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...
Hi!!!I´m Juan. I can understand well, i know how and where I configure Loopguard. I have the concept clear.But, for what does type of topology this feature is useful?I think, that this feature works fine to solve unidirectional links, but reduce the ...
So I just picked up an ASA and have been exercising my google-foo and reading cisco whitepapers to get it going. I'm a systems admin and have plenty of Windows networking experience so I'm not at a total loss but am getting stuck on the nat command. ...
Cisco newb here...I've got my ASA up and running with internet access for internal users but I'm having issues with port forwarding - none of them are working. Below is my current config. Any help would be greatly appreciated.object network inside-ou...
Hi Everyone,Need to confirm behaviour of Dynamic Arp Inspection below.A and B are layer 3 switches running HSRP.Switch A Vlan 10 IP ----------------------- ------------------192.168.10.1Switch B Vlan 10 IP ------------------------------------------...
Hello Guys!I hope you can help me here.I`ve got two routers in my network.Cable Modem connected to WAN port of the first router (E4200V2), LAN cable from E4200 LAN port connected to WAN port of the 2nd router WRT54GV3 ddwrt firmware (vpn).1st subnet...
Can anyone simple axplain for me what will hapend if i use this command on 3560x?conf terip arp gratuitous none ???We he one of these switch as an aggregate switch for usersh in one hotel and when i enabled debug apr every second message was:ignored ...
Hii am stuck in the configuration in the MPLS router for the newly connecting remote offices over MPLS2.we are already running MPLS1 to our branches with one SP using BGP and for internal network eigrp.and now we are going for another SP to connect ...
Hello,I have got a Cisco router connected to by broadband line and I receive a public IP address fine on 0/0 and I can ping external addresses as well. But for some reason internal clients cannot access the internet. I think I have set the NAT up cor...
AllJust a quick question re the new 2960s with flexstack. Anyone have experience of these switches and the flexstack feature? Good or bad?RegardsStephen==========================http://www.rConfig.comA free, open source network device configuration m...
Hi guys,I'm beginner on network, and today i would to know, why my packet tracer don't work.I've one router, r_core, the encapsulation are configuredMy sw_core is my bridge root (stp)Linked to this sw_core i've two sw_distrib, all of port are trunk, ...
I have 14 switches and 4 routers on a large WAN\LAN I have backed up all the startup configs to my TFTP server without any problems. Now I want to backup the IOS of each router and switch. It has been over ten years since I was responsible for this m...
hello,i have a router 2921 with the aproprieted voice card for E1 and licenses. I would like to know how to configure it for incoming and outcoming calls. I already configured the ephone and SIP phones for internal calls. now i just need to configur...
Hi all!What is the difference between the Diameter and the Max Hops Remaining in RSTP/MSTP?Like Cisco, the maximun value for diameter is 7, but, can i have a ring topology with 10 switches in the Network?Thanks!!!Juan!!!
Most of our LANs in Europe are using for spanning-tree today the PVST. One LAN with about 2000 used switch-ports is using Rapid PVST (and we have no problems there); one other site with about 2000 used ports is using MST (MST with using only one inst...
Im not sure whats going on here ... checked the obvious. Shut, ip space, duplex/speed matc, ip routing isnt on Reviewing the Config guide for the switch ... Im stumped .... 3550_1#show ip int brInterface IP-Address OK? Method S...
