From f891fd9e9aa35614ab171ab3ce7bb33c3ed84ce7 Mon Sep 17 00:00:00 2001
From: Saravana Periyasamy <saravanakumar.periyasamy@gmail.com>
Date: Mon, 28 Jan 2019 19:44:53 -0600
Subject: [PATCH] some DHCP servers expect to request for explicit router
 options

---
 plugins/ipam/dhcp/lease.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/ipam/dhcp/lease.go b/plugins/ipam/dhcp/lease.go
index f34195fd..17a3f912 100644
--- a/plugins/ipam/dhcp/lease.go
+++ b/plugins/ipam/dhcp/lease.go
@@ -130,6 +130,7 @@ func (l *DHCPLease) acquire() error {
 
 	opts := make(dhcp4.Options)
 	opts[dhcp4.OptionClientIdentifier] = []byte(l.clientID)
+	opts[dhcp4.OptionParameterRequestList] = []byte{byte(dhcp4.OptionRouter)}
 
 	pkt, err := backoffRetry(func() (*dhcp4.Packet, error) {
 		ok, ack, err := DhcpRequest(c, opts)