From: Rado Vasilev (decklandv@gmail.com)
Date: Mon Aug 04 2008 - 16:55:28 ART
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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