From: Miguel Trejo (mike.trejo@gmail.com)
Date: Mon Aug 04 2008 - 17:32:48 ART
I managed to make it work with the change of ip ospf network to broadcast ,
I found an old answer on the forum regarding RSVP support on p2mp interfaces
that supports that. Which is really frustrating is that I was never able to
find docs that state that RSVP won't work on p2mp.
thanks
On Mon, Aug 4, 2008 at 2:55 PM, Rado Vasilev <decklandv@gmail.com> wrote:
> Hi Miguel,
>
> Could you change back the OSPF interface type to the default on the
> Ethernet link between R2 & R6 & shut/unshut the tunnel interface?
> Please let me know of the results - I would be interested in login in if it
> still won't work..
>
> Rado
>
> Miguel Trejo wrote:
>
>> Hi GS,
>> I have been facing an issue with MPLS-TE IEWB Lab 1 regarding MPLS-TE. So
>> far the IOS is behaving kind of weird for both 3640 and 3725. So far the
>> issue seems to be that when trying to bring up an MPLS-TE tunnel R6
>> calculates the path via PCALC with no issues as shown here:
>>
>> Rack1R6#sh mpls traffic-eng topology path destination 131.1.4.4
>> Query Parameters:
>> Destination: 131.1.4.4
>> Bandwidth: 0
>> Priorities: 0 (setup), 0 (hold)
>> Affinity: 0x0 (value), 0xFFFFFFFF (mask)
>> Query Results:
>> Min Bandwidth Along Path: 33750 (kbps)
>> Max Bandwidth Along Path: 75000 (kbps)
>> Hop 0: 131.1.26.6 : affinity 00000000, bandwidth 75000 (kbps)
>> Hop 1: 131.1.23.2 : affinity 00000000, bandwidth 33750 (kbps)
>> Hop 2: 131.1.23.3 : affinity 00000000, bandwidth 33750 (kbps)
>> Hop 3: 131.1.34.3 : affinity 00000000, bandwidth 33750 (kbps)
>> Hop 4: 131.1.4.4
>>
>> So everything seems to be fine ( RSVP, IGP, MPLS-TE) but RSVP cannot add
>> the
>> path.
>>
>> The tunnel doesn't give too much information about it:
>>
>> Rack1R6#sh mpls traffic-eng tunnels
>>
>> Name: Rack1R6_t1004 (Tunnel1004) Destination:
>> 131.1.4.4
>> Status:
>> Admin: up Oper: down Path: not valid Signalling: Down
>> path option 1, type explicit TOR4
>> path option 2, type dynamic
>>
>> Config Parameters:
>> Bandwidth: 0 kbps (Global) Priority: 7 7 Affinity:
>> 0x0/0xFFFF
>> Metric Type: TE (default)
>> AutoRoute: disabled LockDown: disabled Loadshare: 0 bw-based
>> auto-bw: disabled
>>
>> History:
>> Tunnel:
>> Time since created: 1 hours, 59 minutes
>> Path Option 2:
>> Last Error: RSVP:: Could not add RSVP Path: Operation failed
>>
>> Debug of RSVP shows that the path received from PCALC cannot be linked
>> even
>> if PCALC can find the path as shown above:
>>
>> *Mar 1 01:37:40.995: RSVP: new path message passed parsing, continue...
>> *Mar 1 01:37:40.995: RSVP: Next ERO subobject 131.1.23.2 is strict but
>> not
>> adjacent
>> *Mar 1 01:37:40.995: RSVP 131.1.6.6_434->131.1.4.4_1004[131.1.6.6]:
>> PATH:
>> Error updating received ERO (error code 2)
>>
>> However the debugs doesn't show any kind of attempt to signal this with
>> the
>> first hop on the path (which is R6). This leads me to believe that is R6
>> the
>> one that is unable to link the paths from PCALC doesn't even try to signal
>> the tunnel. I tried this with 3725 and 3640 and behaves pretty much the
>> same.
>> To add more fun, the tunnel in the other direction (from R4 to R6) is
>> working fine at least with the dynamic path option. The explicit path is
>> also not working.
>>
>> Here are the configs from R2 and R6. Please ask for anything u need, I can
>> even provide remote access. Any, and I mean ANY, light is greatly
>> appreciated, my ideas to solve this have already been discarded and I've
>> been working on this for at least a week. Thanks in advance GS guys.
>>
>> Miguel Trejo CCIE R&S 20848
>>
>> Rack1R6#term len 0
>> Rack1R6#sh run
>> Building configuration...
>>
>> Current configuration : 4021 bytes
>> !
>> version 12.3
>> service timestamps debug datetime msec
>> no service timestamps log uptime
>> no service password-encryption
>> !
>> hostname Rack1R6
>> !
>> boot-start-marker
>> boot-end-marker
>> !
>> !
>> no aaa new-model
>> !
>> resource policy
>> !
>> memory-size iomem 5
>> ip subnet-zero
>> !
>> !
>> ip cef
>> no ip domain lookup
>> no ip dhcp use vrf connected
>> !
>> !
>> ip vrf VPN_A
>> rd 100:1
>> route-target export 100:67
>> route-target import 100:42
>> route-target import 100:5
>> mdt default 239.100.0.1
>> !
>> ip multicast-routing
>> ip multicast-routing vrf VPN_A
>> mpls label protocol ldp
>> mpls ldp neighbor 131.1.2.2 password CISCO
>> mpls traffic-eng tunnels
>> tag-switching tdp router-id Loopback0
>> !
>> !
>> key chain RIP
>> key 1
>> key-string CISCO
>> !
>> !
>> !
>> !
>> !
>> !
>> !
>> !
>> !
>> !
>> !
>> !
>> !
>> class-map match-all RIP
>> match protocol rip
>> class-map match-all VOICE
>> match access-group name VOICE
>> class-map match-all EXP4
>> match mpls experimental topmost 4
>> class-map match-all EXP3
>> match mpls experimental topmost 3
>> !
>> !
>> policy-map CU_QOS
>> class VOICE
>> police 640000 conform-action set-mpls-exp-imposition-transmit 4
>> class RIP
>> class class-default
>> police 1000000 conform-action set-mpls-exp-imposition-transmit 3
>> policy-map SP_QOS
>> class EXP3
>> bandwidth 1000
>> class EXP4
>> priority 640
>> !
>> !
>> !
>> !
>> interface Tunnel1004
>> ip unnumbered Loopback0
>> tunnel destination 131.1.4.4
>> tunnel mode mpls traffic-eng
>> tunnel mpls traffic-eng path-option 1 explicit name TOR4
>> tunnel mpls traffic-eng path-option 2 dynamic
>> no routing dynamic
>> !
>> interface Loopback0
>> ip address 131.1.6.6 255.255.255.255
>> ip pim sparse-mode
>> !
>> interface FastEthernet0/0
>> ip vrf forwarding VPN_A
>> ip address 129.1.67.6 255.255.255.0
>> ip rip authentication mode md5
>> ip rip authentication key-chain RIP
>> ip pim sparse-mode
>> speed 100
>> full-duplex
>> service-policy input CU_QOS
>> !
>> interface FastEthernet0/1
>> ip address 131.1.26.6 255.255.255.0
>> ip pim sparse-dense-mode
>> ip ospf message-digest-key 1 md5 CISCO
>> ip ospf network point-to-multipoint non-broadcast
>> speed 100
>> full-duplex
>> mpls traffic-eng tunnels
>> tag-switching ip
>> service-policy output SP_QOS
>> ip rsvp bandwidth
>> ip rsvp resource-provider none
>> !
>> interface Serial1/0
>> ip address 54.1.2.6 255.255.255.0
>> encapsulation frame-relay
>> serial restart-delay 0
>> no dce-terminal-timing-enable
>> frame-relay map ip 54.1.2.254 100
>> no frame-relay inverse-arp
>> !
>> interface Serial1/1
>> no ip address
>> shutdown
>> serial restart-delay 0
>> no dce-terminal-timing-enable
>> !
>> interface Serial1/2
>> no ip address
>> shutdown
>> serial restart-delay 0
>> no dce-terminal-timing-enable
>> !
>> interface Serial1/3
>> no ip address
>> shutdown
>> serial restart-delay 0
>> no dce-terminal-timing-enable
>> !
>> router ospf 1
>> mpls traffic-eng router-id Loopback0
>> mpls traffic-eng area 0
>> router-id 131.1.6.6
>> log-adjacency-changes
>> network 131.1.6.6 0.0.0.0 area 0
>> network 131.1.26.6 0.0.0.0 area 0
>> neighbor 131.1.26.2
>> !
>> router rip
>> !
>> address-family ipv4 vrf VPN_A
>> redistribute bgp 100 metric 1
>> network 129.1.0.0
>> no auto-summary
>> version 2
>> exit-address-family
>> !
>> router bgp 100
>> no synchronization
>> bgp log-neighbor-changes
>> neighbor 54.1.2.254 remote-as 54
>> neighbor 54.1.2.254 route-map FROMAS54 in
>> neighbor 131.1.1.1 remote-as 100
>> neighbor 131.1.1.1 update-source Loopback0
>> neighbor 131.1.1.1 next-hop-self
>> neighbor 131.1.1.1 send-community both
>> no auto-summary
>> !
>> address-family vpnv4
>> neighbor 131.1.1.1 activate
>> neighbor 131.1.1.1 send-community both
>> exit-address-family
>> !
>> address-family ipv4 vrf VPN_A
>> redistribute rip
>> no auto-summary
>> no synchronization
>> exit-address-family
>> !
>> ip http server
>> ip classless
>> !
>> !
>> ip pim vrf VPN_A rp-address 129.1.67.6
>> !
>> ip explicit-path name TOR4 enable
>> next-address 131.1.26.2
>> next-address 131.1.12.1
>> next-address 131.1.13.3
>> next-address 131.1.34.4
>> !
>> !
>> ip access-list extended VOICE
>> permit udp any any range 16384 32767
>> !
>> route-map FROMAS54 permit 10
>> set local-preference 200
>> set community 6553654
>> !
>> !
>> !
>> !
>> control-plane
>> !
>> !
>> !
>> !
>> !
>> !
>> !
>> !
>> gatekeeper
>> shutdown
>> !
>> !
>> line con 0
>> exec-timeout 0 0
>> logging synchronous
>> line aux 0
>> line vty 0 4
>> privilege level 15
>> no login
>> !
>> end
>>
>> Rack1R6#
>> telnet> q
>> Connection closed.
>> mktrejo@atlantis:~$ telnet localhost 2002
>> Trying 127.0.0.1...
>> Connected to localhost.
>> Escape character is '^]'.
>> Connected to Dynamips VM "R2" (ID 1, type c7200) - Console port
>>
>>
>> Rack1R2(config)#end
>> Rack1R2#term le
>> %SYS-5-CONFIG_I: Configured from console by console
>> Rack1R2#term len 0
>> Rack1R2#sh run
>> Building configuration...
>>
>> Current configuration : 2707 bytes
>> !
>> version 12.2
>> no service timestamps debug uptime
>> no service timestamps log uptime
>> no service password-encryption
>> !
>> hostname Rack1R2
>> !
>> boot-start-marker
>> boot-end-marker
>> !
>> !
>> ip subnet-zero
>> ip cef
>> !
>> !
>> no ip domain-lookup
>> ip domain-name atlantis.com
>> !
>> ip multicast-routing
>> mpls traffic-eng tunnels
>> no mpls traffic-eng auto-bw timers frequency 0
>> mpls ldp neighbor 131.1.6.6 password CISCO
>> mpls ldp router-id Loopback0
>> mpls label protocol ldp
>> call rsvp-sync
>> !
>> !
>> !
>> !
>> !
>> !
>> !
>> class-map match-all EXP4
>> match mpls experimental topmost 4
>> class-map match-all EXP3
>> match mpls experimental topmost 3
>> !
>> !
>> policy-map SP_QOS
>> class EXP3
>> bandwidth 1000
>> class EXP4
>> priority 640
>> !
>> !
>> !
>> interface Loopback0
>> ip address 131.1.2.2 255.255.255.255
>> no clns route-cache
>> !
>> interface FastEthernet0/0
>> bandwidth 100000
>> ip address 131.1.26.2 255.255.255.0
>> ip pim sparse-dense-mode
>> service-policy output SP_QOS
>> ip ospf message-digest-key 1 md5 CISCO
>> ip ospf network point-to-multipoint non-broadcast
>> duplex full
>> mpls traffic-eng tunnels
>> mpls ip
>> no clns route-cache
>> ip rsvp bandwidth 100000
>> !
>> interface Serial2/0
>> no ip address
>> encapsulation frame-relay
>> serial restart-delay 0
>> no frame-relay inverse-arp
>> no clns route-cache
>> ip rsvp bandwidth
>> !
>> interface Serial2/0.12 point-to-point
>> ip address 131.1.12.2 255.255.255.248
>> ip pim sparse-dense-mode
>> mpls traffic-eng tunnels
>> mpls ip
>> frame-relay interface-dlci 201
>> ip rsvp bandwidth
>> !
>> interface Serial2/0.23 point-to-point
>> ip address 131.1.23.2 255.255.255.248
>> ip ospf authentication null
>> ip ospf network broadcast
>> ip ospf priority 0
>> mpls traffic-eng tunnels
>> mpls ip
>> frame-relay interface-dlci 213
>> ip rsvp bandwidth
>> !
>> interface Serial2/1
>> no ip address
>> shutdown
>> serial restart-delay 0
>> no clns route-cache
>> !
>> interface Serial2/2
>> no ip address
>> shutdown
>> serial restart-delay 0
>> no clns route-cache
>> !
>> interface Serial2/3
>> no ip address
>> shutdown
>> serial restart-delay 0
>> no clns route-cache
>> !
>> interface ATM3/0
>> no ip address
>> no atm enable-ilmi-trap
>> no clns route-cache
>> !
>> interface ATM4/0
>> no ip address
>> shutdown
>> no atm enable-ilmi-trap
>> no clns route-cache
>> !
>> interface Lex0
>> no ip address
>> no clns route-cache
>> !
>> router ospf 1
>> log-adjacency-changes
>> network 131.1.2.2 0.0.0.0 area 0
>> network 131.1.12.0 0.0.0.7 area 0
>> network 131.1.23.0 0.0.0.7 area 0
>> network 131.1.26.2 0.0.0.0 area 0
>> neighbor 131.1.26.6
>> mpls traffic-eng router-id Loopback0
>> mpls traffic-eng area 0
>> !
>> ip classless
>> !
>> no ip http server
>> !
>> ip mroute 0.0.0.0 0.0.0.0 131.1.12.1
>> !
>> !
>> !
>> !
>> !
>> control-plane
>> !
>> !
>> dial-peer cor custom
>> !
>> !
>> !
>> !
>> line con 0
>> exec-timeout 0 0
>> logging synchronous
>> stopbits 1
>> line aux 0
>> stopbits 1
>> line vty 0 4
>> privilege level 15
>> no login
>> !
>> !
>> end
>>
>> Rack1R2#
>>
>>
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