Latest posts
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Cisco 4400 WLC License information
Cisco 4400 series wireless LAN controllers don’t come with software activation option. It means you cannot increase the AP capacity of the controller after the purchase. There are two models of 4400 series controller 1.4402 series controllers:- It has two gig ports and each port can handle up to 25 Aps. So maximum it can have 50 Aps on 4402.…
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VPC FAQs
1. Can VPC port-channel number different on peer switch? Answer: – yes, it can be different 2. Is a single VPC domain between two VDCs on the same physical Cisco Nexus 7000 device supported? Answer: – No, It is not supported. 3. What are the default parameters of VPC? Answer:- Below are paramaters. Parameters Default…
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Why we need VPC?
Initially when I heard of VPC, I neither understand the advantage of it nor its difference with VSS. Below I tried to explain the difference between VPC and VSS and the legacy setup where STP is being used to prevent L2 loops. But STP has many limitations which are discussed below:- 1.Suboptimal Path:- To understand…
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Important port details:- Cisco Wireless
Important port details:- 1. Enable these UDP ports for LWAPP traffic: Data – 12222 Control – 12223 2. Enable these UDP ports for CAPWAP traffic: Data –…
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OTV FAQs
1.Can OTV VDC configured with SVI of the Extended VLAN? Answer:-No, OTV VDC cannot have SVI of the extended Vlans. 2.Is OTV supported on all series of line cards? Answer:- No, OTV is not supported on F1,F2,F2e. It is only supported on M series and F3 line cards. 3.Does OTV advertise the mac-address? Answer: –…
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Fabricpath FAQs
1. What is the unique mac address used in unknown Unicast. Answer:- 01:0F:FF:C1:01:C0 2. What is STP bridge ID used by all Fabricpath edge devices? Answer:- C84C.75FA.6000 3. What is the maximum number of VPC+ port channel support? Answer: – 244 Note: – On F2/F2E line card, we can increase the maximum number of VPC+…
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F1 Vs. F2 Vs. F2E Vs. F3 – Cisco Nexus 7000
There are four types of F line cards available. Below is the difference between F1, F2, F2e and F3. F1 Card:- Only perform Layer-2 task. No interface can be converted to Layer3. M and F1 card can coexist in a chassis F2 line card:- Interface can be used as L2 or L3 M and F2…
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Nexus 7000 License
1. Enterprise Services Package – LAN_ENTERPRISE_SERVICES_PKG – To enable Routing protocols like BGP,OSPF,EIGRP etch. 2. Advanced Services Package:- LAN_ADVANCED_SERVICES_PKG -Without it one only one default VDC can be in use. BY installing Advance service license 4 VDC can be created on SUP1/SUP2 and SUP 2E. In case of SUP-2E we need another VDC Licenses to…
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Ethertype values
Switch identifies the type of frame by looking at the ethertype vlaue. Below are some common values and related technologies:-
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Nexus port-profile
Port-profile is the way to configure the configuration template and to apply configuration on the multiple interfaces at the same time. The entire configuration is done under port-profile and it gets replicated on the interfaces as soon as port-profile is mapped to the interface. All the configuration changes in port-profile will be replicated in the…