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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...

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amnavada by Cisco Employee
  • 1668 Views
  • 29 replies
  • 1 Helpful votes

Dear all, can someone tell me how many ipv4 and ipv6 routes are supported on the Catalyst 3850 switch. According to the data sheet it is mentioned that the switch supports 24000 ipv4 routes but there is nothing mentioned about IPv6 ? Can someone pl...

by Not applicable
  • 843 Views
  • 3 replies
  • 0 Helpful votes

Hi all,we have recently added another VDSL broadband circuit to our network but am having difficulty integrating it with our existing VDSL one.  We are using a 2851 router with 15.1(4)M12a software.  Both VDSL circuits are FTTC, the existing one is w...

Neil Riach by Community Member
  • 1886 Views
  • 6 replies
  • 0 Helpful votes

dear experts.please help me to choose the right switch for my small network1- 24 ports gigabit  (not more)2- 2 or 4 10Gbs uplink ports with RJ45 CAT6A standard (not optical)3- POE capability is an option4- not expensive modelThanks alot

mrr53 by Community Member
  • 937 Views
  • 1 replies
  • 0 Helpful votes

Hello all. This is a simplified drawing of what management would like to do. I have reservations simply due to the amount of required wiring. I'd like your opinions. Thank you

DamianRC by Level 3
  • 789 Views
  • 2 replies
  • 0 Helpful votes

If I have a Nexus 31108 and I add 4 QSFP modules QSFP-100G-CWDM4-S, Can I to set up an etherchannel to form a protchannel 400Gbps?Thanks in advanced!

wromero19 by Frequent Visitor
  • 929 Views
  • 2 replies
  • 0 Helpful votes

Hi There, I am using Boson Netsim to create this simulated environment.My configuration is below. I have also included an image for a visual. I am unable to copy and paste for some reason, so I apologize for the lack of information.  My issue is I a...

bstevenson11 by Community Member
  • 1187 Views
  • 5 replies
  • 0 Helpful votes

Hi, I have two L3 3850 switches connected to each other between a L2 trunk link. Switch 1 has a connection to the ISP router and has the default gateway for all the vlans and also the routing + PBR routing. Now we have on switch 2 also a connection ...

StijnSchol by Community Member
  • 1102 Views
  • 6 replies
  • 0 Helpful votes

Hello Can anybody tell me why the following config does not work in trunk mode? interface GigabitEthernet1/0/1 switchport access vlan 30 switchport trunk native vlan 30 switchport trunk allowed vlan 10,20,30,40 switchport mode trunk If this config i...

db by Visitor
  • 2874 Views
  • 13 replies
  • 0 Helpful votes

Hi, is there an OID which I can use to check the state of the router? For example recently I found that some fans in fan module stopped. The status LED on the module turned into red and the Crit and MAJ LEDs on chassis turned to RED too. I can probab...

Dear sir, In our compass we using Cisco switch 3560 X 48 port switch. now we facing problem like. Automatically some switch port not working. After switch restart or port restart (hard or soft reboot), port will be work for some days again same prob...