a route from its database? /Henry
> >
> >
> > houlab-2611c#sh is da de
> >
> > IS-IS Level-2 Link State Database:
> > LSPID LSP Seq Num LSP Checksum LSP Holdtime
> ATT/P/OL
> > houlab-2611c.00-00 * 0x00000016 0x31A2 814
> 0/0/0
> > Area Address: 49.0001
> > NLPID: 0xCC
> > Hostname: houlab-2611c
> > IP Address: 172.16.1.1
> > Metric: 10 IP 172.16.123.0 255.255.255.0
> > Metric: 10 IS houlab-2611a.01
> > Metric: 0 IP 172.16.1.0 255.255.255.0
> > houlab-2610xm.00-00 0x0000000D 0x64F0 463
> 0/0/0
> > Area Address: 49.0002
> > NLPID: 0xCC
> > Hostname: houlab-2610xm
> > IP Address: 172.16.2.2
> > Metric: 10 IP 172.16.123.0 255.255.255.0
> > Metric: 10 IS houlab-2611a.01
> > Metric: 0 IP 172.16.2.0 255.255.255.0
> > houlab-2611a.00-00 0x00000010 0x705F 1064
> 0/0/0
> > Area Address: 49.0001
> > NLPID: 0xCC
> > Hostname: houlab-2611a
> > IP Address: 172.16.4.4
> > Metric: 10 IP 172.16.123.0 255.255.255.0
> > Metric: 10 IP 172.16.123.0 255.255.255.0
> > Metric: 0 IP 172.16.4.0 255.255.255.0
> > houlab-2611a.01-00 0x0000000E 0x1525 609
> 0/0/0
> > Metric: 0 IS houlab-2611a.00
> > Metric: 0 IS houlab-2611c.00
> > Metric: 0 IS houlab-2610xm.00
> > houlab-2611c#sh ip ro
> > 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 172.17.79.254 to network 0.0.0.0
> >
> > 172.17.0.0/24 is subnetted, 1 subnets
> > C 172.17.79.0 is directly connected, Ethernet0/0
> > 172.16.0.0/24 is subnetted, 3 subnets
> > i L2 172.16.4.0 [115/10] via 172.16.123.4, Serial0/0
> > C 172.16.1.0 is directly connected, Loopback0
> > C 172.16.123.0 is directly connected, Serial0/0
> > S* 0.0.0.0/0 [1/0] via 172.17.79.254
> > houlab-2611c#
> >
> >
> > ----- Original Message -----
> > From: "Hung, Sing-Yu" <Sing-Yu.Hung@pccw.com>
> > To: "LoizosCisco" <david_steven2001@yahoo.com>;
> <ccielab@groupstudy.com>
> > Sent: Tuesday, October 22, 2002 9:45 AM
> > Subject: RE:ISIS
> >
> >
> > > Hi,
> > >
> > > I have changed the followings:
> > > 1. change r3 s0 to s0.1 multipoint
> > > 2. Change r5 s0 to s0.1 multipoint
> > > 3. set priority at r3 s0.1 and r5 s0.1 to 0
> > >
> > > However at r5 I can see the r3 lo 10 by "sho isis da detail" but why
> it
> > can
> > > not show up at routing table?
> > >
> > > **************************************************************
> > > r5#sho isis da l1 r3.00-00 de
> > >
> > >
> > > IS-IS Level-1 LSP r3.00-00
> > > LSPID LSP Seq Num LSP Checksum LSP Holdtime
> > ATT/P/OL
> > > r3.00-00 0x0000001B 0x3384 1175
> 0/0/0
> > > Area Address: 47
> > > NLPID: 0xCC
> > > Hostname: r3
> > > IP Address: 172.16.30.3
> > > Metric: 10 IP 172.16.30.0 255.255.255.128
> > > Metric: 10 IP 172.16.100.0 255.255.255.224
> > > Metric: 10 IS r3.01
> > > Metric: 10 IS r6.01
> > > **************************************************************
> > >
> > >
> > > Bradford Hung
> > >
> > > Pacific Century CyberWorks
> > > Tel: 288 33125
> > >
> > >
> > > -----Original Message-----
> > > From: LoizosCisco [mailto:david_steven2001@yahoo.com]
> > > Sent: Monday, October 21, 2002 10:21 PM
> > > To: Hung, Sing-Yu; ccielab@groupstudy.com
> > > Subject: RE: Redistribution
> > >
> > >
> > > Why are you using ISIS and ip ospf network commands
> > > together? Since you are using ISIS you do not need the
> > > ip ospf network commands.
> > >
> > >
> >
> http://www.cisco.com/en/US/customer/tech/tk472/tk474/technologies_tech_n
> ote0
> > > 9186a008009445a.shtml
> > >
> > >
> > > --- "Hung, Sing-Yu" <Sing-Yu.Hung@pccw.com> wrote:
> > > > Hi,
> > > >
> > > > Below is my config.
> > > >
> > > > (lo10)r3(s0)-------r6(s0.2)-----------(s0)r5
> > > >
> > > > r6 is the hub and r3 and r5 is the spoke in the
> > > > frame-relay
> > > > network.And isis is enable in r3, r6 and r5.
> > > >
> > > > In the begining, r5 can see r3 lo10, however after
> > > > few mins r3 lo10 will
> > > > disappear in r5. Can anyone tell me why? And why it
> > > > is L2 not L1?
> > > >
> > > ############################################################
> > > > r3 config:
> > > > clns routing
> > > > interface Loopback10
> > > > ip address 172.16.30.3 255.255.255.128
> > > > ip router isis
> > > > ip ospf network point-to-point
> > > > interface Serial0
> > > > ip address 172.16.100.3 255.255.255.224
> > > > ip router isis
> > > > encapsulation frame-relay
> > > > ip ospf message-digest-key 100 md5 ccie100
> > > > ip ospf network point-to-multipoint
> > > > no fair-queue
> > > > frame-relay map clns 103 broadcast
> > > > frame-relay map dlsw 103
> > > > frame-relay map ip 172.16.100.5 103 broadcast
> > > > frame-relay map ip 172.16.100.6 103 broadcast
> > > > frame-relay interface-dlci 103
> > > > clns router isis
> > > > !
> > > > router isis
> > > > net 01.0000.0000.0003.00
> > > >
> > > ############################################################
> > > > r6 config:
> > > > interface Serial0.2 multipoint
> > > > ip address 172.16.100.6 255.255.255.224
> > > > ip router isis
> > > > ip pim sparse-dense-mode
> > > > ip ospf message-digest-key 100 md5 ccie100
> > > > ip ospf network point-to-multipoint
> > > > frame-relay map clns 103 broadcast
> > > > frame-relay map clns 101 broadcast
> > > > frame-relay map dlsw 103
> > > > frame-relay map ip 172.16.100.3 103 broadcast
> > > > frame-relay map ip 172.16.100.5 101 broadcast
> > > > frame-relay interface-dlci 101
> > > > class 12k
> > > > frame-relay interface-dlci 103
> > > > class 24k
> > > > clns router isis
> > > > crypto map sec-1
> > > > !
> > > > router isis
> > > > net 01.0000.0000.0006.00
> > > > !
> > > >
> > > ############################################################
> > > > r5 config:
> > > > !
> > > > interface Serial0
> > > > ip address 172.16.100.5 255.255.255.224
> > > > ip router isis
> > > > encapsulation frame-relay
> > > > ip ospf message-digest-key 100 md5 ccie100
> > > > ip ospf network point-to-multipoint
> > > > ip igmp join-group 224.1.1.1
> > > > frame-relay map clns 101 broadcast
> > > > frame-relay map ip 172.16.100.3 101 broadcast
> > > > frame-relay map ip 172.16.100.6 101 broadcast
> > > > frame-relay interface-dlci 101
> > > > frame-relay lmi-type cisco
> > > > clns router isis
> > > > !
> > > > router isis
> > > > net 01.0000.0000.0005.00
> > > > !
> > > >
> > > ############################################################
> > > >
> > > >
> > > >
> > > > r5#r
> > > > 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
> > > >
> > > > 172.16.0.0/16 is variably subnetted, 6 subnets,
> > > > 5 masks
> > > > C 172.16.135.0/28 is directly connected,
> > > > Ethernet0
> > > > C 172.16.56.0/29 is directly connected,
> > > > Dialer0
> > > > i L2 172.16.30.0/25 [115/30] via 172.16.100.6,
> > > > Serial0
> > > > C 172.16.5.0/24 is directly connected,
> > > > Loopback0
> > > > C 172.16.100.0/27 is directly connected,
> > > > Serial0
> > > > i L1 172.16.86.0/24 [115/20] via 172.16.100.6,
> > > > Serial0
> > > > r5#
> > > > r5#r
> > > > 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
> > > >
> > > > 172.16.0.0/16 is variably subnetted, 5 subnets,
> > > > 4 masks
> > > > C 172.16.135.0/28 is directly connected,
> > > > Ethernet0
> > > > C 172.16.56.0/29 is directly connected,
> > > > Dialer0
> > > > C 172.16.5.0/24 is directly connected,
> > > > Loopback0
> > > > C 172.16.100.0/27 is directly connected,
> > > > Serial0
> > > > i L1 172.16.86.0/24 [115/20] via 172.16.100.6,
> > > > Serial0
> > > >
> > > > Bradford Hung
> > > >
> > > > Pacific Century CyberWorks
> > > > Tel: 288 33125
> > >
> > >
> > > __________________________________________________
> > > Do you Yahoo!?
> > > Y! Web Hosting - Let the expert host your web site
> > > http://webhosting.yahoo.com/
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