[c-nsp] C6509 Fabric Switch Capacity

[Chris Knipe]

Hi,

Just wanted to chip in here...

Whilst I can understand over subscription (and subsequent drops) on the
WS-X6708, would the same hold true for the WS-X7604?

On Wed, Jan 13, 2016 at 3:35 PM, Chuck Church <chuckchurch at gmail.com> wrote:

> Like others said, the ports are mapped to ASICs and ASICs mapped to
> channels.  Packets will drop.  A useful command is 'show platform hardware
> capacity'.  That list peak utilizations along with when they happened.  At
> least it should, older SXF didn't seem to have it working right, but I
> think
> SXH should be ok.
>
> Chuck
>
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> Alireza Soltanian
> Sent: Wednesday, January 13, 2016 6:55 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] C6509 Fabric Switch Capacity
>
> Hi everybody
>
> We have C6509-E with SUP720-3BXL. Based on what I understood from Cisco
> Website, in this setup we can have 40Gbps in Fabric Switch between slots.
> This Fabric Switch is divided into two 20Gbps channels.
>
> Now in one our chassis we have this setup:
>
>
>
> Mod Ports Card Type                              Model              Serial
> No.
>
> --- ----- -------------------------------------- ------------------
> -----------
>
>   2    8  CEF720 8 port 10GE with DFC            WS-X6708-10GE
> -----------
>
>   3   48  CEF720 48 port 1000mb SFP              WS-X6748-SFP
> -----------
>
>   4   48  CEF720 48 port 1000mb SFP              WS-X6748-SFP
> -----------
>
>   5    2  Supervisor Engine 720 (Hot)            WS-SUP720-3BXL
> -----------
>
>   6    2  Supervisor Engine 720 (Active)         WS-SUP720-3BXL
> -----------
>
>   7   48  CEF720 48 port 1000mb SFP              WS-X6748-SFP
> -----------
>
>   8    8  CEF720 8 port 10GE with DFC            WS-X6708-10GE
> -----------
>
>   9    8  CEF720 8 port 10GE with DFC            WS-X6708-10GE
> -----------
>
>
>
> Mod MAC addresses                       Hw    Fw           Sw
> Status
>
> --- ---------------------------------- ------ ------------ ------------
> -------
>
>   2  0026.cbb2.3968 to 0026.cbb2.396f   2.1   12.2(18r)S1  12.2(33)SXH8 Ok
>
>   3  0026.993a.a8bc to 0026.993a.a8eb   2.3   12.2(18r)S1  12.2(33)SXH8 Ok
>
>   4  0015.c640.24f4 to 0015.c640.2523   1.5   12.2(14r)S5  12.2(33)SXH8 Ok
>
>   5  000a.b818.94f8 to 000a.b818.94fb   5.2   8.4(2)       12.2(33)SXH8 Ok
>
>   6  001b.d50d.9224 to 001b.d50d.9227   5.9   8.5(4)       12.2(33)SXH8 Ok
>
>   7  001d.70dc.a8f0 to 001d.70dc.a91f   1.14  12.2(14r)S5  12.2(33)SXH8 Ok
>
>   8  0023.0455.bd80 to 0023.0455.bd87   1.6   12.2(18r)S1  12.2(33)SXH8 Ok
>
>   9  0018.b967.2338 to 0018.b967.233f   1.3   12.2(18r)S1  12.2(33)SXH8 Ok
>
>
>
> Mod  Sub-Module                  Model              Serial       Hw
> Status
>
> ---- --------------------------- ------------------ ----------- -------
> -------
>
>   2  Distributed Forwarding Card WS-F6700-DFC3CXL   -----------  1.6    Ok
>
>   3  Distributed Forwarding Card WS-F6700-DFC3BXL   -----------  5.6    Ok
>
>   4  Distributed Forwarding Card WS-F6700-DFC3BXL   -----------  5.3    Ok
>
>   5  Policy Feature Card 3       WS-F6K-PFC3BXL     -----------  1.8    Ok
>
>   5  MSFC3 Daughterboard         WS-SUP720          -----------  2.5    Ok
>
>   6  Policy Feature Card 3       WS-F6K-PFC3BXL     -----------  1.10   Ok
>
>   6  MSFC3 Daughterboard         WS-SUP720          -----------  3.5    Ok
>
>   7  Distributed Forwarding Card WS-F6700-DFC3BXL   -----------  5.3    Ok
>
>   8  Distributed Forwarding Card WS-F6700-DFC3CXL   -----------  1.0    Ok
>
>   9  Distributed Forwarding Card WS-F6700-DFC3CXL   -----------  1.0    Ok
>
>
>
> This output shows the Fabric Switch Utilization on each Slot:
>
>
>
> show fabric utilization
>
>  slot    channel      speed    Ingress %     Egress %
>
>     2          0        20G           11           55
>
>     2          1        20G           16           13
>
>     3          0        20G            3            7
>
>     3          1        20G            1            2
>
>     4          0        20G           15            2
>
>     4          1        20G           17            3
>
>     5          0        20G            0            0
>
>     6          0        20G            0            0
>
>     7          0        20G           17            2
>
>     7          1        20G           15            2
>
>     8          0        20G           13           53
>
>     8          1        20G           35           59
>
> 9            0        20G           32           19
>
>
>
> My questions are is What will happen if we exceed capacity(Egress or
> Ingress) in Channel#0 of Slot#2? Will device use Capacity of Channel#1?
>
>
>
> Thank you
>
> Alireza
>
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-- 

Regards,
Chris Knipe