Switching

Hi all,I have question need to confirmation.We will do migration for vCenter from different to another vlan ie VLAN 130 to VLAN 1020.I advised my team we need a L3 switch or L3 interface to perform this migration which is we already have Nexus switch...

I want to set up a VLAN 20 (172.16.20.0 /24) to have internet (which it does) but not be able to reach any of the other VLANs on the switch. However, I want the other VLANs on the switch to be able to reach it (say VLAN 26 at 10.1.26.0 /24 and VLAN 2...

Hi, So "l2protocol tunnel" change the destination MAC for the L2CP to 01-00-0c-cd-cd-d0, is it possible to change this address?Would like to tunnel it using another MAC address as we have some "conflicts".I have an ASR920, looks like in the manuals t...

Hello Team, Please I need your help I have a Cisco WS-C3850-24XS-S switch with very low speed data rate this is between 2 hosts in the same VLAN or Layer 2 DomainPlease assist  

  IP-PBX --- L3 SW----(Metro-ethernet/1Gbps)----L3 SW---L2 SW --- IP-Phone   - L3 SW and L2 SW, IP-phone is CISCO Products.- L2 SW is VoIP QoS enabled. [Question]Does L3 SW require Voice QoS settings?

Hello, is it possible to make NAT between two VLAN, and tranlate address from one side to the other and opposite. For example 10.10.10.1 witch comes from vlan 1 transle it to 10.10.20.1. And from the VLAN 2 address 10.10.20.1 translate to 10.10.10.1....

Hello, is it possible to build jinja variable in DNA-C for erspan monitoring configuraiton? name internal_erspanmonitor session 12 type erspan-sourcesource interface Gi1/0/6 - 7 , Gi1/0/13 , Gi1/0/20 , Gi1/0/27 , Gi1/0/29 , Gi1/0/31 , Gi1/0/34 , Gi1/...

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...