Can´t Ping from Switch Tl-sg2210p to Router Tl-er5120

Can´t Ping from Switch Tl-sg2210p to Router Tl-er5120
Can´t Ping from Switch Tl-sg2210p to Router Tl-er5120
2016-04-05 19:26:19
Model :

Hardware Version : Not Clear

Firmware Version :

ISP :

Hello,

I have a problem that most of you will consider really simple. But since i´m starting in the world of networks i need to ask.

I have a Router Tl-er5120 with the more simple configuration, with 1 wan port and 4 lan ports, everything in the router works ok.
In one of the lan ports I have a PC (PC A).
In other of the lan ports of the router I have a smart switch connected Tl-sg2210p
In one of the ports of the switch I have another PC (PC B).

No VLAN or anything else was setup so far.

The problem is that from PC A I can ping Router, Switch and PC B.
From Router I can ping the Switch and both PCs.
From PC B I can ping PC A and Switch, but cant reach the Router.
And from the Switch I can´t Ping the Router either.

Anybody could tell me wath configuration I am missing?

I have readed that maybe the VLAN of the smart switch have no permition over the TRUNK, but I didn´t configurate a TRUNK yet.

Thanks in advance.
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Re:Can´t Ping from Switch Tl-sg2210p to Router Tl-er5120
2016-04-11 14:06:49
No, you need not configure anything like TRUNK or else, but you may mind the IP conflict. Since the default IP address of the router and the switch are both 192.168.0.1, you need to change one of it to another one like 192.168.0.254 manually.
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