From: Rich Collins (nilsi2002@gmail.com)
Date: Wed Nov 12 2008 - 22:12:45 ARST
Yeah I guess you want to have CEF enabled pretty much all the time and keep
remembering to check.
On Wed, Nov 12, 2008 at 6:30 PM, Hobbs <deadheadblues@gmail.com> wrote:
> Hey Rich,
>
> CEF was disabled on R5, that was my issue. I didn't even think about it
> being a CEF issue...but that's about as basic as it gets. I read all the
> time "you must have CEF enabled...etc,etc". And I always think "no kidding,
> its enabled by default on all the routers I configure"
>
> lesson learned, i should never forget that again. :)
>
>
> On Wed, Nov 12, 2008 at 4:21 PM, Rich Collins <nilsi2002@gmail.com> wrote:
>
>>
>> So you definitely have under the global configuration: mpls traffic-eng
>> tunnels?
>>
>> What does sh mpls traffic-eng topology and tunnels show? Can you show us
>> what is configured under router ospf on R5
>>
>> -Rich
>>
>>
>> On Tue, Nov 11, 2008 at 6:51 PM, Hobbs <deampls traffic-eng tunnels
>> dheadblues@gmail.com> wrote:
>>
>>> Hello,
>>>
>>> I have:
>>>
>>> R1----R2----R5
>>>
>>> I have a tunnel that is up from R1 to R2 yet the tunnel to R2 to R5 (both
>>> ways) won't come up. I believe it is because R5 is not sending/receiving
>>> RSVP messages. I an using loopbacks as tunnel endpoints, here are some
>>> show
>>> commands:
>>>
>>> *Config for s2/0*
>>>
>>> R5#show run int s2/0
>>> interface Serial2/0
>>> ip address 192.168.25.5 255.255.255.0
>>> mpls traffic-eng tunnels
>>> fair-queue 64 256 37
>>> ip rsvp bandwidth 1000 1000
>>> end
>>>
>>> *NO RSVP messages:*
>>>
>>> R5#show ip rsvp counters summary
>>> All Interfaces Recv Xmit Recv
>>> Xmit
>>> Path 0 0 Resv 0
>>> 0
>>> PathError 0 0 ResvError 0
>>> 0
>>> PathTear 0 0 ResvTear 0
>>> 0
>>> ResvConfirm 0 0 ResvTearConfirm 0
>>> 0
>>> UnknownMsg 0 0 Errors 0
>>> 0
>>> R5#
>>>
>>> *Tunnel config:*
>>>
>>> R5#show run int tun 2
>>> interface Tunnel2
>>> ip unnumbered Loopback0
>>> tag-switching ip
>>> tunnel destination 10.0.0.2
>>> tunnel mode mpls traffic-eng
>>> tunnel mpls traffic-eng path-option 1 dynamic
>>> end
>>>
>>> R5#show mpls traffic-eng link-management int s2/0
>>> System Information::
>>> Links Count: 2
>>> Link ID:: Se2/0 (192.168.25.5)
>>> Link Status:
>>> Physical Bandwidth: 1544 kbits/sec
>>> Max Res Global BW: 1000 kbits/sec (reserved: 0% in, 0% out)
>>> Max Res Sub BW: 0 kbits/sec (reserved: 100% in, 100% out)
>>> MPLS TE Link State: MPLS TE on, RSVP on, admin-up
>>> Inbound Admission: allow-all
>>> Outbound Admission: allow-if-room
>>> Admin. Weight: 64 (IGP)
>>> IGP Neighbor Count: 0
>>> Flooding Status for each configured area [1]:
>>> IGP Area[1]: ospf area 0: not flooded
>>> (Reason: Link has no IGP adjacencies for this area)
>>> R5#
>>>
>>> R5#show ip ospf neighbor s2/0
>>> Neighbor ID Pri State Dead Time Address
>>> Interface
>>> 10.0.0.2 1 FULL/ - 00:00:37 192.168.25.2
>>> Serial2/0
>>>
>>> Any idea why the 4th command shows 0 as the IGP neighbor count?
>>>
>>> btw, I am following the troubleshooting chapter in Traffic Engineering
>>> with
>>> MPLS book. I have removed all constraints except dynamic path option and
>>> shut down all redundant links.
>>>
>>> Thanks,
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
>>> _______________________________________________________________________
>>> Subscription information may be found at:
>>> http://www.groupstudy.com/list/CCIELab.html
Blogs and organic groups at http://www.ccie.net
This archive was generated by hypermail 2.1.4 : Mon Dec 01 2008 - 08:18:30 ARST