[DHCP Relay]: Support Multiple VLANs (Separate DHCP Relay Agents, One Per VLAN)#999

Merged

lguohan merged 16 commits intosonic-net:masterfrom jleveque:dhcp_relay_multiple_vlans

Oct 5, 2017

+307-143

Commits on Oct 2, 2017

[DHCP Relay]: Support new <DhcpRelays> minigraph tag; support multiple VLANs
jleveque
committed
Don't start dhcrelay in quiet mode so as to get startup output in syslog
jleveque
committed
Update sonic-cfggen tests to support new '<DhcpRelays>' tag
jleveque
committed
<DhcpRelays> tag is only present for VLANs which require a DHCP relay agent -- only parse if present
jleveque
committed
Don't attempt to configure a DHCP relay agent for VLANs without specified DHCP servers
jleveque
committed
Modify to work with Taoyu's minigraph/DB changes (#942 )
jleveque
committed
Reduce number of DHCP servers in sonic-cfggen unit tests from 4 to 2
jleveque
committed
Remove isc-dhcp-relay sample output file from sonic-cfggen test, as we no longer generate that file
jleveque
committed
Update Option 82 isc-dhcp-relay patch to load all interface name-alias maps into memory once at start instead of calling sonic-cfggen on each packet we relay
jleveque
committed
Remove executable permission from Jinja2 template
jleveque
committed
Set max hop count to 1 so that DHCP relay will only relay packets with a hop count of zero
jleveque
committed
Replace tabs with spaces
jleveque
committed
Modify overlooked sonic-cfggen call, use Config DB instead of minigraph
jleveque
committed
Also ensure > 1 VLAN requires a DHCP relay agent before outputting to template
jleveque
committed

Commits on Oct 3, 2017