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...
I have a question regarding best practice when it comes to using BGP and EIGRP for dynamic routing. We are building a new infrastructure. We have a Home office and branches that connect back to the home office via AVPN. I am currently building the...
Good afternoon, im trying to get an regex pattern to show counters that are set to 0 on some catalyst switches. so far ive tried #sh interfaces counters | i _0^ #sh interfaces counters | i .0^ #sh interfaces counters | i $0^ but they all return...
Hi, I'm trying to decide whether to replace 1941/K9 router with Layer 3 3850 switch. I am very familiar with 3850 but do not know much about 1941/K9. Currently some sites of mine are running 1941/K9 routers. I was thinking of replacing 1941/K9 r...
Hello community, When I connect an SG220-26P switch to another SG220-26P, it freezes the network ; I mean all the devices connected to both switches. All other devices connected to other switches are working well. When I connect the same SG220-26...
ciao guys i have Cisco switch 2960-x series and i reset it to factory default using those commandflash_init , del flash:config.text ,del flash:vlan.dat ,bootand i want to install the ios image that i have again but unfortunately my switch still reboo...
Hello, We have a Cisco 3750 and 2 trunks to 2 more switches. I can get on the 3750 fine but can't ping the 2 switches. The trunks are up and they show up in "Show CDP nei" but with no IP info. The native vlan looks ok too and we can connect to ...
We have a Cisco 3650-24PS-S switch and the switch is functioning fine. However when I run a show environment all command on the Switch I see the following error. However the FAN PS-1 is OK. Switch 1 FAN 1 is NOT PRESENT or FAULTY Switch 1 FAN 2 is NO...
Dear all, i am going through mac access-list, while PERMIT the mac-adress of source host it is asking me 48-bit SOURCE MAC ADDRESS MASK. 1-what is concept of source mac-address mask? 2-we have difference host from different vendors like ci...
I have OTV running and have implemented EEM largely as per the Cisco design guide: event manager applet WatchBFDdown description "Monitors BFD status, if it goes down, bring OVERLAY int down" event syslog pattern "BFDFSM-6-BFD_SESS_DOWN" period 1 a...
Hello, I want to connect two VSS pairs through a 4*10GB L3 Etherchannel. When I put IP Address directly on the port, through one link, it works. But when I do config on the Po, and I put the port into the Po it doesn't work (I cannot ping dest Po vi...
Hello. THANK YOU in advance for helping me. -J Background: My config until yesterday: Old ISP: Traditionally routed /28 to WAN interface, with VLANS on a 1924 attached to my 2621. One VLAN was NAT using one of the /28 IPs as overload, and the other...
Hello I'm working on a ASA to FTD migration. The current ASA is running an 8.2 version and uses anyconnect 3.x. We tried to cutover one night and we had to rollback. What happened was that once users connected to the new VPN it upgraded their client....
My ISP set up an EPL between my two DCs.... We finally got it up after working with them (they had to swap out equipment) but I have a question about STP.... Should I see STP and CDP between my two switches because I'm not. Each side of the link sh...
I've got 3 x WS-C2960CX-8PC-L units and for some reason I can not get accounting interim updates to work. Normal start-stop accounting is working fine. If I compare the output of show authentication sessions int <intname> details command, on the 2960...
Hello, We are moving data centers. We have metro ether circuit between two data center and we are using ASR routers (CE) at both locations. The ports on the ASRs connected to metro ethernet are layer 3 using 172.16.1.0/24 address range to connect t...
