I just completed installation of a stacked pair of 3850s in my datacenter. While I was installing them, I noticed that the lights on ports 1-8 on one of the switches were on solid even though there were no cables connected to that switch. I don't s...
Forum Posts
Ok so I am not a cisco master so lets start with that. I have an AlienVault SIEM on my network and currently I am using the span ports to send all of the switch data for our uplink port to the AlienVault SPAN port. Well, we have been tasked with gett...
Hi everyone, I have port security configured with a sticky MAC address on all switch access ports? today and at the same second, I found that multiple ports get shut down due to MAC violation, the strange thing is that the violated MAC is the same on...
Hello Community, we are testing VoIP in our institute and investigating an issue with our VoIP phones.A couple of phones spradic lose there connection to the SIP server of our provider. We figured out that the problem probably is caused by the port-s...
Resolved! packet tracer activity
please help me with commands for configuring on the attached document.please help i need to finish this in about 1,5hrs from now. your help will be highly appreciated
When I ping various interfaces from different workstations it says that destination host is unreachable. I am not sure where I did mistake.
Hi, We used default of Spanning Tree RPVST on 2x C9200 in Primary Site and Backup Site and would like to use these more effectively to prevent the STP loop and single port loop. We would like to set this followed STP Root Priorty Primary and Secondar...
Resolved! How can i get show run clearly on switch
Hi All,How can i get putty output without 'more' keyword when run 'show run'
I want to construct a network for a company with two branches which each is located in different cities, so how can I connect them in PCT. Can you guys help me ?P/s: I have one head office and two other branches are in two different cities, so how I ...
Have 3 x C9200L-48P-4X in a stack and all of a sudden after a month i cant do a write mem, it saves the config through the GUI, but not the IOS. I receive the following error Admin9200L_Stack#wr memstartup-config file open failed (Device or resource...
Is there a reason that under the 16.12.06 IOS on a 9300L that both the running config and show access-list command show extended ACLs just fine but display standard ACLs in an out-of-order jumbled mess? Switch#show access-lists ACCESS_ACL Standard IP...
Hello, I need to upgrade a 2948G-GE-TX with a Cisco IOS. I have found in cisco.com that it is possible but when I tried to put a cisco IOS in the switch it didn't work. Can anybody help me??Q. For which fixed-configuration and stackable Cisco Catalys...
Resolved! Cisco support
Hi everyone, We are currently running a pair of Cisco Nexus 7706 chassis, running 8.1(2a) SW. Looking at the following link - NXOS7700 EoL SW l am trying to determine if Cisco TAC will support this after LDoS looking at the following statement:Five (...
I have two Cisco Catalyst 4500x VSS configured, so they are working as one.Recently, my site had a power outage and only one switch came back online.I have light status on all LED's besides the actually Ports.I was able to access the online Secondary...
Hi all,we were on IOS Version16.09.3a and did upgrade to 16.09.07.2x WS-C3850 (no PoE)Switches in stack with 4x10G SFP UplinksAll Ports are connected and STP FWD state, but blinking amber, beside that no performance issues ?we checked as per port LE...
