i have a dhcp pool in cisco router 2811
ip dhcp pool ccp-pool1
network 192.168.48.0 255.255.252.0
dns-server 220.127.116.11 18.104.22.168
No there ip of 192.168.48.0 and 192.168.49.0 series can ping 192.168.48.1 and access internet but when get ip in the series of 192.168.50.0 they cannot ping default gateway 192.168.48.1 and also cannot access internet. however in dhcp lease defult gateway show 192.168.48.1.
i attach my router configuration as attachment
please tell me where i am wrong
and provide the correct command or access-list