Need advice on few below data Center related design questions. Use cases of BPDU Filtering - Can we enable on trunk ports connected to VM host, Server, Firewall and etc.Where do we have to use Bridge assurance.Data Center Point to Point Internet usin...
Forum Posts
I have a problem with a switch I accidentally deleted the IOS know sometimes someone solve a
HiUsing Catalyst Blade Switch 3000 Series with Cisco IOS Software, CBS31X0 Software (CBS31X0-UNIVERSALK9-M), Version 15.0(2)SE5, RELEASE SOFTWARE (fc1) i noticed a very high use of I/O Memory Head Total(b) Used(b) ...
Greetings, Can someone please share their knowledge regarding below query. Is there Cisco Industrial redundancy equivalent or better way than Moxa switches turbo chain?
Got a problem with integration between Ruckus and Cisco 9300 but after investigating the problem seems general and more related with the basic of STP behavior that I can't understand.First here the schematic of the simplified network in cause:Everyth...
Hello People, Just looking for a bit of help. Migrating a site form a 1921 to a C1111 as they needed a new router. Config is applied, had to amend because of port names etc, all LAN and VLAN works and is seen however we are not getting any WAN acces...
Resolved! Vlans
Hey guys I am doing my first project so my question might seem a bit odd.We have 2 C-9300 switch as core and 2 C-9200 Switch on aggregation and around 10 2960 switch at access layer.Now our client has told us to make vlans on core switch, at first I...
hello, what configuration is used to block the ARP. the switch used is IE 2000.
Resolved! Stacking 4500x(VSS) 16 & 32 port
A customer is wanting to VSS their 16 port 4500x with a new 32 port. They also want to add an 8 gig module to the 16, making it a 24 port with a 32 port. Is this possible? I was under the impression that the 4500's must be the exact same port model t...
Can somebody help me find out why I lost the telnet access to this switch? I can only access it through console port. This is what I've got by enabling debug telnet:Jan 14 18:11:49.937 UTC: Telnet1: 1 1 251 1Jan 14 18:11:49.937 UTC: TCP1: Telnet sen...
Hi all, I want to ask community for a suggestion regarding a potential problem noted on a stack of 2960x withCisco IP Phones and PCs connected behind phones Some customers informed us that, sporadically , the PC behind phone is not able to authentica...
Resolved! CISCO DHCP LEASE HISTORY
Dear Support community,I have configured the Cisco DHCP server on catalyst switch model WS-C3560G-48PS-S which is working fine so far.My problem is I need to know the list of IP addresses leased for the past 30 days. Please let me know the command I ...
I am trying to configure a 4331 with Call Manager Express and Cisco Unity Connection. We have an e series 140S balde server installed in the router. Initial config needs:- ◦ enable◦ configure terminal◦ interface ucse slot/port◦ imc ip address cimc-ip...
Hi,I have a 2960 Switch which has 2 ports dual T/SFP module. I want to use these two duals uplink ports for a category 6 coper cable.My problem is that on cisco, I have the GLC-T SFP module for that port to support cabling connection but it says only...
Hi All,I have problem to one of our device(IP Phone) connected to my switch(POE). Cable length is 150 meters and no option for fiber.Initially it was working fine for few days then the IP phone was off, on the switch interface there is err-disable. S...
