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andreaspechiny
Beginner

dedicated mode on Nexus7000

Hi,

i like to configure two ports in dedicated mode (eth4/1 + eth4/2).

the ports are on a modultype "N7K-F132XP-15" (32x10GE)

all ports are in one vdc membership (default configuration)

ive tried this for port eth 4/1:

bciscon7k01(config)# int eth 4/1,eth 4/3,eth 4/5,eth 4/7

bciscon7k01(config-if-range)# shut

bciscon7k01(config-if-range)# int eth 4/1

bciscon7k01(config-if)# rate-mode dedicated

after that i get the following message:

"Ignoring command for interface Ethernet4/1 as rate-mode is fixed."

i didnt find any documentation to this error message.

whats wrong in my configuration?

andreas

3 REPLIES 3
rizwanr74
Rising star

Rate Mode

On a 32-port 10-Gigabit Ethernet module, each set of four ports can handle 10 gigabits per second (Gb/s) of bandwidth. You can use the rate-mode parameter to dedicate that bandwidth to the first port in the set of four ports or share the bandwidth across all four ports.

Table 2-1 identifies the ports that are grouped together to share each 10 Gb/s of bandwidth and which port in the group can be dedicated to utilize the entire bandwidth.

Table 2-1 Dedicated and Shared Ports 

Ports Groups that Can Share Bandwidth

Ports that Can be Dedicated to Each 10-Gigabit Ethernet of Bandwidth

1, 3, 5, 7

1

2, 4, 6, 8

2

9, 11, 13, 15

9

10, 12, 14, 16

10

17, 19, 21, 23

17

18, 20, 22, 24

18

25, 27, 29, 31

25

26, 28, 30, 32

26


Note All ports in each port group must be part of the same virtual device context (VDC). For more information on VDCs, see the Cisco Nexus 7000 Series NX-OS Virtual Device Context Configuration Guide, Release 5.x.


I found this link from Cisco doc.

Answers your issue.

http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/interfaces/configuration/guide/if_basic.html

I hope that helps.

Thanks

Oleksandr Nesterov
Cisco Employee

Hi Andreas

Add here

sh mod

sh ver

Regards,

Alex

phiharri
Beginner

Greetings Andreas,

N7K-F132XP-15 doesn't have a concept of dedicated/shared mode ports as there is no port-ASIC level oversubscription. dedicated/shared config is for use on "M1" class of modules. [1]

HTH,

/Phil