Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
Hi, For the last few days I have been getting from the SolarWinds Orion messages from my 9500 switch,SNMP-3-RESPONSE_DELAYED: processing GetNext of entSensorType.1040. Is there a bug in this issue? My version Cisco IOS XE Software, Version 16.09.04 ...
On occasion a Cisco IP phone would disconnect and re-register. It would take anywhere from a minute to a few minutes. Sometimes physical disconnecting or reconnecting is required. Phones: 7841 or 7861CM - 11.5.1Firmware on Phones - sip 12-5-1sr1-4Log...
Background: Inherited poorly configured network that has only one upstream link (Single point of failure).Current Core topology: See attached diagram.Problem: All routing goes to Manchester. What happens if the link to Manchester fails?Resolution Req...
Hi , I just want to know i have one server and 3 client in one l2 switch. Let say server 1 , pc1,pc2,pc3. PC 2,3 and server can reach other and can ping each other. PC1 can ping to PC2,3 and server but server cannot ping to PC1 without static arp. Ho...
Hello, The upgrade of switch 9300 from 16.6.4a to 16.9.4 failed, it's a stack with two switch, and i have this kind of issue : %IOSXE-5-PLATFORM: Switch 1 R0/0: Jan 19 10:31:58 install_engine.sh: %INSTALL-5-INSTALL_START_INFO: Started install one-sho...
Good evening,I'm coming from a Cisco Catalyst 3850 and I am trying to configure some of my interfaces with the configuration of "spanning-tree portfast". When I tried to enter the command it says that the command is incomplete. I saw that "spanning-...
Hi, We have stack switch WS-C3850-48T-S are running version 16.3.7 Switch Ports Model SW Version SW Image Mode ------ ----- ----- ---------- ---------- ---- * 1 56 WS-C3850-48T 16.3.7 CAT3K_CAA-UNIVERSALK9 BUNDLE 2 56 WS-C3850-48T 16.3.7 CAT3K_CAA...
Dear Team,We require Technical Support from CISCO.How to get Technical Support?Ratnakar +91 9819613650
In this network there are 4 laptops (picture 1). Mark's laptop pings to Lisa's laptop , I have one doubt ICMP ping request is a layered packet right ? So if it is packet in osi model should have layer3-1 right? But why in picture 2 there are only lay...
Good evening all,I am trying to do a switch configuration for work purposes. Previously we were using a Cisco Catalyst 3850 switch and the command 'spanning-tree portfast' worked well for interfaces I needed with this configuration. However, recent...
Dear NetPros,Since GRE is a layer3 technology would it be possible to use it to extend a vlan from one location to the other side of the tunnel which is in a separate geo location? I'm not interested in using L2TPv3 because it doesn't support 6500 ...
N7K-A %ARP-4-INVAL_IP: arp [4557] Received packet with invalid destination IP address (10.168.96.0) from 2c53.4a04.2118 on Vlan226 N7K-A %NETSTACK-5-INVALID_NOTIFY: netstack [4585] ip_is_addr_local_active:Failed to get IP API VRF (null)N7K-A %AUTHPRI...
Hi,I am seeing an issue where what appears to be a loop forming over our vPC setup. Hopefully the attached topology makes sense but the issue we are seeing is when Po40 is connected from sw4 to both Nexus switches, I get the below mac flap warnings f...
Hello Team, I have a Cisco ISR4221 router. We have an internet link connected to our cisco router. The IP will be received on the cisco interface from ISP only by configuring dhcp option 60 on my router. It is a customer provided link. Customer provi...
I want to configure vrrp between meraki mx and cisco catalyst. I've seen about warm spare on meraki but not sure it will work with catalyst switches.Enlighten me please. Thank you.
