Latest posts
-
Difference between 5548P and 5548UP?
In both 5548UP and 5548P, It has 32 ports in fixed slot 1 and 16 ports in expansion module i.e slot 2. In 5548P, we can only have 16 FC ports which are on expansion module. We cannot convert Ethernet port in fixed slot to FC whereas in 5548UP all 48 ports (including 32 fixed…
-
Cisco 7700 VS 7000 Nexus switch
7700 is the advance version of 7000 switch with more capacity. Below are the three 77K series models :- 7702 Up to 5 Tbps 3 rack-unit 7706 Up to 21 Tbps 9 rack-unit 7710 42 terabits per second (Tbps) 14–rack-unit form factor 7718 83 terabits per second (Tbps) 26 rack-unit What is the difference between nexus 7000…
-
XL vs non XL M cards- 7000 Nexus
M1 card are primary used for L3 functionality.M1 card can also perform basic Layer 2 function. It cannot perform advance Layer 2 feature like Fabricpath and FCOE. M1 line card comes with two version XL and non XL version. Both have the same architecture, the only difference between them is the memory to handle TCAM,…
-
Shared Vs. Dedicated port mode in Nexus 7000
I took the example of line card N7K-M132XP-12 to explain the dedicated and shared mode. Please refer to the below architecture of the line card. I got this from Cisco document. As you can see there is a 4:1 MUX which combines traffic from four ports and send it to replication engine via one 10Gig…
-
M series card architecture – Cisco Nexus 7000
M-series card is used for L3 purpose like routing ACLs. We must have at least one M1 card in the chassis to get the routing or L3 facility. Otherwise we cannot create SVI s and do inter vlan communication. To check the available model and their feature, please refer http://netterrene.blogspot.in/2014/09/difference-between-m-series-and-f.html Below is the architecture of…
-
Difference between M-series and F-series card in Nexus 7000.
Cisco Nexus line cards are of two types: – M series and F series. M card is basically used for L3 purpose like routing etc. whereas F series card was originally a Layer2 card. New third generation of F-series can support L3 features like MPLS, OTV etc. Below is the list of M-series and F-series…
-
Nexus Line card Naming Conventions
In the below chart I tried to explain the fields present in the Nexus line card model number. I have taken N7K-F248XT-25E as an example but you can drive the details of any line card using it.
-
What is GGSN ?
GGSN – Gateway GPSR support Node is the mobility anchor point within the mobile packet core network. It provides connectivity to the SGSN (Serving GPRS support Node) and PDN (Packet data network). Session state information of the subscriber is always maintained at the GGSN. It also maintains the necessary information required to route the user…
-
What is GGSN ?
GGSN – Gateway GPSR support Node is the mobility anchor point within the mobile packet core network. It provides connectivity to the SGSN (Serving GPRS support Node) and PDN (Packet data network). Session state information of the subscriber is always maintained at the GGSN. It also maintains the necessary information required to route the user…
-
What is Fabric module in Cisco Nexus 7000 switches ?
Fabric modules provide connectivity between Supervisor module and line cards. 7k chassis support up to 5 fabric cards. Fabric cards must be present in all 7K nexus switches to make it work except 7004 as it doesn’t support fabric card. Fabric cards are hot swappable, it means we can remove it from the chassis and…