Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, February 2, 2026, through Friday, February 20, 2026. Our colleagues Amruta Navadagi, Anaya Kalawat, and Mohammad Mehtabuddin will be waiting to assist you...
We have an odd problem and I am looking to see if anyone else has seen this.We have two 3560G-48PS switches running 12.2(35)SE, each has 12 or so 1142 APs connected. These are connected to a 1500kVa UPS which is in turn connected to emergency power t...
Hello,I have 4 x 3750 switches that are trunk together, ther are a few VLAN's and on VLAN 10 I have a DHCP server that issues out IP's to VLAN 10, but I now need to use this server to issue IP's to PC that are on VLAN 20 and 30, how can I do this?I a...
I am mass deploying Cisco 1811 routers with integrated V92 ports for a customer. I am trying to use modemUI to validate the connectivity to a local ISP provider POP number.I cannot get the ATDT command to work for me at all. It keeps coming back with...
Hi All , I have got 2 UD switch block ( Multilayer switch 0 , Multilayer switch 1 ) , Access layer switch 2950 24 port switch which is operated for 2 different floor ( Access layer 2950 sw1 at Frist floor & Access layer 2950 Sw2 at 2nd...
Hi allCan anyone confirm if that if I plug a trunk port from one switch into an access port on another switch, will this form a trunk automatically? where should I issue the command, on trhe trunk port to stop it sending DTP frames ?cheersCarl
Hello,We have a lease line for our internet using a Cisco 2851. We are soon to be getting a 2nd line which we would line to use and load balance the lines, how can we do this? I was thinking of getting a 2nd router and creating a HSRP but wouldn't ...
Hi,I am having Catalyst 2960-SI PoE24 switches with image files c2960-lanlitek9-mz.122-50.SE4.bin & c2960-lanlitek9-mz.122-50.SE3.binI want to configure RSPAN vlan.I am not getting command remote span in vlan mode with any of the image.I am only gett...
Hi,I upgraded my 6513 switch to the latest IOS and when i switchover the supervisor to standby. it gives me following error logs.i have to manually shut /no shut ports for getting connectivity restored.As per cisco documentation, this bug is fixed in...
Hello I really need HELP!I have a Cisco1801 connected to ADSL. All was working fine but one day there was no more ADSL synchronisation !I contact a lot of times my provider: no problemI try with Cisco877, Speedtouch modem and Zyxel 660: ADSL sync...
Complete networking newbie here, so I'm sure I'm asking something stupid, but I promise I've spent a lot of time searching before asking the question.All I want to do is have it so that my router (Cisco SR 520) will resolve a hostname to a local IP. ...
I'm trying to setup an internet vlan that I can give to users so they can put machines directly on the internet. For security, I would like to make sure they send me the mac address first so I can verify that security policies are in place on the ma...
ok i recently got a router with 2 fast Eth ports, and im going to hook the router up into my cable modem, but i do not know if i should use the IP assigned from the cable modem (192.168.10.101) or if i should use my external IP address 172....I also ...
Dear All,I have a 2921 ISR-G2 router in working condition. I configured the router first time and log out without changing the password and in ISR-G2 it is must to change the password before logging out.now it is not allowing me to login again.plaese...
I've been handed a switch that only boots to rommon. When I run the dir bootflash: command I see that the IOS has been deleted. No worries this switch is not supporting anything yet. Can you point me to a link that will help me load an IOS back on...
Hello, a little confused. In STP, can a port in the Blocking state SEND and Receive BPDUs or it can only receive BPDUs? My understanding is that it should also send BPDUs, because if sudenly there is a change in topology that causes that specific por...
