From: Brian Lodwick (xpranax@xxxxxxxxxxx)
Date: Fri Oct 05 2001 - 14:51:09 GMT-3
I am getting frustrated with this IGP. I have decided to make up this crazy
lab to key in on my difficult areas and one part of it is causing me
difficulties. It is a hub spoke topology with ATM PVC's running IS-IS over
them. The routers are r7, r8, and r2. r8 is the hub and has a multipoint
sub-interface to the spokes r2, and r7. r2's ethernet 0/1/0
(172.16.20.0/24)is participating in IS-IS. What I end up getting is on r8 I
receive the route for 172.16.20.1/24, but not on r7. When I debug isis
update-packets and isis spf-events on r7 I don't get anything at all, so I
know it is not getting the update and rejecting it, it just isn't receiving
it at all for some reason. Can anyone figure out what I am doing wrong? I
have added the configs below for analysis.
Thanks in advance!
>>>Brian
Hub:
r8#sh run
Building configuration...
Current configuration : 1305 bytes
!
version 12.1
no service single-slot-reload-enable
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname r8
!
logging rate-limit console 10 except errors
!
!
!
ip subnet-zero
!
!
no ip finger
no ip domain-lookup
!
no mgcp timer receive-rtcp
!
!
call rsvp-sync
!
!
!
!
!
!
!
!
interface ATM2/0
no ip address
no atm scrambling cell-payload
atm uni-version 3.1
no atm ilmi-keepalive
!
interface ATM2/0.1 multipoint
ip address 172.16.70.2 255.255.255.0
ip router isis
pvc 7/15
protocol ip 172.16.70.1 broadcast
protocol clns 49.0000.0007.0007.0007.00 broadcast
broadcast
encapsulation aal5snap
!
pvc 8/15
protocol ip 172.16.70.3 broadcast
protocol clns 49.0000.0002.0002.0002.00 broadcast
broadcast
encapsulation aal5snap
!
isis circuit-type level-2-only
isis priority 127 level-2
isis hello-multiplier 120
isis hello-interval 40
!
!
router isis
net 49.0000.0008.0008.0008.00
!
ip kerberos source-interface any
ip classless
no ip http server
!
!
!
!
!
!
!
!
!
!
snmp-server engineID local 80000009FF0000A100E4E5B4
snmp-server manager
!
dial-peer cor custom
!
!
!
!
alias exec ip sh ip route
alias exec int sh ip int brief
alias exec ipx sh ipx route
!
line con 0
transport input none
line aux 0
line vty 0 4
login
!
end
Spoke:
r7#sh run
Building configuration...
Current configuration : 2003 bytes
!
version 12.1
no service single-slot-reload-enable
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname r7
!
logging rate-limit console 10 except errors
!
!
!
ip subnet-zero
!
!
no ip finger
no ip domain-lookup
!
no mgcp timer receive-rtcp
!
!
call rsvp-sync
!
!
!
!
!
!
!
controller T1 1/0
framing esf
linecode b8zs
channel-group 0 timeslots 1-24
!
controller T1 1/1
!
!
interface ATM0/0
ip address 172.16.70.1 255.255.255.0
ip router isis
no atm scrambling cell-payload
no atm ilmi-keepalive
pvc 5/15
protocol ip 172.16.70.2 broadcast
protocol ip 172.16.70.3 broadcast
protocol clns 49.0000.0002.0002.0002.00 broadcast
protocol clns 49.0000.0008.0008.0008.00 broadcast
broadcast
encapsulation aal5snap
!
isis circuit-type level-2-only
isis priority 0 level-2
isis hello-multiplier 120
isis hello-interval 40
!
interface Serial1/0:0
no ip address
encapsulation frame-relay
frame-relay traffic-shaping
!
interface Serial1/0:0.1 point-to-point
ip address 172.16.30.1 255.255.255.0
ip ospf network point-to-multipoint
frame-relay interface-dlci 701
class vofr
vofr cisco
!
!
router ospf 100
log-adjacency-changes
network 172.16.30.1 0.0.0.0 area 0
!
router isis
net 49.0000.0007.0007.0007.00
!
ip kerberos source-interface any
ip classless
no ip http server
!
!
!
!
!
!
!
!
!
!
map-class frame-relay vofr
no frame-relay adaptive-shaping
frame-relay fair-queue
frame-relay voice bandwidth 32000
frame-relay fragment 80
!
snmp-server engineID local 80000009FF0000A1012D34BF
snmp-server manager
!
voice-port 3/0/0
!
voice-port 3/0/1
!
voice-port 3/1/0
!
voice-port 3/1/1
!
dial-peer cor custom
!
!
!
dial-peer voice 777 pots
destination-pattern 777
port 3/1/0
!
dial-peer voice 111 vofr
destination-pattern 111
session target Serial1/0:0 701
!
!
alias exec ip sh ip route
alias exec int sh ip int brief
alias exec ipx sh ipx route
!
line con 0
transport input none
line aux 0
line vty 0 4
login
!
end
Spoke:
r2#sh run
Building configuration...
Current configuration : 2663 bytes
!
version 12.2
no service single-slot-reload-enable
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname r2
!
logging rate-limit console 10 except errors
!
ip subnet-zero
no ip finger
no ip domain-lookup
!
ip cef
no ip dhcp-client network-discovery
frame-relay switching
call rsvp-sync
!
!
!
!
!
!
!
controller T1 0/0/0
framing esf
clock source internal
linecode b8zs
channel-group 0 timeslots 1-24 speed 56
!
controller T1 0/0/1
framing esf
linecode b8zs
!
controller T1 0/0/2
framing esf
linecode b8zs
!
controller T1 0/0/3
framing esf
linecode b8zs
!
!
interface Serial0/0/0:0
no ip address
encapsulation frame-relay
no ip route-cache distributed
frame-relay intf-type dce
frame-relay route 701 interface Serial3/1 107
!
interface Ethernet0/1/0
ip address 172.16.20.1 255.255.255.240
ip router isis
no ip route-cache distributed
no keepalive
isis circuit-type level-1
isis hello-multiplier 1000
isis hello-interval 300
!
interface Ethernet0/1/1
no ip address
no ip route-cache distributed
shutdown
!
interface Ethernet0/1/2
no ip address
no ip route-cache distributed
shutdown
!
interface Ethernet0/1/3
no ip address
no ip route-cache distributed
shutdown
!
interface ATM1/0
ip address 172.16.70.3 255.255.255.0
ip router isis
no atm ilmi-keepalive
pvc 6/15
protocol ip 172.16.70.1 broadcast
protocol ip 172.16.70.2 broadcast
protocol clns 49.0000.0007.0007.0007.00 broadcast
protocol clns 49.0000.0008.0008.0008.00 broadcast
broadcast
encapsulation aal5snap
!
isis circuit-type level-2-only
isis priority 0 level-2
isis hello-multiplier 120
isis hello-interval 40
!
interface ATM2/0
no ip address
shutdown
no atm ilmi-keepalive
!
interface Serial3/0
no ip address
shutdown
!
interface Serial3/1
no ip address
encapsulation frame-relay
frame-relay intf-type dce
frame-relay route 103 interface Serial3/2 301
frame-relay route 107 interface Serial0/0/0:0 701
!
interface Serial3/2
no ip address
encapsulation frame-relay
clockrate 2000000
frame-relay intf-type dce
frame-relay route 301 interface Serial3/1 103
!
interface Serial3/3
no ip address
shutdown
!
interface Serial3/4
no ip address
shutdown
!
interface Serial3/5
no ip address
shutdown
!
interface Serial3/6
no ip address
shutdown
!
interface Serial3/7
no ip address
shutdown
!
router isis
net 49.0000.0002.0002.0002.00
!
ip kerberos source-interface any
ip classless
no ip http server
!
!
!
alias exec ip sh ip route
alias exec ipx sh ipx route
alias exec int sh ip int brief
!
line con 0
exec-timeout 0 0
transport input none
line aux 0
line vty 0 4
login
!
end
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