Activity in Technology and Support
Best Practices for Troubleshooting STP Flapping on Access Switches
Hi Cisco Community,I wanted to ask about your approaches to troubleshoot Spanning Tree Protocol (STP) flapping in enterprise networks.In some cases, I’ve seen ports constantly changing between blocking and forwarding, which causes disruptions to user...
Opinions about Segment Routing and SD-Wan.
Hello,I have in my enterprise many dynamic routing protocols, within VRF and without VRF, like , EIGRP, OSPF, eBGP, ISIS and static routing.Im good with those and dont need to do any kind of upgrade.I have MPLS L2 VPN/MPLS L3 VPN , MPLS TE and IP Rou...
ISE HA-Mode (Control Webgui)
Dear professionals,We have two Cisco ISE (Primary-Secondary)We have concern about Device Admin Services. What is it purpose? We have research about it, seem likes relate to Tacas service. In webgui ise-primary we can control all function like Livelog...
MPLS and Backup VPN Connection - Asymetric routing issues
Hello, A customer have some asymetric routing issues after a power outage on their local site. They are using MPLS as primary connection to their DC and a static L2L VPN connection as backup. There is a /18 network beeing anounced over MPLS from the ...
Can not apply a Deny ACL on PBR on Nexus 9K
Hi I am currently using my SG350XG but am going to move over to my Nexus 9K C93120TX. On my SG, I have these settings for ACL/PBR/vlan8 which works; ip access-list extended SL deny ip 192.168.0.0 0.0.255.255 192.168.0.0 0.0.255.255 permit ip 192.168....
9800 WLC 40- 80-L series
Hi Team, We are trying to upgrade the 9800_L series WLC to 17.12.05. Is there any issue? What is the fix iOS image for all 9800 WLC? Please suggest to us.
Alternate way to log into switch on network
Hi, I would appreciate if someone could help me with a network issue. I have a remote location with a switch I can not log into. I can remote into PC -> CBS250. However, I have a CBS350 that is connected to the CBS250 that I can not log into. ...
Enforce Ipsec over UDP500 only while still having nat server
Hi There,We have a setup where we have Ipsec established as given belowCisco Router << -- >> NAT instance (ec2 aws hosted) <<-->> ASAv. Now since we are having nat instance and doing translation between hence Ipsec tunnel established using UDP500 an...
CBW 150 AX keeps blinking green even after factory reset
I cannot seem to reset my CBW 150AXHave tried factory reset 2 times.Keeps blinking green.The other APs on my network are ok
Resolved! Cisco Packet tracer
Hello Guys, when I run Cisco Packet tracer I get following login screen:When I click login, following appears, but nothing happens at all, no error, nothing!I dig on forums / youtube etc, and everyone tells to login with "Skills for all", but I have ...
ASA to Palo Alto Site to site VPN with all traffic through he tunnel
Hi.We have remote location with ASA and in datacenter we have Palo Alto with internet break out.I might be dumb but, how do I configure the ASA to have whole traffic being sent through the tunnel?How should the routing be configured on ASA? ... and c...
10G SFP no link on Catalyst 1200
Hi everyone, I have two Catalyst C1200-48T-4X with SFP-10G-LR each.Transceivers are recognized as they should but we get no link. We have checked the connection, administrative state is up, each switch/SFP is transmitting light and transceivers are r...
Protocol compatibility
The goal is to introduce two Extreme switches into the Fabric core to connect with two Cisco switches.The two Extreme 7520 switches will function both as the Fabric Core and as the interconnection point between the Extreme Fabric and the Cisco Fabric...
Cisco SAFE Architecture boilerplate for draw.io
Hi all,I want to customize a enterprise campus network on app.diagrams.net (draw.io) using the SAFE architecture but I'm struggling to find any boilerplate online that will allow me to add/remove icons starting from the recommended Cisco SAFE for cam...
registration to smart software licensing
i'm trying to insert a new token on my new call manager bit it's causing a timeout and the http and https streams are open to the satellite so i don't know where is the problem
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