And my .sdc:
create_clock -period 20
create_clock -name {enet_rx_clk_125} -period 8
create_clock -name {enet_rx_clk_25} -period 40 -add
create_clock -name {enet_rx_clk_2_5} -period 400 -add
create_clock -name {enet_rx_clk_125_virt} -period 8 -waveform { 2.000 6.000 }
create_clock -name {enet_rx_clk_25_virt} -period 40 -waveform { 10.000 30.000 }
create_clock -name {enet_rx_clk_2_5_virt} -period 400 -waveform { 100.000 300.000 }
# Create Generated Clock
create_generated_clock -source {pll_inst|altpll_component|auto_generated|pll1|inclk} -multiply_by 2 -duty_cycle 50.00 -name {sys_clk} {pll_inst|altpll_component|auto_generated|pll1|clk}
create_generated_clock -source {pll_inst|altpll_component|auto_generated|pll1|inclk} -divide_by 2 -multiply_by 5 -duty_cycle 50.00 -name {enet_tx_clk_125} {pll_inst|altpll_component|auto_generated|pll1|clk}
create_generated_clock -source {pll_inst|altpll_component|auto_generated|pll1|inclk} -divide_by 2 -multiply_by 1 -duty_cycle 50.00 -name {enet_tx_clk_25} {pll_inst|altpll_component|auto_generated|pll1|clk}
create_generated_clock -source {pll_inst|altpll_component|auto_generated|pll1|inclk} -divide_by 20 -multiply_by 1 -duty_cycle 50.00 -name {enet_tx_clk_2p5} {pll_inst|altpll_component|auto_generated|pll1|clk}
create_generated_clock -source {gtx_pll_inst|altpll_component|auto_generated|pll1|inclk} -divide_by 2 -multiply_by 5 -duty_cycle 50.00 -phase 90 -name {enet_gtx_clk_125} {gtx_pll_inst|altpll_component|auto_generated|pll1|clk}
create_generated_clock -source {gtx_pll_inst|altpll_component|auto_generated|pll1|inclk} -divide_by 2 -multiply_by 1 -duty_cycle 50.00 -phase 90 -name {enet_gtx_clk_25} {gtx_pll_inst|altpll_component|auto_generated|pll1|clk}
create_generated_clock -source {gtx_pll_inst|altpll_component|auto_generated|pll1|inclk} -divide_by 20 -multiply_by 1 -duty_cycle 50.00 -phase 90 -name {enet_gtx_clk_2p5} {gtx_pll_inst|altpll_component|auto_generated|pll1|clk}
# Set Input Delay
set_input_delay -clock enet_rx_clk_125_virt -max 2.5 ENET1_RX_DV}] -add_delay
set_input_delay -clock enet_rx_clk_125_virt -max 2.5 ENET1_RX_DV}] -clock_fall -add_delay
set_input_delay -clock enet_rx_clk_125_virt -min 1.5 ENET1_RX_DV}] -add_delay
set_input_delay -clock enet_rx_clk_125_virt -min 1.5 ENET1_RX_DV}] -clock_fall -add_delay
set_input_delay -clock enet_rx_clk_25_virt -max 2.5 ENET1_RX_DV}] -add_delay
set_input_delay -clock enet_rx_clk_25_virt -max 2.5 ENET1_RX_DV}] -clock_fall -add_delay
set_input_delay -clock enet_rx_clk_25_virt -min 1.5 ENET1_RX_DV}] -add_delay
set_input_delay -clock enet_rx_clk_25_virt -min 1.5 ENET1_RX_DV}] -clock_fall -add_delay
set_input_delay -clock enet_rx_clk_2_5_virt -max 2.5 ENET1_RX_DV}] -add_delay
set_input_delay -clock enet_rx_clk_2_5_virt -max 2.5 ENET1_RX_DV}] -clock_fall -add_delay
set_input_delay -clock enet_rx_clk_2_5_virt -min 1.5 ENET1_RX_DV}] -add_delay
set_input_delay -clock enet_rx_clk_2_5_virt -min 1.5 ENET1_RX_DV}] -clock_fall -add_delay
# Set Output Delay
set_output_delay -clock enet_tx_clk_125 -min -0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_125 -max -clock_fall 0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_125 -max 0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_125 -min -clock_fall -0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_25 -min -0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_25 -max -clock_fall 0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_25 -max 0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_25 -min -clock_fall -0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_2p5 -min -0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_2p5 -max -clock_fall 0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_2p5 -max 0.5 ENET1_TX_EN}] -add_delay
set_output_delay -clock enet_tx_clk_2p5 -min -clock_fall -0.5 ENET1_TX_EN}] -add_delay
# Set Clock Groups
set_clock_groups -exclusive -group
-group
-group
-group
-group
-group
-group
-group
-group
-group
# Set False Path
set_false_path -from
set_false_path -to
set_false_path -setup -rise_from enet_tx_clk_125 -fall_to enet_gtx_clk_125
set_false_path -setup -fall_from enet_tx_clk_125 -rise_to enet_gtx_clk_125
set_false_path -hold -rise_from enet_tx_clk_125 -rise_to enet_gtx_clk_125
set_false_path -hold -fall_from enet_tx_clk_125 -fall_to enet_gtx_clk_125
set_false_path -setup -rise_from enet_tx_clk_25 -fall_to enet_gtx_clk_25
set_false_path -setup -fall_from enet_tx_clk_25 -rise_to enet_gtx_clk_25
set_false_path -hold -rise_from enet_tx_clk_25 -rise_to enet_gtx_clk_25
set_false_path -hold -fall_from enet_tx_clk_25 -fall_to enet_gtx_clk_25
set_false_path -setup -rise_from enet_tx_clk_2p5 -fall_to enet_gtx_clk_2p5
set_false_path -setup -fall_from enet_tx_clk_2p5 -rise_to enet_gtx_clk_2p5
set_false_path -hold -rise_from enet_tx_clk_2p5 -rise_to enet_gtx_clk_2p5
set_false_path -hold -fall_from enet_tx_clk_2p5 -fall_to enet_gtx_clk_2p5
set_false_path -fall_from enet_rx_clk_125_virt -rise_to enet_rx_clk_125 -setup
set_false_path -rise_from enet_rx_clk_125_virt -fall_to enet_rx_clk_125 -setup
set_false_path -rise_from enet_rx_clk_125_virt -rise_to enet_rx_clk_125 -hold
set_false_path -fall_from enet_rx_clk_125_virt -fall_to enet_rx_clk_125 -hold
set_false_path -fall_from enet_rx_clk_25_virt -rise_to enet_rx_clk_25 -setup
set_false_path -rise_from enet_rx_clk_25_virt -fall_to enet_rx_clk_25 -setup
set_false_path -rise_from enet_rx_clk_25_virt -rise_to enet_rx_clk_25 -hold
set_false_path -fall_from enet_rx_clk_25_virt -fall_to enet_rx_clk_25 -hold
set_false_path -fall_from enet_rx_clk_2_5_virt -rise_to enet_rx_clk_2_5 -setup
set_false_path -rise_from enet_rx_clk_2_5_virt -fall_to enet_rx_clk_2_5 -setup
set_false_path -rise_from enet_rx_clk_2_5_virt -rise_to enet_rx_clk_2_5 -hold
set_false_path -fall_from enet_rx_clk_2_5_virt -fall_to enet_rx_clk_2_5 -hold
# Set Multicycle Path
set_multicycle_path -from enet_tx_clk_125 -to enet_gtx_clk_125 -setup -start 2
set_multicycle_path -from enet_tx_clk_25 -to enet_gtx_clk_25 -setup -start 2
set_multicycle_path -from enet_tx_clk_2p5 -to enet_gtx_clk_2p5 -setup -start 2
# Set Maximum Delay
set_max_delay -from enet_gtx_clk_125 -to 20
set_max_delay -from enet_gtx_clk_25 -to 20
set_max_delay -from enet_gtx_clk_2p5 -to 20
# Set Minimum Delay
set_min_delay -from enet_gtx_clk_125 -to 0
set_min_delay -from enet_gtx_clk_25 -to 0
set_min_delay -from enet_gtx_clk_2p5 -to 0