From 363fa060f8b1752b0a3007b12eb81da35be24ee6 Mon Sep 17 00:00:00 2001
From: kellyyeh <42761586+kellyyeh@users.noreply.github.com>
Date: Mon, 5 Feb 2024 11:05:27 -0800
Subject: [PATCH] Skip vlans with no dhcpv6 server configured (#46)

---
 src/config_interface.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/config_interface.cpp b/src/config_interface.cpp
index 08191e4..e6b07fa 100644
--- a/src/config_interface.cpp
+++ b/src/config_interface.cpp
@@ -145,6 +145,10 @@ void processRelayNotification(std::deque<swss::KeyOpFieldsValuesTuple> &entries,
                 intf.is_interface_id = true;
             }
         }
+        if (intf.servers.empty()) {
+            syslog(LOG_WARNING, "No servers found for VLAN %s, skipping configuration.", vlan.c_str());
+            continue;
+        }
         syslog(LOG_INFO, "add %s relay config, option79 %s interface-id %s\n", vlan.c_str(),
                intf.is_option_79 ? "enable" : "disable", intf.is_interface_id ? "enable" : "disable");
         vlans[vlan] = intf;