[j-nsp] Setting CoS bits on ingress frames

[Victor Sudakov]

Alexander, 

There is one thing (two, actually :-) I cannot understand, please bear
with me. Does your "fixed port classifier" change the way frames are
processed in the switch (queue assignment etc) or is this
classification purely a marker?

After you assign a forwarding-class with the first stanza, is there a
show command to verify that the classifier has worked, that something
in fact has happened?


Alexander Arseniev wrote:
> That's what my "fixed port classifier" does - any packet entering the 
> given port is assigned a FC:
> 
> class-of-service {
>      interfaces {
>          ge-0/0/0 { ### ingress untagged interface for Internet traffic
>              unit 0 {
>                  forwarding-class be1;
>              }}
> Then this FC is matched on egress port and 802.1p bits are rewritten:
>          ge-1/0/0 { ### egress tagged interface for Internet traffic
>              unit 0 {
>                  rewrite-rules {
>                      ieee-802.1 test1; }}}}
> 
> On 24/06/2015 07:34, Victor Sudakov wrote:
> > Yes but there should be a way to say "any packet enering this untagged
> > port should be processed as if it has such and such CoS value."
> >
> > Alexander Arseniev wrote:
> >> Not on untagged ports - IEEE 802.1 PCP bits are only present in tagged
> >> frames.
> >> Thanks
> >> Alex
> >>
> >> On 23/06/2015 12:47, Victor Sudakov wrote:
> >>> Alexander Arseniev wrote:
> >>>> On 17/06/2015 15:45, Victor Sudakov wrote:
> >>>>> Would you care to give a simple example?
> >>>> Of course. Please try the below and see if it works for You:
> >>> While trying to implement your example, I have come across something
> >>> called a classifier:
> >>>
> >>> admin at sw-kedr> show class-of-service classifier type ieee-802.1
> >>> Classifier: ieee8021p-default, Code point type: ieee-802.1, Index: 11
> >>>     Code point         Forwarding class                    Loss priority
> >>>     000                best-effort                         low
> >>>     001                best-effort                         low
> >>>     010                best-effort                         low
> >>>
> >>> admin at sw-kedr> show class-of-service interface ge-0/0/12.0
> >>>     Logical interface: ge-0/0/12.0, Index: 81
> >>> Object                  Name                   Type                    Index
> >>> Classifier              ieee8021p-untrust      untrust                    16
> >>>
> >>> Can I possibly define my own ieee-802.1 classifier and apply it on ingress?
> >>>
> >>>
> 

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru