[dhcp_relay] sonic dhcp relay agent for IPv4 - #22486
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kewei-arista
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Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938) Work item tracking Microsoft ADO (number only): How I did it Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB. Align cfg unit test to the new change. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com>
hdwhdw
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Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938) Work item tracking Microsoft ADO (number only): How I did it Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB. Align cfg unit test to the new change. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com> Signed-off-by: Dawei Huang <daweihuang@microsoft.com>
xwjiang-ms
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Dec 22, 2025
Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938). Docker changes PR : sonic-net#22486 How I did it Included new commands to support dhcpv4_relay in dockers/docker-dhcp-relay folder. Corresponding cli-plugin-tests are included. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Co-authored-by: Prashant Srivastava <srivastavaprashant829@gmail.com> Signed-off-by: xiaweijiang <xiaweijiang@microsoft.com>
xwjiang-ms
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Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938) Work item tracking Microsoft ADO (number only): How I did it Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB. Align cfg unit test to the new change. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com> Signed-off-by: xiaweijiang <xiaweijiang@microsoft.com>
jasonbridges
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Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938) Work item tracking Microsoft ADO (number only): How I did it Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB. Align cfg unit test to the new change. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com>
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@Blueve Just wondering when we expect to have these changes backported to 202511 by? |
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@dayouliu1 @AnantKishorSharma please help raise pr for 202511 since there is cherry-pick conflict. |
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@vmittal-msft I'll help out with it. Where can I see the merge-conflicts? |
ashutosh-agrawal
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Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938) Work item tracking Microsoft ADO (number only): How I did it Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB. Align cfg unit test to the new change. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com>
FengPan-Frank
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Mar 6, 2026
Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938) Work item tracking Microsoft ADO (number only): How I did it Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB. Align cfg unit test to the new change. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com> Signed-off-by: Feng Pan <fenpan@microsoft.com>
vmittal-msft
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Mar 23, 2026
* [dhcp_relay] sonic dhcp relay agent for IPv4 (#22486) Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938) Work item tracking Microsoft ADO (number only): How I did it Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB. Align cfg unit test to the new change. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com> * Update sonic-dhcp-relay submodule to include boost dependency fixes Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> --------- Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Anant <127479400+AnantKishorSharma@users.noreply.github.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com> Co-authored-by: Vineet Mittal <46945843+vmittal-msft@users.noreply.github.com>
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mhchann
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May 7, 2026
Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938). Docker changes PR : sonic-net#22486 How I did it Included new commands to support dhcpv4_relay in dockers/docker-dhcp-relay folder. Corresponding cli-plugin-tests are included. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Co-authored-by: Prashant Srivastava <srivastavaprashant829@gmail.com> Signed-off-by: mhchann <mhchann082@gmail.com>
mhchann
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May 7, 2026
Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938) Work item tracking Microsoft ADO (number only): How I did it Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB. Align cfg unit test to the new change. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com> Signed-off-by: mhchann <mhchann082@gmail.com>
roger530-ho
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Jun 23, 2026
Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938). Docker changes PR : sonic-net#22486 How I did it Included new commands to support dhcpv4_relay in dockers/docker-dhcp-relay folder. Corresponding cli-plugin-tests are included. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Co-authored-by: Prashant Srivastava <srivastavaprashant829@gmail.com>
roger530-ho
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Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938) Work item tracking Microsoft ADO (number only): How I did it Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB. Align cfg unit test to the new change. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com>
xdqi
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Jul 6, 2026
Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938). Docker changes PR : sonic-net#22486 How I did it Included new commands to support dhcpv4_relay in dockers/docker-dhcp-relay folder. Corresponding cli-plugin-tests are included. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Co-authored-by: Prashant Srivastava <srivastavaprashant829@gmail.com>
xdqi
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Jul 6, 2026
Why I did it Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks. With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938) Work item tracking Microsoft ADO (number only): How I did it Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB. Align cfg unit test to the new change. How to verify it Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938) Test it with real client/server with IPv4 or use the sonic-mgmt suite Signed-off-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Shivashankar C R <shivashankar.c.r@gmail.com> Co-authored-by: Ashutosh Agrawal <ashu@cisco.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: StormLiangMS <89824293+StormLiangMS@users.noreply.github.com>
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Why I did it
Currently SONiC uses the 'isc-dhcp-relay' package to allow DHCP relay functionality on IPv4 networks.
With this PR we are adding sonic dhcp relay agent for IPv4 as described in this HLD(sonic-net/SONiC#1938)
Work item tracking
How I did it
Edit supervisord template to start sonic DHCPv4 relay instance when configured to do so in Config DB.
Align cfg unit test to the new change.
How to verify it
Configure sonic DHCPv4 agent as described in the feature HLD(sonic-net/SONiC#1938)
Test it with real client/server with IPv4 or use the sonic-mgmt suite
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
sonic dhcp4relay agent
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)