Disable firewall
How to make Huawei (TE-Data) HG520b Router ping-able Disable firewall and SPI Then disable ACL : Best regards,
How to make TP-Link router ping-able Disable Firewall and SPI : How to Modify ACL : Best regards,
How to make Huawei (TE-Data) Hg532n ping-able Disable firewall : Create New ACL with below snapshot : Best regards,