Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
I'm trying to figure out why a particular connection is getting blocked by Firepower. When I look at the ASA logs I see lots of SFR requested to drop packet from the IP. If I look in FMC I can't find any reference to the IP anywhere even though it is...
Hello Experts, What is the use of ip pim-sparse mode inside an interface. What happen if we not use the command? Regards,Sathish
@Jon Marshall Pls, I need your guidance, exceeded 433965808 packets action: drop <<- Please can you tell me how to find out the exact type of Packets dropped, I know the class-map doesn't have any corresponding ACL match statement OR is HSRPv2 ...
I have 2 core switches in stp looped topology where more than 100 access switches connecting to them. I have around 75 svi vlans configured in these core switches with hsrp. I have a requirement to block certain vlans communicating with each other. R...
switchport access vlan 111 switchport trunk native vlan 111 switchport trunk allowed vlan 113 switchport mode accessHi all,what is the effect of the above?- it’s an access port, and can pass untagged packets for vlan 111- it can also trunk vlan 11...
Resolved! VLAN Size and Network Design
Hi,what is the benefit of building a Network just for IP Phones (voice/video) with on big /22 VLAN on one Core (Catalyst 68xx VSS) with 15-20 FEX?(The Network serves only voice traffic)
Hi, we have a Cisco SG250-26P. This vendor, does not support DTP. But when we were doing some configuration and tests, we noticed that sometimes VLAN ports changed it's states from access to trunk. How it can be possible?
Hi Friends, Recently i bought one Cisco Switch and would like to know what are the things i can learn with just one switch . Can anyone guide me . I am new to Networking and would like to practice and enhance my skills . As time goes and after gettin...
Hi,How does a cut-through switch behave when buffering packets? In order to situate my question I have added the following paragraph of wikipedia:There are certain scenarios that force a cut-through Ethernet switch to buffer the entire packet:Speed: ...
Hi, We are terminating the CE connection directly at 5672 over Copper Gig connection. Do you know whether nexus 5672up can support the 1GIG GLC-T? thanks, Ramesh
We have just deployed new 9300 in the network and so far all Wins7 have issues with internet or local traffic. Wins10 user seem fine. If you move the wins7 to wireless the do fine. We have 802.1x deployed, but even when removed off the port. They sti...
Hello, I have two sites are connected together through fiber, OSPF is configured on both core switches, now the problem is; I have VLAN needs to configured on both sitesSite A: VLAN 10, SVI 10.10.10.1Site B: VLAN 10, SVI 10.10.10.2 I can reach only o...
hello, friendsI need a help. For more info open an attached image, please. 1. I installed DHCP Server on Windows server 2012. Created 8 dhcp scopes for 8 subnets.2. I configured DHCP relay on Nexus 6000. (configuration fil...
kindly I need your assistance on this. Having this error for the pass one month on our Distribution switch 6880x( Software (c6880x-ADVENTERPRISEK9-M), Version 15.4(1)SY1). Note, CPU process is good, no stp instances, portchannel is up up. See attachm...
