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 are in the process of installing CUCM and IP Phones but we are seeing a strange problem related to DHCP on Nexus 5596.We are trying to use DHCP relay on the Nexus 5K to a server in a different VLAN. The computers are getting IP addresses from DHCP...
I am setting up Dynamic Source NAT with a few Pools and Access-list to translate according to the Access-list. However when configure some ACL don't work anything. And the ACL don't "match" any. I know that the correct way would be to apply the ACL a...
Hi everyone Does anyone know how many PPPOE users a Cisco ASR1000 with the following modules support:ASR1013 ChassisASR1000-RP2ASR1000-ESP100FLASR-BB-RTUFLASR-BB-64KASR1000-SIP40I know ESP40 maximum PPPOE users is 32000 (please see the below link)htt...
Hello, I have a stack of 4 3850's I cannot ssh or console into the stack. (Someone broke ssh and console log messages are preventing me from using the console)The only thing we can do is reboot the stack manually Is there a right way to do this?Like...
Hi All I have set up one port (packets ingress) at the dot1Q tunnel all the packets are test generated so I know they will all egress via another port set up as the trunk port so what I am seeing is all the packets captured via tcpdump on the ingres...
Hi, We are required to upgrade a 4500-x VSS cluster from IPBASE to ENT SERVICES. Should we buy two licenses packs? Or a single one? Since VSS forms one logical entity. Thank you.
Hi everyone,As part of my CCNA study, I'm trying to build a pet LAN network which consists mainly two subnets: R1, R2 on subnet 192.168.0.0/24 and R4, R5 on subnet 192.168.1.0/24. Layer 3 switch 1 is used for interconnection between the two subnets. ...
Is this version of nexus 1000v compatible with vcenter 5.5? Do I need to upgrade?
Hi Team,Can anyone please give more information about this command? Is this something related to MAC address flapping.Switch#show mac address-table move update Switch-ID : 0011.9297.ef00Dst mac-address : 0180.c200.0010Vlans/Macs supported : 1023/512...
I am running a cisco packet tracer network environment and when I am configuring DHCP Scopes, I don't have all the commands available to me such as: BRANCH-1(dhcp-config)#?DHCP pool configuration commands: accounting Send Accounting Start/...
Hi,Is there an adapter to convert one qsfp port to 4 sfp+ female , the problem is i have a nexus 3064-32T at the core , i would like to connect 3X 2960XR-24TD-I each with double 10G om3 fiber cables but the 3064 only has 4 uplink ports so even if i u...
Hi,We have a Layer3 Switch 3560 and we have configure multiple VLANs along with SVI on it. We have then cascade layer2 Switches (Cisco 2960) with 3560 by Trunk links. Now we are facing problem on one VLAN that users are in specific VLAN sudden get pi...
Hi all,I am getting some odd messages on the switch logs & log server. Pls see below sample. Does anyone know what they mean?.TiIsrSpanCo 1TiIsrPktCon 40TitanIsrMainHandler C38TiIsrMETDec 3TiIsrPktPay 1TiIsrSpanCo 1TiIsrPktCon 40TitanIsrMainHandler C...
I have a Cisco 2811 router functioning as LAN router for an Ethernet handoff from my ISP. The connection is supposed to be 25MB yet all I can get is 8 at best and the speed varies from .18 to 7.9 up and down. Neither interface shows any errors but I ...
Hi all I hope you are fine I have to connect two Switches (cascade), i will explain more data.I have a Internet service that is provide in a ALCATEL switch and the internet service is in the port 1 this port has the next configuration: VLAN 866 port ...
