[c-nsp] Xconnect Precednce

[Arie Vayner]

By default the 7600 and 6500 (assuming mls qos is enabled) would not trust
incoming marked traffic, and classify it as BE. On egress they would
overwrite the DHCP value according to the ingress classification.

So you need to look into the specific qos implementation of 6500/7600,
which is not trivial.

The other thing you need to look into are the qos models for MPLS (uniform
and pipe) and how they apply on the 7600.

Tnx, Arie

On Sun, Sep 20, 2015, 08:23 Mohammad Khalil <eng_mssk at hotmail.com> wrote:

> Hi arie , thanks for the reply
>
> My CE is 6509
>
>
> access-list 105 permit ip any any precedence routine log
>
> access-list 105 permit ip any any precedence priority log
>
> access-list 105 permit ip any any precedence immediate log
>
> access-list 105 permit ip any any precedence flash log
>
> access-list 105 permit ip any any precedence flash-override log
>
> access-list 105 permit ip any any precedence critical log
>
> access-list 105 permit ip any any precedence internet log
>
> access-list 105 permit ip any any precedence network log
>
> access-list 105 permit ip any any
>
>
>
> interface GigabitEthernet0/1.56
>
> encapsulation dot1Q 56
>
> ip address 10.3.3.1 255.255.255.0
>
> ip access-group 105 in
>
> ip access-group 105 out
>
>
> My PE configuration
>
>
> interface vlan 56
>
> xconnect x.x.x.x 56 encapsulation mpls
>
>
> Thanks
>
>
> BR,
>
> Mohammad
> ------------------------------
> From: ariev at vayner.net
> Date: Sun, 20 Sep 2015 14:58:28 +0000
> Subject: Re: [c-nsp] Xconnect Precednce
> To: eng_mssk at hotmail.com; cisco-nsp at puck.nether.net
>
>
> Mohammed,
>
> Can you please provide the complete interface configuration? Is this the
> PE or the CE? Which platform is it?
>
> Generally speaking, layer 2 pseudowires should use layer 2 COS for traffic
> classification.
>
> Tnx, Arie
>
> On Sat, Sep 19, 2015, 03:21 Mohammad Khalil <eng_mssk at hotmail.com> wrote:
>
> Hi all
> I am trying to test different tos values between CEs
> What am trying to test is default traffic which will fall into the routine
> traffic and another flow which should fall in the critical traffic (tos=160)
>
> My access-list looks as below
>
>
> access-list 105 permit ip any any precedence routine log
>
> access-list 105 permit ip any any precedence priority log
>
> access-list 105 permit ip any any precedence immediate log
>
> access-list 105 permit ip any any precedence flash log
>
> access-list 105 permit ip any any precedence flash-override
> log
>
> access-list 105 permit ip any any precedence critical log
>
> access-list 105 permit ip any any precedence internet log
>
> access-list 105 permit ip any any precedence network log
>
> access-list 105 permit ip any any
>
>
>
>
> interface GigabitEthernet0/1.56ip access-group 105 in
>
> ip access-group 105 out
>
>
> ping 10.3.3.1 repeat 19 tos 160
>
> ping 10.3.3.1 repeat 15
>
>
>
> Probe#sh ip access-lists
> 105
>
> Extended IP access list 105
>
>     10 permit ip any any precedence routine log (34 matches)
>
>
>     20 permit ip any any precedence priority
> log
>
>     30 permit ip any any precedence immediate
> log
>
>     40 permit ip any any precedence flash log
>
>     50 permit ip any any precedence
> flash-override log
>
>     60 permit ip any any precedence critical log
>
>
>     70 permit ip any any precedence internet
> log
>
>     80 permit ip any any precedence network
> log
>
>     90 permit ip any any
> The 19 ICMP packets should fall into the critical
> I have tested this on GNS3 and it worked fine !
> Is there something global should be enabled on the PE which is 7606?
>
> BR,Mohammad
>
>
>
>
>
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>
>