[c-nsp] Cisco Nexus 9K tcam carving question

[Satish Patel]

Got it what you trying to say.....  let me try and see if it works

On Fri, Apr 5, 2019 at 4:04 PM Nick Cutting <ncutting at edgetg.com> wrote:
>
> I don’t know if that would work.
>
> There is a specific relationship between the SPAN and the SFLOW.  I think it uses the same part of the TCAM.
>
>
>
> From: Satish Patel <satish.txt at gmail.com>
> Sent: Friday, April 5, 2019 4:03 PM
> To: Nick Cutting <ncutting at edgetg.com>
> Subject: Re: [c-nsp] Cisco Nexus 9K tcam carving question
>
>
>
> This message originated from outside your organization.
>
> We are not using ipv6 so why don't i give "hardware access-list tcam
> region rp-ipv6-qos 256" slice to sflow?
>
> On Fri, Apr 5, 2019 at 4:02 PM Nick Cutting <ncutting at edgetg.com> wrote:
> >
> > yes exactly right - I cannot test it on my Gen1 9300, as we are using span, but it was very similar when I did it to the 9300-EX
> >
> >
> >
> > From: Satish Patel <satish.txt at gmail.com>
> > Sent: Friday, April 5, 2019 4:00 PM
> > To: Nick Cutting <ncutting at edgetg.com>
> > Subject: Re: [c-nsp] Cisco Nexus 9K tcam carving question
> >
> >
> >
> > This message originated from outside your organization.
> >
> > You are saying make span to 0 and give it slice to sflow right?
> > something like following command?
> >
> > hardware access-list tcam region span 0
> >
> > hardware access-list tcam region sflow 256
> >
> > On Fri, Apr 5, 2019 at 3:56 PM Satish Patel <satish.txt at gmail.com> wrote:
> > >
> > > No i don't think we need SPAN port or any kind of traffic mirroring,
> > > all i care about sflow.
> > >
> > > Here is the output of my switch
> > >
> > > (config)# sh run all | in "tcam region s"
> > > hardware access-list tcam region span 256
> > > hardware access-list tcam region svi 0
> > > hardware access-list tcam region sflow 0
> > > hardware access-list tcam region span 0
> > > hardware access-list tcam region span-sflow 0
> > >
> > > On Fri, Apr 5, 2019 at 3:35 PM Nick Cutting <ncutting at edgetg.com> wrote:
> > > >
> > > > If you don't need SPAN
> > > >
> > > > Type this first, before adding the sflow carve
> > > >
> > > > hardware access-list tcam region span 0
> > > >
> > > > -----Original Message-----
> > > > From: cisco-nsp <cisco-nsp-bounces at puck.nether.net> On Behalf Of Satish Patel
> > > > Sent: Friday, April 5, 2019 3:15 PM
> > > > To: Cisco Network Service Providers <cisco-nsp at puck.nether.net>
> > > > Subject: [c-nsp] Cisco Nexus 9K tcam carving question
> > > >
> > > > This message originates from outside of your organisation.
> > > >
> > > > Folks,
> > > >
> > > > I want to enable sFlow on Cisco nexus 9300 switch on 40G interface
> > > > (GEM) module. but getting following error.
> > > >
> > > > (config)# sflow data-source interface e2/5 In order to enable sFlow sampling on North star front panel port(Ethernet2/5), please either carve both span and sflow tcam regions with non-zero sizes using the commands 'hardware access-list tcam region span <size>'
> > > > 'hardware access-list tcam region sflow <size>'
> > > > or remove both span and sflow tcam regions and carve a span-sflow tcam region with a non-zero size using the commands
> > > >
> > > >
> > > > When i am doing following, got error that means i don't have space in my tcam table so what is the best approve here?
> > > >
> > > > (config)# hardware access-list tcam region sflow 256
> > > > ERROR: Aggregate TCAM region configuration exceeded the available Ingress TCAM slices. Please re-configure.
> > > > _______________________________________________
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> > > >