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, The IEEE recommendation is to consider a maximum diameter of seven bridges for the default STP timers, but does someone knows what is the diameter limit for RSTP ? What should we expect from a RSTP loop with a diameter more than 7 hops ? I am a...
Resolved! Nexus 3k can´t connect by remote access
Hello Folks! I have a nexus 3k as L2 configured just the mgmt0 with an IP 101.1.1.2/20 with default route on the management VRF point to 10.1.1.1.1 that is my firewall.I can´t even ping the core from any device, much less access by remote access.Anyo...
CAN BANDWIDTH BE CAPPED ON 3560 SWITCHES ??? ANY DOCUMENTS OR LINKS REGARDING THIS??THANKS IN ADVANCE.
Three switches are linked together via trunk port. SW1 can ping SW3. But after adding command “ip routing” at SW3, the SW3 lost connection to SW1. Anyone can explain it? Thanks SW3-------SW2-------SW1 SW3Vlan10 10.1.1.3/24Ip default-gateway 10.1.1.1...
We are facing smart licensing registration issue with 9k switches already registered with on-prem satellite server after upgrading the IOS XE to latest IOS version.After IOS upgrade on 9300 / 9200L switch models from IOS XE 16.9/16.12 to latest IOS X...
Resolved! Border Leaf - Anycast gateway ?
Hi All We have VXLAN EVPN network, and is integrating with the old datacenter using OTV. All the leaf switches run anycast gateways, which is fine.. Border leaf connects to the OTV router (N7K VDC), and also has the anycast gateway configured.. T...
A client Unable to reach the particular L3 Vlan Gateway from access switch For eg:-Vlan 10, 12, 16,37 are the different vlan configured on the particular access switch , All clients from that particular switch with access port (Vlans-10,12,37) able...
Resolved! Restrict users to not access other Vlans
Hey, I need help on restricting (wireless users - vlan15) from grabbing IP addresses from our domain server, as well as, they cannot access our servers (vlan20) and other VLANS (20,25,30). Please help me as soon as possible.
Hello, I have a new C9200L-48PXG switch with IOS XE 17.3 (Amsterdam) which I need to downgrade to 16.9 (Fiji) in order for it to join an already existing StackWise cluster which all run 16.9.Based on the 17.3 release notes (https://www.cisco.com/c/en...
Hi All, I need some advice, can we binding 15 mac-address in cisco router (ISR) or every ip bind we must using new ip pool ? i used router ISR for my production and need to bind 15 MAC Thank you for your support BR
ello, c4507R+E chassis had two Sup-7L-E as active and standby units. The standby SUP failed and was replaced with the same model. After the replacement SUP was started it bootet till this moment:Loading image !!!!!!!!!!!!!!!! Checking digital signat...
I have been doing lab work in preparation for the 300-115 test schedule for next week. Specifically, I was working on Ether-channel configurations and then transitioned to configuring MSTP utilizing the previously configured links (2 ports bundled in...
Hi there No matter what i do - there it NEVER a reaction when i use the Keys "y", "Y", "z", "Z".... i NEVER get a message "reset successful" How to reach that? What is the best terminal sw for that device - with with kind of terminal emulation? (VT1...
Resolved! C6800IA-48FPD no POE on ports
I have a C6800IA-48FPD that I'm trying to get POE to work on but its not turning on. Any ideas? FEX-0(config)#interface Gi3/0/1FEX-0(config-if)#power inFEX-0(config-if)#power inline aFEX-0(config-if)#power inline autoFEX-0(config-if)#endFEX-0#sh po...
hi!I have two nexus 3k in a vpc domain.On both of the switches we are constantly seeing this messages:debug ip arp error2015 Jun 30 17:26:29.537358 arp: arp_process_receive_packet_msg: Error: Cannot tunnel a incoming tunneled packet2015 Jun 30 17:26...
