Hi everyone, Good morning! Hope you can help on this... I never imagine this (may) happen to me here.... I barely pay attentions but couple months ago I realized all the connected-port lights on Csico switches are flashing simultaneously. Most of the...
Forum Posts
Can some one clarify how to change admin username / password and root-system Username and password?
Hi, I have 2 x Cisco Nexus 9K 93180YC-EX units connected via vPC, plus a port-channel (also with vPC) back to our L3 Core (6509 VSS pair). We have a new ESX Host trying to boot via PXE to get a DHCP address but it fails each time getting a 'No offer...
Today, a switch installed just 1 month ago, had a big issue, i couln't see any mac address in any ports, i checked the cofiguration, logs, everything but nothing. we made a test moving one of the affected server to another switch with the same config...
I cannot delete ios16.12.01 from 9200 switch. 16.12.3 already is already installed
We are currently running 6807-XL in a VSS pair using Quad--SUP6T. We are planning to upgrade from 15.5(1)SY3 to 15.5(1)SY5 as the current version has some software vulnerability. What is the leats disruptive to almost non-disruptive upgrade recommen...
So I'm setting up a switch and I have to enforce password complexity. This includes minimum length and special characters and such. I tried to configure a common criteria policy but it didn't seem to actually enforce the policy is it only on using pa...
Hi all, Newbie to networking here. I'm having an issue where I can't access a C3750 switch on a switch stack. There are four switches in the stack. When I try to telnet into the switch, I'm getting "% Connection timed out; remote host not responding...
Resolved! vPC & non vPC VLANs
Hello,I know that best practices is to have a dedicated port-channel for non vPC VLANs and not to allow those VLANs in the peer link. My question is, will it still valid to allow vPC and non vPC VLANs in the peer link? Will that have impact on the pe...
Greetings, I have 4 offline self contained networks. They are setup as such: Network 1: Windows Server 2016 As Domain Controllers And Windows 10 (1909) Clients Connected by Cisco C9300-24Ps.Network 2: Windows Server 2016 As Domain Controllers And Win...
Resolved! L2 switch management
i have a layer two switch with vlan 30 connected to a firewall as its gateway i configured an svi on vlan 30 to be able to manage iti can reach its from within the subnet but not from outside interface GigabitEthernet1/0/11 switchport access vlan 30...
Hi, We've started using 3650 switches, and on two occasions when we've added a new member to the stack the stack has rebooted. Scenario last night: 1 x 3650 powered on and active, running 16.3.6. Connected the stack cables to link in two more switch...
hello guys I wish to update my switch to this version c2960x-universalk9-mz.152-7.E2, however I saw the reviews and 2 people say that the update didn't work. Does anyone updated to this version?
Hi A switch default behavior is , if QOS is not enabled , to trust DSCP marking( or just pass through Marking) . But if I enable auto qos on one interface all the other interfaces are automatically in NON trust state and start rewriting DSCP to 0.Her...
I have two cisco Nexus 93108TC Chassis Im having problem with the traffic going in and out the interface, please let me know what I missed.Thank you in advance.From the logging:zhongxinjifang9300-1 %ETH_PORT_CHANNEL-5-FOP_CHANGED: port-channel2: firs...
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