diff --git a/applications/lofar2/designs/lofar2_unb2b_sdp_station/revisions/lofar2_unb2b_sdp_station_fsub/tb_lofar2_unb2b_sdp_station_fsub_sst_offload.vhd b/applications/lofar2/designs/lofar2_unb2b_sdp_station/revisions/lofar2_unb2b_sdp_station_fsub/tb_lofar2_unb2b_sdp_station_fsub_sst_offload.vhd
index ac3bffbe3e31ee2d4815f4d42c2d7bb2279103ec..725e9cc20df2788c6b317c0a017871e203e12187 100644
--- a/applications/lofar2/designs/lofar2_unb2b_sdp_station/revisions/lofar2_unb2b_sdp_station_fsub/tb_lofar2_unb2b_sdp_station_fsub_sst_offload.vhd
+++ b/applications/lofar2/designs/lofar2_unb2b_sdp_station/revisions/lofar2_unb2b_sdp_station_fsub/tb_lofar2_unb2b_sdp_station_fsub_sst_offload.vhd
@@ -77,7 +77,7 @@ ARCHITECTURE tb OF tb_lofar2_unb2b_sdp_station_fsub_sst_offload IS
 
   -- MM  
   CONSTANT c_mm_file_reg_bsn_source_v2    : STRING := mmf_unb_file_prefix(c_unb_nr, c_node_nr) & "REG_BSN_SOURCE_V2";
-  CONSTANT c_mm_file_reg_stat_enable      : STRING := mmf_unb_file_prefix(c_unb_nr, c_node_nr) & "REG_STAT_ENABLE";
+  CONSTANT c_mm_file_reg_stat_enable      : STRING := mmf_unb_file_prefix(c_unb_nr, c_node_nr) & "REG_STAT_ENABLE_SST";
 
   -- Tb
   SIGNAL tb_end              : STD_LOGIC := '0';
diff --git a/applications/lofar2/images/images.txt b/applications/lofar2/images/images.txt
index a80f153a04742cd1c6e9448b0047d683a1d0689c..3c8a0afc27b593e950e1317c00009a12a2842b57 100644
--- a/applications/lofar2/images/images.txt
+++ b/applications/lofar2/images/images.txt
@@ -3,6 +3,6 @@ Image name                                          | Date          | Author
 unb2b_minimal-r03350b9b9                            | 2021-03-19    |                      |
 lofar2_unb2b_filterbank_full-r8a75c955b             | 2021-03-01    | R vd Walle           | Deprecated, better use lofar2_unb2b_sdp_station_fsub-rc125dfd6d
 lofar2_unb2b_sdp_station_adc-rc125dfd6d             | 2021-04-21    | J. Hargreaves        | -
-lofar2_unb2b_sdp_station_fsub-rc125dfd6d            | 2021-04-21    | R vd Walle           | See $UPE_GEAR/peripherals/tc_lofar2_unb2b_filterbank.py
+lofar2_unb2b_sdp_station_fsub-ra75155e53            | 2021-06-09    | R vd Walle           | See $UPE_GEAR/peripherals/tc_lofar2_unb2b_filterbank.py
 lofar2_unb2b_sdp_station_bf-rc125dfd6d              | 2021-04-21    | R vd Walle           | See $UPE_GEAR/peripherals/tc_lofar2_unb2b_beamformer.py
 
diff --git a/applications/lofar2/images/lofar2_unb2b_sdp_station_fsub-rc125dfd6d.tar.gz b/applications/lofar2/images/lofar2_unb2b_sdp_station_fsub-ra75155e53.tar.gz
similarity index 53%
rename from applications/lofar2/images/lofar2_unb2b_sdp_station_fsub-rc125dfd6d.tar.gz
rename to applications/lofar2/images/lofar2_unb2b_sdp_station_fsub-ra75155e53.tar.gz
index 657af6ad73180869fb7708af746ed327b6005cd8..b717c6caadd010d992ed748e5ee47df2a901b34c 100644
Binary files a/applications/lofar2/images/lofar2_unb2b_sdp_station_fsub-rc125dfd6d.tar.gz and b/applications/lofar2/images/lofar2_unb2b_sdp_station_fsub-ra75155e53.tar.gz differ
diff --git a/applications/lofar2/libraries/sdp/sdp.peripheral.yaml b/applications/lofar2/libraries/sdp/sdp.peripheral.yaml
index 0b5da7eda85b1ce312f2720313fa315772f28c7b..67eef47dc7e3f47dbb1558b2b6cfac89b0c9593f 100644
--- a/applications/lofar2/libraries/sdp/sdp.peripheral.yaml
+++ b/applications/lofar2/libraries/sdp/sdp.peripheral.yaml
@@ -17,19 +17,19 @@ peripherals:
            The other info fields apply per antenna band (low band or high band). An FPGA node only
            participates in one band."
         fields:
-          - - { field_name: station_id,              mm_width: 16, access_mode: RW, address_offset: 0x0 }
-          - - { field_name: antenna_band_index,      mm_width:  1, access_mode: RO, address_offset: 0x4 }
-          - - { field_name: observation_id,          mm_width: 32, access_mode: RW, address_offset: 0x8 }
-          - - { field_name: nyquist_zone_index,      mm_width:  2, access_mode: RW, address_offset: 0xC }
-          - - { field_name: f_adc,                   mm_width:  1, access_mode: RO, address_offset: 0x10 }
-          - - { field_name: fsub_type,               mm_width:  1, access_mode: RO, address_offset: 0x14 }
+          - - { field_name: station_id,              mm_width: 16, access_mode: RW, address_offset: 0x30 }
+          - - { field_name: antenna_band_index,      mm_width:  1, access_mode: RO, address_offset: 0x2C }
+          - - { field_name: observation_id,          mm_width: 32, access_mode: RW, address_offset: 0x28 }
+          - - { field_name: nyquist_zone_index,      mm_width:  2, access_mode: RW, address_offset: 0x24 }
+          - - { field_name: f_adc,                   mm_width:  1, access_mode: RO, address_offset: 0x20 }
+          - - { field_name: fsub_type,               mm_width:  1, access_mode: RO, address_offset: 0x1C }
           - - { field_name: beam_repositioning_flag, mm_width:  1, access_mode: RW, address_offset: 0x18 }
-          - - { field_name: O_si,                    mm_width:  8, access_mode: RW, address_offset: 0x1C }
-          - - { field_name: N_si,                    mm_width:  8, access_mode: RW, address_offset: 0x20 }
-          - - { field_name: O_rn,                    mm_width:  8, access_mode: RW, address_offset: 0x24 }
-          - - { field_name: N_rn,                    mm_width:  8, access_mode: RW, address_offset: 0x28 }
-          - - { field_name: block_period,            mm_width: 16, access_mode: RO, address_offset: 0x2C }
-          - - { field_name: beamlet_scale,           mm_width: 16, access_mode: RW, address_offset: 0x30 }
+          - - { field_name: O_si,                    mm_width:  8, access_mode: RW, address_offset: 0x14 }
+          - - { field_name: N_si,                    mm_width:  8, access_mode: RW, address_offset: 0x10 }
+          - - { field_name: O_rn,                    mm_width:  8, access_mode: RW, address_offset: 0xC  }
+          - - { field_name: N_rn,                    mm_width:  8, access_mode: RW, address_offset: 0x8  }
+          - - { field_name: block_period,            mm_width: 16, access_mode: RO, address_offset: 0x4  }
+          - - { field_name: beamlet_scale,           mm_width: 16, access_mode: RW, address_offset: 0x0  }
 
   - peripheral_name: sdp_subband_equalizer    # pi_sdp_subband_equalizer.py
     peripheral_description: "SDP Subband equalizer coefficients."
diff --git a/libraries/io/eth/src/vhdl/eth_checksum.vhd b/libraries/io/eth/src/vhdl/eth_checksum.vhd
index bfe6208f70468f77e50c6310d951bb0b882de2d1..aead4db3f1fa2b1d8d07ca5f448bef5d9b97d09c 100644
--- a/libraries/io/eth/src/vhdl/eth_checksum.vhd
+++ b/libraries/io/eth/src/vhdl/eth_checksum.vhd
@@ -150,7 +150,7 @@ BEGIN
                   sum;
   
   -- Accumulate the last carry
-  last_dat    <= sum(c_halfword_w-1 DOWNTO 0) + sum_cin;
+  last_dat    <= sum(c_halfword_w-1 DOWNTO 0) + sum_cin + word_sum_cin; -- Also add word_sum_cin in the case that the last word has a carry.
                     
   -- Checksum is 1-complement of the sum
   nxt_checksum     <= NOT(STD_LOGIC_VECTOR(last_dat)) WHEN prev_in_eop_dly='1' ELSE i_checksum;