[c-nsp] Oversubscription + port groups on WS-X6548-GE-TX

[Jim Getker (getker)]

Hi Rolf,

There is actually 6G of bandwith, 1G for each group of eight ports.  I have pasted some information from the 12.2SX release notes about this card.  

Regards,

Jim


Product ID
(append "=" for spares) Product Description
Minimum
Software
Versions
WS-X6548-GE-TX
WS-X6548V-GE-TX
WS-X6548-GE-45AF
48-port 10/100/1000 Mbps
* RJ-45
* CEF256
* WS-X6548-GE-TX supports:
- WS-F6K-VPWR-GE
- WS-F6K-GE48-AF
- WS-F6K-48-AF
* WS-X6548V-GE-TX has WS-F6K-VPWR-GE
* WS-X6548-GE-45AF has WS-F6K-GE48-AF or WS-F6K-48-AF
* With WS-F6K-GE48-AF, supports up to 45 ports of ePoE (16.8W).
* QoS port architecture (Rx/Tx): 1q2t/1p2q2t
* Number of ports: 48
Number of port groups: 2
Port ranges per port group: 1-24, 25-48
* The aggregate bandwidth of each set of 8 ports (1-8, 9-16, 17-24, 25-32, 33-40, and 41-48)
is 1 Gbps.
With Supervisor Engine 720-10GE 12.2(33)SXH
With Supervisor Engine 720
(except WS-F6K-GE48-AF or WS-F6K-48-AF)
12.2(17a)SX
WS-F6K-GE48-AF or WS-F6K-48-AF
with Supervisor Engine 720
12.2(17d)SXB
With Supervisor Engine 32 12.2(18)SXF
WS-F6K-GE48-AF or WS-F6K-48-AF
with Supervisor Engine 32
12.2(18)SXF

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of "Rolf Hanßen"
Sent: Thursday, December 01, 2011 1:52 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Oversubscription + port groups on WS-X6548-GE-TX

Hi,

I know that WS-X6548-GE-TX has only 8GBit fdx towards the chassis/bus and
I was told recently that this bandwidth is maybe divided into some kind of
port groups.

Unfortunatelly I found nothing except some old documents that describe
some ASIC limiation in old CatOS versions while using port channels.

I now would like to know if there is another limitation beside the 8GBit
total for any kind of configuration (with our without channels) with
present IOS releases and Sup720 I need to take care of with these cards.

kind regards
Rolf

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