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
Resolved! VLAN to WAN problem SG300
Hello there. I am attempting to setup multiple VLAN's at my church using two SG300-10-10PP managed switches. However, after several attempts and searching the web for examples and instructions, only the default VLAN can access the Internet. The oth...
Is it possible to configure a group on ports in an untagged VLAN to pass 802.1x authentication between themselves? For example, a device in VLAN 99 on port 10 perform 802.1x authentication with a device in VLAN 99 in port 11?
Hi Team, What are the limitations of RSTP ? Is there vlan limitations for RSTP ? Does this support more than 200 STP instances ?
Hello,I am in the process of putting together a small branch office network and I am in need of some design advise. The network will support about 10-15 workstations/phones, 3-4 printers, and 4-5 servers. In addition we will eventually have up to 25-...
have 4 switch 3560 POE-8 , 2 of them have been RESET, AND WLC 2100 RESET too, but there are firewall AND ONE switch. Keeps the OLD CONFIG. I try to restore the network to the same old CONFIGURATION Please help .. I am not a specialist in wireless....
Hello all Which option is the minimum frame size for an 802.1Q frame?A. 64 bytesB. 68 bytesC. 1518 bytesD. 1522 bytes Cisco implementation says 68 bytes Frame SizeThe 802.1Q tag is 4 bytes. Therefore, the resulting Ethernet frame can be as large as ...
Hi Team, Is there cisco recommend RSTP to MSTP migration procedure ? I didn't find any cisco related document for this. Currently network consist of Core (6500 Series) Switches, distribution (4500 series) switches and Access (3850, 2960X and C9300 se...
I'm having an issue with a single VLAN. I have a few VLANs on this switch: 1,4,25,26,30,45. The connected ports are configured thusly: int range ge1-10switchport mode trunkswitchport trunk allowed vlan all My uplink port is ge10My testing port is ge1...
Hello Friends, I was studying QOS and came across concept of dscp mutation map. I have serached my topics and still not cleat what is a dscp mutation map and how to be read its matrix . It would be great if someone could explain it Thank you!
Resolved! Ping fails across VLANs
Hi, Please forgive any ignorance here as I am somewhat new to this. I'm trying to build a network using collapsed-core architecture for a college project. I've connected two 3650 switches as core devices with two access switches. Then I configured c...
Hi All, I am wondering how can I view the used/free/total space of the NVRAM on this Nexus Platformcisco Nexus9000 C93120TX ChassisNXOS: version 7.0(3)I4(5) On some other cisco devices there is the command: dir nvram:/Using dir on the device only sho...
Resolved! Help with VLAN on packet tracer
Guys I have an assignment in one of my routing/switching classes and I just cant' figure it out. I've literally redone this 4 times and I can't figure it out. I'm following all the instructions I can find to a T. What am I doing wrong ? I can pin...
Welcome to this Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about quality of service (QoS) on Cisco IOS routers with Cisco subject matter expert Akash Agrawal.A communications network forms t...
Resolved! VLAN HWIC issues 2901 router
Hello Everyone, I am trying to figure out why vlan5 cannot access the internet. I get an ip from .2 dhcp pool and am able to ping default gateway 192.168.1.1 and 192.168.2.1 Any help is greatly appreciated! Thanks,Ryan Router>enRouter#show runBu...
Hi all, We have a Cisco 6506 chassis with single supervisor. We have purchased a new supervisor so that we have dual SUP modules at the end of the day. I have looked up online and cannot find the right document for inserting the additional module and...
