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
hiI would like to know if it is possible to replace a supervisor module in a nexus 7706 computer, currently I have only 1 operating since the other is defective. in the document https://www.cisco.com/c/en/us/td/docs/switches/datacenter/hw/nexus7000/i...
I have a 3750G that has been reset to factory default and very basic setup done so far Port 24 is set as no switchport and connected to my ISP router. I have so far set this port up as DHCP and gets IP address from the ISP router. From the switch I c...
I have (4) WS-C3850-48P running IOS ver 16.6.8 in INSTALL mode that are stacked. We had an unexpected power outage and upon restoration, one of the switches didn't come back up. I removed power, disconnected it from the stack and after powering back ...
Resolved! Switch C9500-16X
Hello there, It is possible to have one or more switches with the same Base Ethernet MAC Addres and Device-ID. Is there any way to change this information? SWITCH 01______________________________________Base Ethernet MAC Address : 00:01:02:02:aa:bbMo...
After setting the source port and destination port on the switch with the monitor session 1 command, After "show interface", the number of output packets on the destination port, and the output & input packets on the source port are too different. ...
I successfully stacked two C9500-48Y4C.The Uplink (single 10/100/1000BaseTX SFP) works fine. Then I tried to connect a C9200 with an LACP port-channel (Twe1/0/6 and Twe2/0/6).But I only get:%ETC-5-L3DONTBNDL2: Twe2/0/6 suspended: LACP currently not e...
I have two switches a 10 Port and a 28 Port. I need a single trunk on each switch so that I can tag two VLAN's of traffic. I must admit I have fretted over this configuration for a couple months. For the initial configuration, I have setup all in...
Resolved! Rcv-Err on notconnect SFP Port
Hello, Trying to understand the root cause behind an incrementing amount of Rcv-Errs on SFP ports that have no SFP Module or a connection. I should state, the switches that are experiencing this behavior are in a stack of at least 3. I've seen this o...
Hi! I have a Cisco IE-4010-4S24P and I tried to save the configuration but it shows the following error: Building configuration...SD write failed!SD read failed!SD write failed!SD write failed!SD write failed!SD write failed! Error: There is insu...
I'm having the oddest problem getting a PC to pick up the IP address I've assigned it via MAC address in one of my 3750X clusters.I have 17 other computers that are assigned their IP address via MAC address on this switch cluster.We got a new employe...
Some Clients lose connectivity for no apparent reason, they get an ip address but then they have connectivity issues.I cannot explain it, at frst it seemed it loses connectivity when put into another vlan, but it seems it is a not vlan related issue....
Hi everybody.There are two ways a cisco switch can detect connected PoE:By supplying voltage across Transmit and receive pins, if 25 ohms resistance is detected, switch concludes 802.af compliant PoE device is connected.The second method is used b...
Hellou we have an old linux dhcp server for our iptv network, and i want it finnaly to be shutdown. But i m having tourble with it like what to do / deciphering how to translate it into cisco. # KreaTV Vendor Specific Informationoption space KreaTV;#...
We have a switch stack with six (6) Cisco SG550X switches, and the admin password has been lost. If we follow the standard process (see reference below) for password recovery without loosing the config will that process keep the existing stack config...
