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vpp: Change NO_LINUX_NL default to y #1857

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Merged
yue-fred-gao merged 1 commit into from
Apr 20, 2026
Merged

vpp: Change NO_LINUX_NL default to y #1857

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5 changes: 4 additions & 1 deletion vslib/vpp/SwitchVpp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -440,7 +440,10 @@ namespace saivs

std::map<sai_object_id_t, std::shared_ptr<IpVrfInfo>> vrf_objMap;
bool nbr_env_read = false;
bool nbr_active = false;
// nbr_active is true by default, can be set to false by env var NO_LINUX_NL = n.
// If false, it will rely on linux_nl_plugin to sync ip to VPP.
// no neighbor entries will be added to vpp from SAI
bool nbr_active = true;
std::map<std::string, std::string> m_intf_prefix_map;
std::unordered_map<std::string, uint32_t> lpbInstMap;
std::unordered_map<std::string, std::string> lpbIpToHostIfMap;
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4 changes: 2 additions & 2 deletions vslib/vpp/SwitchVppNbr.cpp
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Expand Up @@ -140,8 +140,8 @@ bool SwitchVpp::is_ip_nbr_active()
const char *val;

val = getenv("NO_LINUX_NL");
if (val && (*val == 'y' || *val == 'Y')) {
nbr_active = true;
if (val && (*val == 'n' || *val == 'N')) {
nbr_active = false;
}
nbr_env_read = true;
}
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