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
good afternoon I need a manual or the steps to add switches in zabbix monitoring
Hello,Topology:"CISCO-3750-.253"Already set to vlan3 Root.Then why vlan3 root is"CISCO-3750G"?What is the answer to the situation if the topology is unchanged? "CISCO-3750G" show spanning(vlan 3 mac address identical but priority different ) PS.I hav...
Hi all, Need help to our N9K (N9K-C9508),We are getting the following message come up after we can't add/remove new line on a ACL where is implement on Three Interface VLAN,Message is : Sufficient free entries are not available in TCAM bankLog messa...
Hi Team, i have some question about the issue. H/W: 4510 S/W: cat4500e-universalk9.SPA.03.03.00.SG.151-1.SG.bin BB2 was hit the Memory Leak bug and there was log about the SPT resource "Pool: I/O Free: 3584 Cause: Memory fragmentationAlternate Po...
HI everybody, I want to set up Dynamic VLAN assignment in combination with MAB in multi-domain mode along with Microsoft NPS . I read severl online document but those are not organized/sufficient. Can any any provide me a step by step guideline. Equ...
Resolved! 802.1X issues on Cisco switch when connected to VoIP phone passthrough or unmanaged switch
Hi there,i've been dealing with a really weird issue lately.We have a Cisco Catalyst 3850P-S running 03.06.08 and authenticating via dot1x on Aruba Clearpass.Almost all of our workstations are connected through the VoIP phones to reduce the needed sw...
Resolved! Untagged
Dears, i have one question regarding native vlan. i have two switch as below :SW1inter f0/1swicht port mode trunkswitch port trunk allow vlan 5-20switch port trunk native vlan 10 SW2inter f0/1swicht port mode trunkswitch port trunk allow vlan 5-20swi...
Just like to share something I came across for the first time tonight- Simple task – password recovery 2960x -48LPS, (universalk9-mz.150-2.EX5)The situation was this switch was acting as a transit hop for some remote customer, It had a faulty fan so...
We have a 9404 chassis that will not boot every time. We have open a TAC case and they replaced the supervisor, chassis and power supplies but it will not always boot. We have re-seated everything and even removed the line cards and it still will n...
Hello Team, Can someone advise how to setup MACSEC between Nexus 7K & 9K.9K support MKA ( not SAP)7K (6.2(16) support SAP (not MKA). Thanks,Laks
Cisco 2509-RJ freezes during start-up I bought some Cisco 2509-RJ terminal server to work on my labs and was working fine. Today I turned it on and half way through starting up it seems to freeze. I can only find one instance of this happing to someo...
Resolved! Nexus 6001 initial setup
Hello, We recently purchased a Nexus 6001 and as far as the basic configuration goes It is complete, the switch can ping and be pinged within the network, I can ssh into it and i can see it when running ip scanners however, any computer or server I h...
Hi everybody, I am very new in this networking world! hence I need your suggestion on establishing a VLAN network.... I created 5 VLAN(VLAN2-6) in Cisco MX100 and assigned IPs and Set Port3-7 access port. I made port-8 as trunk and allowed all VLANs...
Resolved! spanning-tree root question
Hello all, we have the attached topology (two nexus 5K) on two sites, which are connected via trunk links. On the Nexus we also have connected devices which perform bridging (IPS/Imperva).When running the "show spanning-tree root" command on any of t...
I have internet coming in from my ISP directly into a Mikrotik router.i want Cisco sg350-28 to get internet from any sfp port or Uplink port via Mikrotik (DHCP or Static)and distribute to all Cisco switch all ports and all ports should be assigned D...
