The MPLS WG Archive

["Kellermann,Rurick" <rurick@nortelnetworks.com>]

Arunag,

Try sending the question to mpls-ops@mplsrc.com, as this distribution
list is not for deployment / vendor-specific issues.


On Thu, 2003-07-24 at 09:52, Anurag Srivastava wrote:
> Hello,
> 
> I have a query regarding MPLS traffic-engg tunnel implementation in Cisco IOS.
> 
> Here are the tunnel details:
> --------------------------------------------------------------------
> !
> interface Tunnel1
>  ip unnumbered Loopback0
>  no ip directed-broadcast
>  no ip route-cache distributed
>  tunnel destination x.x.x.x
>  tunnel mode mpls traffic-eng
>  tunnel mpls traffic-eng priority 7 7
>  tunnel mpls traffic-eng bandwidth  1000
>  tunnel mpls traffic-eng path-option 1 explicit name path1
>  tunnel mpls traffic-eng path-option 2 explicit name path2
> --------------------------------------------------------------------
> 
> This MPLS tunnel is currently using path1 and I am interested in moving it on
> to path2. Is there any method to achieve this in a hitless
> (make-before-break or bridge-and-roll) or disruption free manner without
> affecting the traffic for a long period of time?
> 
> One simple way to move traffic is to remove path-option 1 which would force
> router to move the traffic to path-option 2 (or path2). However, for the period
> path2 is signalled and setup, traffic will be disrupted.
> 
> Looking forward for a reply...
> 
> Thanks,
> - Anurag
> 
> --
> Anurag Srivastava
> Network Software Research Center,
> Bell Labs. Research.
> (908)-582-0469
> 
>