[c-nsp] Xconnect Precednce

[Arie Vayner]

Most likely yes, assuming all values are mostly default.

Tnx, Arie

On Mon, Sep 21, 2015, 00:56 Mohammad Khalil <eng_mssk at hotmail.com> wrote:

> Thanks Arie
> Would configuring the below commands under the interface level do the
> trick ?
>
> *mls qos trust cos*
>
> *mls qos trust dscp*
>
> BR,
> Mohammad
>
> ------------------------------
> From: ariev at vayner.net
> Date: Sun, 20 Sep 2015 17:31:47 +0000
>
> Subject: Re: [c-nsp] Xconnect Precednce
> To: eng_mssk at hotmail.com; cisco-nsp at puck.nether.net
>
> 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/
>
>