[c-nsp] huge amount of mcast traffic

[james list]

Hi


I’m not able to find the multicast replication mode on ASR..


On core routers:


C6807 has  Supervisor Engine 2T 10GE and IOS 15.1(2)SY4


xxx>sh module
Mod Ports Card Type                              Model              Serial
No.
 --- ----- -------------------------------------- ------------------
-----------
   1   20  DCEF2T 4 port 40GE / 16 port 10GE      WS-X6904-40G       xx
   2   20  DCEF2T 4 port 40GE / 16 port 10GE      WS-X6904-40G       xx
   3    5  Supervisor Engine 2T 10GE w/ CTS (Acti VS-SUP2T-10G       xx
   5   48  CEF720 48 port 10/100/1000mb Ethernet  WS-X6848-GE-TX     xx


Mod  Sub-Module                  Model              Serial       Hw
Status


---- --------------------------- ------------------ ----------- -------
-------


  1  Distributed Forwarding Card WS-F6K-DFC4-E      xxx  1.2    Ok


  2  Distributed Forwarding Card WS-F6K-DFC4-E      xxx  1.2    Ok


  3  Policy Feature Card 4       VS-F6K-PFC4        xxx  3.0    Ok


  3  CPU Daughterboard           VS-F6K-MSFC5       xxx  3.0    Ok


  5  Distributed Forwarding Card WS-F6K-DFC4-A      xxx  1.4    Ok



xxx#sh platform multicast routing replication


Current mode of replication is Egress


Configured mode of replication is Egress



Switch  Slot                Multicast replication capability


 1       1                      Egress


 1       2                      Egress


 1       3                      Egress


 1       5                      Egress


 2       1                      Egress


 2       2                      Egress


 2       3                      Egress


 2       5                      Egress


 4       1                      Ingress


 3       1                      Ingress


 5       1                      Ingress



C6500 has Supervisor Engine 720 10GE and IOS 12.2(33)SXI5



xxx>sh module


Mod Ports Card Type                              Model              Serial
No.


--- ----- -------------------------------------- ------------------
-----------


  1   48  CEF720 48 port 10/100/1000mb Ethernet  WS-X6748-GE-TX     xxx


  2    8  CEF720 8 port 10GE with DFC            WS-X6708-10GE      xxx


  3   48  CEF720 48 port 10/100/1000mb Ethernet  WS-X6748-GE-TX     xxx


  4   48  CEF720 48 port 1000mb SFP              WS-X6748-SFP       xxx


  5    5  Supervisor Engine 720 10GE (Active)    VS-S720-10G        xxx




Mod  Sub-Module                  Model              Serial       Hw
Status


---- --------------------------- ------------------ ----------- -------
-------


  1  Distributed Forwarding Card WS-F6700-DFC3C     xxx  1.6    Ok


  2  Distributed Forwarding Card WS-F6700-DFC3C     xxx 1.8    Ok


  3  Distributed Forwarding Card WS-F6700-DFC3C     xxx  1.6    Ok


  4  Centralized Forwarding Card WS-F6700-CFC       xxx  4.2    Ok


  5  Policy Feature Card 3       VS-F6K-PFC3C       xxx  1.1    Ok


  5  MSFC3 Daughterboard         VS-F6K-MSFC3       xxx  1.0    Ok




xxx>show mls ip multicast capability


Current mode of replication is Egress


Configured replication mode is Auto



 Slot           Multicast replication capability


    1                        Egress


    2                        Egress


    3                        Egress


    4                        Egress


    5                        Egress



Cheers

2016-10-13 17:59 GMT+02:00 Matthew Huff <mhuff at ox.com>:

> Even with fabric enable blades in the c6500, you are going to get massive
> output buffer overflows. Market data has very uneven traffic patterns
> causing microburst effects. What sup-engines/blades are on the boxes? What
> type of multicast replication is being used (ingress/egress). QoS policies
> typically make matters worse. What type of interfaces are on the 6500?
>
>
> ----
> Matthew Huff             | 1 Manhattanville Rd
> Director of Operations   | Purchase, NY 10577
> OTA Management LLC       | Phone: 914-460-4039
> aim: matthewbhuff        | Fax:   914-694-5669
>
> > -----Original Message-----
> > From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> > james list
> > Sent: Thursday, October 13, 2016 10:45 AM
> > To: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] huge amount of mcast traffic
> >
> > Dear experts,
> >
> > I’ve a multicast financial market connected to my infrastructure, I’ve
> > been
> > informed that a new data multicast flow could reach up to 6 Gbs, so an
> > huge
> > amount of traffic needs to be replicated.
> >
> > Market is connected to an ASR 1001, than to a C6807-XL and customers
> > are
> > connected to C6500.
> >
> > ASR1001 is running 15.3(3)S1 and currently has a license for 2.5Gbs (to
> > be
> > upgrade)
> >
> > C6807 has  Supervisor Engine 2T 10GE and IOS 15.1(2)SY4
> >
> > C6500 has Supervisor Engine 720 10GE and IOS 12.2(33)SXI5
> >
> > I’d like to understand in your experience if the mentioned
> > infrastructure
> > could suffer in performance or throughput or other, having to replicate
> > the
> > mentioned amount of traffic.
> >
> > Thanks in advance for any feedback
> >
> > Cheers
> >
> > James
> > _______________________________________________
> > 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/
>