From: spduo (frenzeus@streamyx.com)
Date: Wed Aug 01 2007 - 08:36:39 ART
As per the RFC (cant recall off-hand), it should work only with broadcast or
point-to-point. That means, u cant use nbma-type, wut type then can u use as
to not to break the requirement of the OSPF task? go figure..
-K
----- Original Message -----
From: "Ian Blaney" <ian.blaney@gmail.com>
To: "Cisco certification" <ccielab@groupstudy.com>
Sent: Tuesday, July 31, 2007 5:51 AM
Subject: Re: Traffic Engineering Tunnel Setup
>I managed to get the tunnel to come up but I am not sure why it was not
> working before.
>
> A previous IGP OSPF task asks you to change the network type to
> non-broadcast and use the neighbor command so that no other devices can
> intercept any OSPF traffic between R6 and R2 which are the first 2 devices
> in the tunnel path..
>
> I configured on R6 and a similar config on R2
>
> R6
> interface Ethernet0/1
> ip ospf network non-broadcast
>
> router ospf 1
> neighbor 131.1.26.2
>
> R2
> interface FastEthernet0/0
> ip ospf network non-broadcast
>
> router ospf 1
> neighbor 131.1.26.6
>
> With this config the tunnel does not come up but if I remove the ip ospf
> network non-broadcast and use the default broadcast the tunnel comes up.
>
> Does RSVP not work over a non-broadcast network or am I misunderstanding
> something here???
>
> Ian
>
>
>
> On 7/30/07, Ian Blaney <ian.blaney@gmail.com> wrote:
>>
>> Hello
>>
>> Could some please tell me what this message means. I am working on lab1
>> section 4.4 of the IE SP workbook. I can create a tunnel in one direction
>> but somehow not in the other direction.
>>
>> %MPLS_TE-3-CONSISTENCY: Path lookup returned path that didn't pass
>> verification: -Traceback= 0x60402F18 0x611DA574 0x611DAAA4 0x611E3E90
>> 0x611E4840
>>
>> I also see show mpls traffic-eng tunnels tunn0 gives me
>>
>> Last Error: PCALC:: Can't use link 131.1.26.6 on node 131.1.6.6
>>
>> This is my config
>>
>> interface Tunnel0
>> ip unnumbered Loopback0
>> tunnel destination 131.1.4.4
>> tunnel mode mpls traffic-eng
>> tunnel mpls traffic-eng autoroute announce
>> tunnel mpls traffic-eng priority 7 7
>> tunnel mpls traffic-eng bandwidth 10000
>> tunnel mpls traffic-eng path-option 2 dynamic
>> no routing dynamic
>>
>> interface Ethernet0/1
>> bandwidth 45000
>> ip address 131.1.26.6 255.255.255.0
>> mpls ip
>> mpls traffic-eng tunnels
>> ip rsvp bandwidth
>> end
>>
>> Rack1R6#show mpls forwarding-table 131.1.4.4
>> Local Outgoing Prefix Bytes tag Outgoing Next Hop
>> tag tag or VC or Tunnel Id switched interface
>> 20 19 131.1.4.4/32 0 Et0/1 131.1.26.2
>>
>> Rack1R6#show 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: 33750 (kbps)
>> Hop 0: 131.1.26.6 : affinity 00000000, bandwidth 33750 (kbps)
>> Hop 1: 131.1.23.2 : affinity 00000000, bandwidth 33750 (kbps)
>> Hop 2: 131.1.34.3 : affinity 00000000, bandwidth 33750 (kbps)
>> Hop 3: 131.1.34.4 : affinity 00000000, bandwidth 33750 (kbps)
>> Hop 4: 131.1.4.4
>>
>> Rack1R6#trace 131.1.4.4
>>
>> Type escape sequence to abort.
>> Tracing the route to 131.1.4.4
>>
>> 1 131.1.26.2 [MPLS: Label 19 Exp 0] 516 msec 620 msec 548 msec
>> 2 131.1.23.3 [MPLS: Label 16 Exp 0] 260 msec 520 msec 236 msec
>> 3 131.1.34.4 324 msec * 384 msec
>>
>> Rack1R6#
>>
>> Rack1R6#show mpls traffic-eng tunnels tunn0
>>
>> Name: Rack1R6_t0 (Tunnel0) Destination:
>> 131.1.3.3
>> Status:
>> Admin: up Oper: down Path: not valid Signalling: Down
>> path option 2, type dynamic
>>
>> Config Parameters:
>> Bandwidth: 10000 kbps (Global) Priority: 7 7 Affinity:
>> 0x0/0xFFFF
>> Metric Type: TE (default)
>> AutoRoute: enabled LockDown: disabled Loadshare: 10000
>> bw-based
>> auto-bw: disabled
>>
>> Shortest Unconstrained Path Info:
>> Path Weight: 4 (TE)
>> Explicit Route: 131.1.26.6 131.1.23.3 131.1.3.3
>> History:
>> Tunnel:
>> Time since created: 31 minutes, 14 seconds
>> Path Option 2:
>> Last Error: PCALC:: Can't use link 131.1.26.6 on node 131.1.6.6
>>
>> Thanks
>> Ian Blaney
>
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