Ask Me Anything Event Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, November 4, 2024 through Friday, November 15, 2024. Our colleagues Rohit Chopra, Vaibhav Aggarwal, Anuraag Majumdar, Saquib Zeya...
Forum Posts
All - Sorry is this is a rather simple question but I’ve never worked with Stack switches before? I have a remote office that has 3 floors. On one floor we have a 2 3750s in a stack. On another we have a single 3560 and I’m going to be installing a n...
I attempted to enable jumbo frames on a Nexus 5010 (NX-OS version 4.2(1)N1(1)). I created the policy map below and lost access to the switch.policy-map type network-qos jumboclass type network-qos class-defaultmtu 9216After recovery I see from the l...
Resolved! IOS 15.0(2)SE5 DHCP Snooping Problem
I have just upgraded a single production switch from IOS 12.2(50)SE1 to 15.0(2)SE5 to test out new ipv6 security features that we will soon require for our deployment. upon booting into the newer IOS the DHCP snooping feature stopped working, this ca...
Resolved! Adding 2960XR 48 port to setup a stack
Hopefully someone has first hand experience with this. I know stack modules are hot swapable so that is great. Goal is to not have any downtime. I got a 2960XR-24 Port that is in production and is the main switch. Planning on adding another 2960XR...
Resolved! Upgrading IOS for 1720 Router
I have a modular 1720 with IOS y-mz-12.1(5)T12 on it. I think is very old IOS, I know that router not support the newer IOS, but I want upgrade it a bit for CCENT. Any recommendations?C 1720 32/8I'm very new on this...Thanks
Hello,I have a Cisco ASA 5510 and we're only using two of the ports on it -- one for LAN and one for WAN. If I assign a third port 192.168.200.1, how to I get computers I plug into that port to communicate with the other LAN port (192.168.100.1)? Jus...
Hello to all,i am building a campus network with Cisco Catalyst 3850 switches in the access and 6800 at the core.i want to design A routed Access - ospf between 3850 and 6800.in some cases, i need to share same subnet between two 3850's - several hos...
Hi, When studying for my CCNP it talks about keeping Vlans local and this is the best design. So for example say my end switches are layer 2 2960's create the vlans here, then these uplink to my distribution switches which are layer 3. Is it saying c...
We have two nexus 7K with F2 modules are used as the core switch N7K have 3 VDC , all the access switches are dual homed to two nexus switch ( VDC). All the SVI for the user access are configured in USER VDC in N7K. We need to make a layer 2 network ...
I have a VSS setup of 6513 chassis. The Access switches are connected to the VSS through MEC. There's a MEC to an External Switch where all my next hops Routers,Firewalls, WAN are conencted. All the SVI's config on VSS. VSS is running safe harbour IO...
Hi,We tried to create 2 x Multilinks between OSR's, but due to some issues only 1 Multilink comes up and the other was failing during negotiatiation. We need to create 2 multilinks between two sites,Need support that why we are unable to create more...
Resolved! udp flow mechanism
Hi Experts,I have a question regarding UDP. I know UDP is a stateless protocol. But what are scenarios where we send data traffic using UDP beacuse using UDP we send keepalives messages/communication protocols use UDP like SNMP/RIP/OSPF but in all ca...
Resolved! BGP , question
Hi everybody This is what I observed at workThis is my understandingLet say R1 is receiving a prefix( via BGP) 1.0.0.0/8 from two ISP, Isp1 and ISP2, both routes will be installed in RIB, R1 finds the the route through ISP1 as the best and installs...
Resolved! Fas0 Port on a switch (where?)
My have a stacked 3750x that has the Fas0 port configured as *.*.1.32. Right now it shows down down when I do a sh int status. I cant ssh to it for the obvious reason?I have not worked with these switches much but where is this physically port locat...
I'm sure this may have been addressed but I'm having trouble finding documentation for this scenario. Let's say you do setup OTV for two data centers with the intention to extend a vlan across both. Let's say we populate this with a /24 subnet s...
