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
How can I Put All VLANs in one VLAN?
I'm currently testing with a few 93360YC-FX2 switches running NXOS version 9.3(8) and trying to get Q-in-VNI running. In terms of connectivity, this is working as expected and I'm able to trunk VLANs from "customer" devices across the N9Ks, but when ...
Hello Everyone,We were introducing a new pair of switches into the network. MSTP was configured on both switches and all around the network.There was a loop between those 2 switches when we were configuring Etherchannel and some of the ports around t...
Hello,I have purchased Catalyst C9500 switch (C9500-16X-A) with Network Stack, Advantage license for 3 nos. I would like to configure SVL for 3 nos.So the question is.1. How can we configure SVL for 3 nos. ( I see that most are configured 2 nos in SV...
Resolved! Cisco Switch Stack
Hi,We have an issue where we have two fpr2100's in HA mode connected to a stack of switches which are then on a fibre ring.Currently the HA cables are connected to the primary switch in each of the stacks, which work until one of the primary switches...
I have created a post a over a week ago having issues seeing access points from the main switches on a traffic network ring. That issue has been fixed, seeing that it was a a routing issue, but now, a spanning-tree issue has cropped up instead. Curre...
Hi,I have created Vlans and in the Multilayer switch when I tried giving "switchport trunk encapsulation dot1q" it's not accepting.can someone help me please.
Hi Cisco Community, I am setting up a network in Packet Tracer and am having issues with my pc's, which are all on different VLANs, from pinging the router. Below is a screenshot of my current config. My goal is to route between the different VLANs u...
Resolved! Layer 2 problem if is disabled CDP
Hello,I have strange issue. I have core topology see attachment. You can see HP IRF stack where are connected servers etc.And you can see two Cisco SG550X stacks, one stack in one locality and second stack in second locality.If I disable cdp on Cisco...
Resolved! MSTP Root Bridge Selection
Hello Everyone,We have an mstp configured across our switches for a really long time. All works as expected, however, I can not understand, why the below command is used on some switches, including our Rootspanning-tree vlan 1-1000 priority 20480As f...
hello techs, i am curious...is it safe to plug an internet connection in to a core router within a none-routable vlan? is there are security risk where this vlan isn't advertised to no internal network- but with just the devices within? i have a vla...
Currently, we have one physical connection to our carrier. Instead of adding a new physical connection to our CUBE, they would like to use the same physical link and I configure either sub-interfaces or a secondary IP address.I'm leaning towards a se...
FastEthernet0/13 is up, line protocol is up Hardware is Fast Ethernet, address is 0004.4d27.66cd (bia 0004.4d27.66cd) Description: EDL-P-Box-NO-4 MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, reliability 250/255, txload 1/255, rxload 1/255 En...
Hello all,I have recently been learning to use the cisco IoS on routers and have ran into a problem while trying to configure DHCP via IoS.The problem is this:I am trying to create two DHCP-pools, the first one works just fine, but the second one can...
WS-C2960X-48LPS-L updating from c2960x-universalk9-mz.152-2.E7.bin to c2960x-universalk9-mz.152-7.E6.bin (same for 152.7.E5)Update stuck at:FIPS: Flash Key Check : BeginFIPS: Flash Key Check : End, Not Found, FIPS Mode Not EnabledTried:Booting old ve...
