This post is a brief explaination about knowing the specification of Nexus series switches M and F series line modules ( or I/O modules) from its name
.
I am taking example of F-Series I/O module (N7K-F248XP-25) and similarly M series can also b read.
Example:
N7K-F2 48 X P - 2 5
Below is the explanation of each field and explained with other option you may see in different line cards:
N7k
is self explanatory, it indicates the type of chassis,
F2
it is the series, family or generation of F series line cards. This one is 2nd generation, means F2 family. Similarly M1, M2, F3 and so on.
48
No. of ports on the card.
X Or F or C or G
G means ports are 1 Gig ports
X means 10 Gig ports
F means 40 Gig ports (Ex: N7K-F312FQ-25).
C indicates 100 G (Ex: N77-F312CK-26)
P or S or T or Q or Kor 2
it is interface type,
S means SFP
P means SFP+ .
T means RJ45(Ex: N7K-F248XT-25E)
Q means QSFP+(Ex: N7K-F312FQ-25) ,
K means Cisco CPAK( Ex: N77-F312CK-26)
2 means X2 (ex. N7K-M108X2-12L)
25
Means FAB2 module required and 5 FAB2 module needs to be installed to run at full capacity.
.
I am taking example of F-Series I/O module (N7K-F248XP-25) and similarly M series can also b read.
Example:
N7K-F2 48 X P - 2 5
Below is the explanation of each field and explained with other option you may see in different line cards:
N7k
is self explanatory, it indicates the type of chassis,
F2
it is the series, family or generation of F series line cards. This one is 2nd generation, means F2 family. Similarly M1, M2, F3 and so on.
48
No. of ports on the card.
X Or F or C or G
G means ports are 1 Gig ports
X means 10 Gig ports
F means 40 Gig ports (Ex: N7K-F312FQ-25).
C indicates 100 G (Ex: N77-F312CK-26)
P or S or T or Q or Kor 2
it is interface type,
S means SFP
P means SFP+ .
T means RJ45(Ex: N7K-F248XT-25E)
Q means QSFP+(Ex: N7K-F312FQ-25) ,
K means Cisco CPAK( Ex: N77-F312CK-26)
2 means X2 (ex. N7K-M108X2-12L)
25
Means FAB2 module required and 5 FAB2 module needs to be installed to run at full capacity.
"25" i guess this means the amount of the fabric modules for the linecardc. 2 = fabric 2; 5= 5x
ReplyDeletethat looks correct, i hv updated my post. thanks :-)
Deletethe 2 represents 2nd generation of fabric modules are required for the line card
ReplyDeletethe 5 relates to how many fabric modules are required to get 'full' utilization from the line card
2 here represent the fabric version on module itself. it is nothing to do with the fabric module version in chasis.
ReplyDeletewhat is the meaning of fabric version on module itself? fabric are not on modules, they are on chassis.
DeleteThere is one Fabric ASIC on each I/O module which is used to connect the I/O module to the Fabric modules.
DeleteThe first number represents the Fabric ASIC version on the module itself, in this example "2". The second letter represents how many fabric modules are required in the chassis for this particular I/O module to leverage full bandwidth for inter I/O module communication across the chassis, in this example "5".
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ReplyDeletethe efforts you get with writing this post. Thanks for sharing.
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