I am looking to deploy WS-X4908-10G-RJ45. However I noticed that its production description listed them as 2:1 oversubscription in 4900M release notes and I was not able to find any document explaining more about it. Would someone happen to have access to such document ?
Table 1 Supported Hardware for Catalyst 4900M Series Switch
Product Number (append with “=” for spares)
8 port 10 Gigabit linecard with 2 to 1 oversubscription
I am guessing that you want to understand what is 2:1 oversubscribe ratio? Correct me if i am wrong.
In simpler terms the available backplane bandwidth to this switch is 40Gig but it has 8 ports in front with 10Gig capacity, which totals out to be 80Gig so if we divide 80 by 40, it gives reminder as 2. So in this way WS-X4908-10G-RJ45 is 2:1 oversubscribe.
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