Latest posts

  • (No Title)

    Does Cisco Nexus Line Card F1 Supports OTV ?

    Read more

  • OSPF configuration example on Nexus switches

    OSPF configuration example on Nexus switches

    Below is the OSPF configuration example on Nexus switches. Here OSPF is enable on the directly connected interface between 7K switches. N7K-1:- Step 1:- Enable OSPF feature N7K-1(config)# feature ospf Step 2:- Enable OSPF Process N7K-1(config)# router ospf 10  –<<<< OSPF process ID N7K-1(config-router)# router-id 10.1.1.1 Step 3:- Enable ospf on particular interface N7K-12-1(config-router)# int…

    Read more

  • EIGRP configuration example on Nexus 7K switches

    EIGRP configuration example on  Nexus 7K switches

    Below is the EIGRP configuration example on Nexus switches. Here EIGRP is enable on the directly connected interface between 7K switches. N7K-1:- Step1 :- Enable EIGRP feature N7K-1(config)# feature eigrp Step2:- Enable EIGRP Process N7K-1(config)# router eigrp 100 N7K-1(config-router)# router-id 10.1.1.1 Step3:- Enable eigrp on particular interface N7K-12-1(config-router)# int Eth1/1 N7K-2(config-if)#ip address 10.1.1.1 255.255.255.252 N7K-12-1(config-if)#…

    Read more

  • Nexus – HSRP Configuration example

    Nexus – HSRP Configuration example

    Below is the HSRP configuration example. Below is the HSRP configuration example. N7K-1:- feature hsrp feature interface-vlan vlan 100 int eth1/1 switchport mode trunk  no shut int vlan 100 ip address 100.1.1.2/24 hsrp 100 ip 100.1.1.1 preempt priority 105  no shut N7K-2:- feature hsrp feature interface-vlan vlan 100 int eth1/1 switchport mode trunk  no shut…

    Read more

  • VPC+ configuration example

    VPC+ configuration example

    Below is the VPC+ configuration example. VPC+ is configured between N5k-1 and N5k-2 where fabric path is configured on the VPC peer-link. We assume that Teaming is properly configured on the server end and hence only switch side configuration is demonstrated here. N7K-1:- Install feature-set fabricpath  //–<<<< It must be executed in Default or Admin…

    Read more

  • Single sided VPC configuration Example

    Single sided VPC configuration Example

    Below is the single side VPC configuration example. In the below example 7Ks are configured in VPC so that downstream switch i.e 5K will believe that it is connected to only one upstream switch. Note:- VPC configuration will only be done on the 7Ks not on the 5K as for 5K it is just a…

    Read more

  • VPC – Back-to-Back configuration example

    VPC – Back-to-Back configuration  example

    Below is the VPC Back-to-Back  configuration example. N7K-1:- Step1:- Enable Feature VPC N7K-1(config)# feature vpc Step 2:- Enable Feature LACP N7K-1(config)# feature lacp Step 3:- Create VPC domain. Make sure it is same on the VPC peer otherwise VPC will remain in down state. N7K-1(config-if-range)# vpc domain 100 N7K-1(config-vpc-domain)# peer-keepalive destination 10.1.1.72 –<< Mgmt IP…

    Read more

  • What is Zoning – Storage 12

    Zoning is way to restrict the communication between the initiator and the targets. By using Zoning only assigned target is visible to the initiator.  In Ethernet, host connected to LAN is able to see all the devices connected on the same vlan but in VSAN there is another layer of restriction called zoning to restrict…

    Read more

  • Port Types – Storage 11

    Port Types – Storage 11

    Below are most common port types in storage. 1. N-Port (Node Port):- Port on the end host device like storage (target) or server (initiator). N-port cannot be configured on the switch side. 2. NL-Port (Node Loop port):- Host that are connected in Arbitrated loop has the NL port. 3. F-port (Fabric Port):- Switchport that are connected to N-port…

    Read more

  • Fibre channel Addressing – Storage 10

    Fibre channel Addressing – Storage 10

    1. World Wide Node Name (WWNN):- Sometimes it is also called as NWWN (Node World Wide Name).It is an 8-byte address used to identify device in the fabric.Every device in Fabric has its own WWNN. No device can have two WWNN. Each node or HBA has one WWNN. If a server has two HBA then they…

    Read more