Switching

Can trunk port be created on interfaces of L2 devices? If so, then we can reach all vlans in our local area network without involvement of L3 device, right? Correct me, if I'm wrong.

I am trying to enable lldp multi-neighbor support on Cisco Nexus 9000 series switch.I am not seeing multi-neighbor option in the lldp command.Why I am not seeinng multi-neighbor option in lldp command ? Does it mean I cannot have multiple neighbors f...

Hi Guys, See if you can help me.I am trying to transfer the firmware from my desktop to my Switch Cisco 2960S. I can reach, I can ping, it starts to transfer but I got that error in the end (see attached)Its been used the TFTPD32, SW CISCO 2960S, bot...

Hello,I have two c3560cx-12TC-s, connecting through the two fiber SFP modules to each other. It is set with trunk and port-channel on these two ports. (i.e. gi0/15 and gi0/16). The ports are almost in full capacity (only 1 port left). So I am thinkin...

Hello,I've got a question about STP/RSTP (it applies to both, but I'll just say STP). If I connect several switches and the STP algorithm eventually creates a loop-free environment, then how can a single new switch cause a loop?Let's look at an examp...

As the title suggests we have a faulty switch(POE issues) which is part of a switch stack.Bad switch is # 2Switch# Role Mac Address Priority Version State------------------------------------------------------------1 Standby 008e.7368.f480 1 V06 Ready...

He everyoneI have two Cisco 2960-l and 2 SFPs GLC-BX-UI inserted SFPs and there switches can see SFP but status is notconnect here is some Information from both switches show interface gigabitEthernet 0/10GigabitEthernet0/10 is down, line protocol is...

Hello,I'm about to acquire a C2960-8TC-L Switch. I need to know some things regarding this switch. First I will get it with IOS 12.2(35)SE (At least that is what is written on it). I need to know:* Does this switch support L3 or L2 only? I need to cr...

I have a software application sending LLDP packets through a physical port. The adapter firmware is also sending LLDP packets through the same physical port. Here is the problem:When I check the LLDP neighbor entries on the Cisco NX 9000 switch, I se...

Hello, I would like to implement VSS between two switches module (WS-C4510R+E). the issue is I cannot find the right command, when I type question mark in enable mode there is no switch word in the list. there are only (send, session, set, show, soft...

Hi everyone,I have a question for vPC of paramater. It is vPC card type. What does this mean? I can configure to change it or it's related with hardware and not change? Thank you for your support.#show vpc consistency-parameters vpc 25vPC card type  ...

I have topology as attached picture, and want to know why R3 cannot detect CDP R4?========================================R3 can detect CDP R1 but not detect CDP R4R2 can detect CDP R1 and also CDP R4========================================

I configured the 9400 switch for Radius access (Telnet) and created a basic policy set via Cisco ISE. I tested succesfully using my AD credentials.This ISE policy set is configured to allow access to the switch when a user Telnets to it using the AD/...