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 weird issue that I hope to explain clearly.Toplogy:Access----- Dist.---------- Core3750X ------- 4500X ------- 65093750X - 3 switches in stack w/ redundant power supply and ring stack-power configured4500X - 2 switches in VSS configuration37...
HI,I have router 800 series it has 4 ehternet ports but i when input a command (sh ip interface brief) its shows me only one ehternet port.Other portsa are faulty?? Can you help me why it shows me only one ehternet port.Router#sh ip interface briefIn...
Hi all:I am preparing training document for Cisco 6500 series switch.1. For trouble-shooting command for VSS, so far I have gathered below commands : show switch virtual show switch virtual dual-active summary show switch virt...
Hi Experts,I have some queries regarding DHCP snooping and Dyanmic ARP inspection.As I have read to enable DIA , there should already be DHCP snooping enabled.If DIA is enabled , any packet coming on any untrusted port, It checks DHCP snooping databa...
Dear allI have a big problem , i have a router which used as IP telephony server and this router is connected to layer 2 switch and the layer 2 switch is connected to core switch , Core switch used as a DHCP server for end users. My IP phones can n...
Hi All,I checked one design and did not able to find the root bridge for the vlanDesign is:Sw1----Sw2 (Po1- Gi1/41(P) & Gi1/42(P) connected back to back to these switches) i did not notice any output which says, This bridge is the roothere is the l...
If a new juniper switch was connected to 3750 switch and I do CLEAR ARP on 3750 switch, do the new MAC-address of juniper will be learned by other switches and firewalls connected to 3750 switch automatically? or do i need to clear arp all devices so...
I got a few esxi server that are plugged into 2, nexus 5548 ports in a port channel configuration.The port channel for the management interface nics is configure on vlan 51. I have a pxe/dhcp server on vlan 51 but pxe booting the server does not get ...
Can anybody give logical explanation to this Quetion related to ospf - Why Network LSA is nedded ? when router lsa is already there , I know that router LSA are sent by every ospf capable router and network lsa are sent by DR on beha...
Hi, Env: Configured Cat3560's L3 port and vlan port, enable OSPF routing, SNMP server, etc. The routing info can be shown by CLI show ip route. But, using SNMP MIB broswer to read IpRouteTable(OID.1.3.6.1.2.1.4.21.1, MIB-II, RFC1213), nothing returne...
What is the most stable of the more current codes that don't have too many known problems for a 3750G-12S? Right now it is ipservices 12.2.25SEE1. I know some of the newer ones have some issues so I'm looking for stability.
I am reasonably certain that in a redundant Catalyst 4510R-E with dual Sup V, all 4 GBIC ports are active and available. Correct?
Hi allI'm facing a strange issue on my LAN to a remote site over a layer 2 Ethernet link.I have a server which shares files, the server runs LinuxIf I download a file from the server from the local LAN it's fine.However if I go to my remote site and ...
Hi allI have noticed an issue on a site and was wondering if this could be a potential issueOne switch has the port set to mtu9000 and the other side is normal 1500Would this cause any issues ?
Hey guys.I have an ASA connected directly into a 6509the asa has the inside interface of 192.168.0.193/26 and a dmz interface of 172.16.20.1/24I've brought a eigrp relationship between the two and the ASA can now see all the routes coming from the 65...
