2006年2月2日 · Also no firewalls are being used on the machines. I think the ports on the switches have gone bad coz they show the link is up, but when you ping there is no response.

2018年4月3日 · No network connectivity there. I have the switched plugged into a network cable that goes to our Core. Both ports the one on the new switch, and the one on the Core are configured for Trunking. I then SSH into the Core and try to ping the switch and can't. I also can't ping the Core from the new switch (via my consoled in PC).

Int vlan 91 is already up/up and not pruned otherwise there would have been no communication with the switch from start? If the interface is in operational mode of access then it will change the vlan from 1 (default) to 5 but then how can it improve the problem as the 2 PCs can ping already?

2021年12月1日 · Hello Everyone. I have bought 2 cisco 2600 routers. Got them connected with cross over cable, configured the interfaces on both sides and get no ping getting from one side to the other? Can anyone tell me why,please? IP adresses for both connected interfaces are 192.168.2.1 and 192.168.2.2 with 255....

2017年3月27日 · Solucionado: Consulta, por que si tengo un switch conectado a un pc (el pc con ip y mascarara) por que no puedo hacer ping del switch al pc, pero si configuro una vlan ahi si funciona el ping (lo estoy probando en packe tracer)

2007年6月29日 · We are having connectivity issues with a couple of our 3750 switches. The devices were working a week ago but now we can't connect remotely or ping. Switches are showing up in CDP neighbors. Any ideas of what could have happened, or …

2017年11月9日 · A ping C or D and oposite My question is if i remove gateway from A host ,is it possible to ping host C, my test prove that can not ping and also host A (without gateway) can not ping the router FA/1 ip. Is it possible to be done to ping without gateway on host from one side to another and how? without changing the configuration set. regards

2013年12月31日 · All vlans can communicate with each other and the switches and router, vice versa etc. I can ping externally to another router on another network form this layer 3 switch (going accross many routers even) with no problem. However, I cannot ping the internal clients in that remote network from the layer 3 switch, just the router. Why?

2023年12月15日 · Yesterday an interviewer asked me what the port number for ping is and which protocol ping uses: TCP or UDP. After the interview, I searched on the Internet and found different results: someone say...

2013年9月29日 · Now the switch side - we can see the MAC addresses with no issues but can't seem to ping the device on 172.16.21.51 - we understand that historically this was a bitch to setup but we don't remember the actual setup even though we've checked the old config and there isn't anything different. SLC-3750-Rack7#sh mac address-table vlan 21