Hi team, i'm a newbie in this area. please go easy on me :) . i have some question on how can i achieve my goal to block all connection to specific ip and at the same time allow from specific ip. The scenario that i have is, i'm having a switch confi...
Forum Posts
Hi, I am having a problem with some new vlans I created.We are getting ready to implement a new phone system and I was working on setting up new vlans that will be used for voice. My network is hub and spoke (P2P). All switches layer 3 - 2960x I hav...
Hi, Someone might ask the same question before but I can't find it.I just want to clear/remove the VTP domain from my switches(2900/3550/4948), but can't succeed. Can anyone advise what the command to acheive it? TIA!
Resolved! MI FPGA and IO FPGA
Hi, I'm looking into what "MI FPGA" and "IO FPGA" are as it pertains to the Cisco Nexus 93180-YC switch architecture. I know that the MI FPGA is between the front panel ports and the Platform Controller Hub. From my research, I understand that the FP...
Hi,I'm finding what looks like Cisco blanket disabling the TDR (cable test) feature on switchports on the 2960-X if the downstream device is negotiated to anything other than 1000Mbps. Is this done intentionally, or am I hitting some kind of bug? Wh...
Hi folks. I am new to Cisco products and there are a few things I amtrying ot configure. I am running a 2821 Router with IOS v 12.4(10a).I am trying to configure the URL filtering portion of the firewall ACL. I have configured to deny one site, the...
Resolved! Catalyst 3850 Radius Configuration issue
Hello, I am having an issue with setting up my Windows server Radius with CISCO 3850, I am using NAS prompt with one AD group to authenticate admins into the network and this is my configuration, when I am trying to log in the switch is not authenti...
Resolved! HSRP or VRRP on cisco catalyst 3650
hi everyone, i have cisco catalyst 3650-24ts-s switch i wanted to create a redundancy using HSRP or VRRP.but i am confuse which protocol to use ? are this two protocol supported in this switch ?
I am using one Cisco SG300. I am trying to simulate two unmanaged switches in the cisco managed switch using VLANs.Port 3 - VLAN 2 - AccessPort 4 - VLAN 2 - AccessPort 5 - VLAN 3 - AccessGlobal STP - DisabledI am trying to test STP of another device....
Resolved! NO BPDU sent
Hi guys,I was facing today a strange behavior on a 3560 running 12.2(35)SE5, basically it doesn't send BPDU out of the interface.Here is the detailed output of spanning-tree and interface configuration.show spanning-tree interface fa0/1 det Port 3 (F...
Interface VLAN got UP when its vlan was assigned to a physical port, but then I removed that VLAN from that physical port and the interface VLAN was still UP, is this right? I ask this because I'm testing on Packet Tracer and I would like to know if ...
I have a student who have done something to 2 of our 3650 switches.The ios was gone and we did a sw reinstallation from TFTP.That failed with this message: "Emergency Install failed - unable to set BOOT varRestarting system."Tried USB to flash instal...
Hello, Can anyone shed some light in the difference of show output command? My client thinks it is a Cisco bug. But I told him it is a default configuration when you create a L3 interface. He stated like this as below:switch shows strange behavior on...
Hello all, I am writing to you because I'm considering the switch model IE-4000-8T4G-E and I have a doubt. By looking at the attached table in the datasheet, I can tell this switch has 4 GE combo uplink ports. Do these ports behave the same way as th...
Resolved! Multiple vlans with single HSRP instance
HI all, Can anyone please explain what will be effect configuration of multiple vlans with a single HSRP instance ??will it be better than separate HSRP instance for separate vlans ? In terms of CPU usage which method is better ??thanks ,Selva
