Switching

Hi,I have a problem with a Cisco Catalyst 2960.In the logging I see those messages:-Traceback= 555260z 2C3CCz 2CE40z 2CEC0z 290D4z 2E2BD04z 2E27A00zFeb 17 11:01:34.410: %SCHED-3-SEMLOCKED: License Client Notification attempted to lock a semaphore, al...

Hi, I have upgrade our Switch that was running c3560cx-universalk9-mz.152-7.E2.bin to the latest version c3560cx-universalk9-mz.152-7.E5.bin After the upgrade that took 11 minutes to complete and I waited a bit longer (10 mins extra) and found tacacs...

I need to have a standalone N540 with 6.5.3 emulate a G.8275.1 T-BC, that supports L2 switch functions to handle multiple (>2) interfaces. I have configured the G.8275.1 T-BC and it operates as expected. I first started with 2 interfaces, with one as...

Hi everyone!I tried config LACP on two switch Layer 3 by Pnetlab as below:but it just show error:*Feb 17 08:09:55.391: %EC-5-L3DONTBNDL2: Et0/1 suspended: LACP currently not enabled on the remote port.*Feb 17 08:09:55.652: %EC-5-L3DONTBNDL2: Et0/0 su...

Hey all. We recently became aware of a weak fiber link in our network and we want to start monitoring for low Rx/Tx optical power via SNMP. Are there any MIBs or OIDs I can reference to pull details that will display the High/Low warn and High/Low cr...

Hi,  i am running anyconnect 4.8 on WM win11 but crash on that with message : anyconnect was not able to esthablish a connection... (all FW, AV, all off, clean windows installation)  7:59:23 PM User credentials entered.7:59:23 PM Please respond to ba...

 Hi Guys, I have a very basic Cisco switch WS-C2960-8TC-L. I wonder if it is possible to have intervlan switching enabled on it? I know this is L2 switch, but since it doesn't have a fan it's not noisy and I can keep it on my desk.I can configure VLA...

Hi, I have the WS-4900M switch, layer 3 is new to me, hence my question. I added some vlan and vlan interfaces addressing for them.Communication in vlan works, but I have no answer directly from the switch by pinging the vlan addressing. Communicatio...

Hello,last week we tra to split our vtp domain in two differnet domains.Cause: We have to much spanning-tree instances on the access-layer. At the time we are not able to add new vlans because the max stp instances of 128. MSTP is no option in our ca...

具体故障现象vss 4500x  与 ws-c3750 stack 通过两条trunk链路互连，3750stack 由3750G-48ts   3750G-12TS,3750E-48ts组成，一条10G，一条1G，通过生成树协议基于vlan阻断一条链路，设备正常运行很长时间，现出现，4500x和3750上部份三层vlan接口不通，实际vlan是1111,现象是4500上arp 表老化后刷新不成功，造成4500回包异常， 经过对vlan1110到1130测试，同样IP地址，vlan  1110  ...

Hello, Is there any issues with adding a igmp static-group address to multiple interfaces on the ASA platform with the same group address? We I have the option on a single interface the traffic flows properly but when I try to add a second interface ...

I have a stack of Cisco 3750 switches that I use as my core and another stack for my servers. The 2 stacks are connected via a CAT6 cable. Right now, the port on the Core stack and Server stack is running 100 Megabit. When I forced the speed to a Gig...

HelloPlease I need your guidance on how to configure my cbs 350 trunk port not to have auto-negotiation. I saw the settings on port management and when I deactivate auto-management on the trunk port, then I lost connection to my router totally and al...