[alcatel-nsp] Class-Based Forwarding

Bryan deadheadblues at gmail.com
Fri Jan 28 17:44:28 EST 2011


Thanks Phil. I just came across that as well in the Services Guide but
it still didn't work...I'm gonna take a break and work on it Monday.
If you come up with any other suggestions let me know.

Thanks!

On Fri, Jan 28, 2011 at 3:29 PM, Phil Bedard <philxor at gmail.com> wrote:
> I believe there is a requirement to use shared queueing on a VLL SAP which
> you want to use CBF with.  So you would use the "shared-queueing" keyword
> when you assign the sap-ingress policy to the sap.
>
>     sap 1/1/2 create
>                ingress
>                    qos 2 shared-queueing
>                exit
>            exit
>
>
>
> Phil
>
> On 1/28/11 4:18 PM, "Bryan" <deadheadblues at gmail.com> wrote:
>
>>Hi,
>>
>>I cannot get CB forwarding to work. Perhaps I have configured
>>something wrong. My service and SDPs are working and I can ping
>>through the service fine. Traffic toward 7.7.7.1 should get put in fc
>>"af" and travel across LSP1, traffic toward 7.7.7.2 should get put in
>>"ef" class and travel across LSP2. I can see that traffic is getting
>>put in the right fc by looking at the sap stats, however when I
>>monitor the port stats (monitor port 1/1/x/ absolute) I can tell
>>traffic to 7.7.7.2 is not taking LSP2, but rather the default lsp
>>LSP1. Here are the relevant config pieces, if you need more let me
>>know.
>>
>>Topology description:
>>
>>CE1 is connected to R3, CE2 (7.7.7.1 and 7.7.7.2) is connected to R5.
>>R3 (10.1.1.3) has two paths to R5 (10.1.1.5), one direct (LSP1: R3-R5)
>>and one through R4 and R6 (LSP2: R3-R4-R6-R5).
>>
>>
>>QOS CONFIGURATION:
>>
>>*A:r3>config>qos# info
>>----------------------------------------------
>>#--------------------------------------------------
>>echo "QoS Policy Configuration"
>>#--------------------------------------------------
>>        sap-ingress 2 create
>>            queue 1 create
>>            exit
>>            queue 3 create
>>            exit
>>            queue 5 create
>>            exit
>>            queue 11 multipoint create
>>            exit
>>            fc "af" create
>>                queue 3
>>            exit
>>            fc "ef" create
>>                queue 5
>>            exit
>>            ip-criteria
>>                entry 10 create
>>                    match
>>                        dst-ip 7.7.7.1/32
>>                    exit
>>                    action fc "af"
>>                exit
>>                entry 20 create
>>                    match
>>                        dst-ip 7.7.7.2/32
>>                    exit
>>                    action fc "ef"
>>                exit
>>            exit
>>        exit
>>
>>SERVICE CONFIGURATION:
>>
>>*A:r3>config>service# info
>>----------------------------------------------
>>        customer 1 create
>>            description "Default customer"
>>        exit
>>        sdp 5 mpls create
>>            far-end 10.1.1.5
>>            lsp "LSP1"
>>            lsp "LSP2"
>>            keep-alive
>>                shutdown
>>            exit
>>            class-forwarding default-lsp "LSP1"
>>                fc "af" lsp "LSP1"
>>                fc "ef" lsp "LSP2"
>>                no shutdown
>>            exit
>>            no shutdown
>>        exit
>>        epipe 1 customer 1 create
>>            sap 1/1/2 create
>>                ingress
>>                    qos 2
>>                exit
>>            exit
>>            spoke-sdp 5:1 create
>>            exit
>>            no shutdown
>>        exit
>>----------------------------------------------
>>
>>MPLS CONFIGURATION:
>>
>>*A:r3>config>router>mpls# info
>>----------------------------------------------
>>            interface "system"
>>            exit
>>            interface "tor4"
>>            exit
>>            interface "tor5"
>>            exit
>>            path "r5a"
>>                hop 10 10.3.5.5 strict
>>                no shutdown
>>            exit
>>            path "r5b"
>>                hop 10 10.3.4.4 strict
>>                hop 20 10.4.6.6 strict
>>                hop 30 10.5.6.5 strict
>>                no shutdown
>>            exit
>>            lsp "LSP1"
>>                to 10.1.1.5
>>                primary "r5a"
>>                exit
>>                no shutdown
>>            exit
>>            lsp "LSP2"
>>                to 10.1.1.5
>>                primary "r5b"
>>                exit
>>                no shutdown
>>            exit
>>            no shutdown
>>----------------------------------------------
>>
>>MPLS LSP AND SDP STATUS:
>>
>>*A:r3# show router mpls lsp
>>
>>==========================================================================
>>=====
>>MPLS LSPs (Originating)
>>==========================================================================
>>=====
>>LSP Name                           To                  Fastfail     Adm
>>Opr
>>                                                       Config
>>--------------------------------------------------------------------------
>>-----
>>LSP1                               10.1.1.5            No           Up
>>Up
>>LSP2                               10.1.1.5            No           Up
>>Up
>>--------------------------------------------------------------------------
>>-----
>>LSPs : 2
>>==========================================================================
>>=====
>>*A:r3# show service sdp
>>
>>==========================================================================
>>====
>>Services: Service Destination Points
>>==========================================================================
>>====
>>SdpId    Adm MTU  Opr MTU  IP address       Adm  Opr         Deliver
>>Signal
>>--------------------------------------------------------------------------
>>----
>>5        0        1556     10.1.1.5         Up   Up          MPLS
>>TLDP
>>--------------------------------------------------------------------------
>>----
>>Number of SDPs : 1
>>--------------------------------------------------------------------------
>>----
>>==========================================================================
>>====
>>
>>
>>Can you see anything wrong?
>>
>>Thanks,
>>
>>Bryan
>>_______________________________________________
>>alcatel-nsp mailing list
>>alcatel-nsp at puck.nether.net
>>https://puck.nether.net/mailman/listinfo/alcatel-nsp
>
>
>



More information about the alcatel-nsp mailing list