1. Sometimes i can not login the 4507R switch using telnet , but i can login 4507R after reboot the 4507R .
2. Using ping to test the network performing, ping the vlan interface of the 4507r directly, like this:
Reply from 192.168.0.254: bytes=32 time=4ms TTL=255;
I think 4ms is too long , is there any problem with the 4507R?