Spanning Tree Protocol daemon runs in dd-wrt no matter what

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gilius
DD-WRT Novice


Joined: 18 Oct 2022
Posts: 25

PostPosted: Tue Mar 12, 2024 23:08    Post subject: Spanning Tree Protocol daemon runs in dd-wrt no matter what Reply with quote
For a long time now I have been seeing this in netstat -pan:

Active UNIX domain sockets (servers and established)
Proto RefCnt Flags Type State I-Node PID/Program name Path
unix 2 [ ] DGRAM 4165 938/hostapd /var/run/hostapd/wlan0
unix 2 [ ] DGRAM 971 893/hostapd /var/run/hostapd/wlan1
unix 2 [ ] DGRAM 2631 508/mstpd @.mstp_server@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
unix 2 [ ] DGRAM 106 1/init
unix 2 [ ] DGRAM 4167 938/hostapd
unix 2 [ ] DGRAM 2629 508/mstpd
unix 2 [ ] DGRAM 5411 1345/httpd
unix 2 [ ] DGRAM 6062 1932/dnsmasq
unix 2 [ ] DGRAM 4489 1088/cron
unix 2 [ ] DGRAM 6078 1952/dropbear


There is no service command (as in other services) to disable or kill this service. I have a real simple question. Why is this running?

This is a server daemon that does not need to be running for any reason if STP is disabled, which it is on all my routers by default. However, I actually have to take the step to include a specific kill command in the custom command startup field in the dd-wrt gui to put a stop to this server. This has been going on for a long time now; sometime last year at my best estimate.

I would like to know why this code is running but I would also be interested to know why there is no service command to stop or disable it (rendering 'kill' the only way to bring it down). I would also like to know why disabling STP in the GUI has no effect on stopping this server daemon.
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Alozaros
DD-WRT Guru


Joined: 16 Nov 2015
Posts: 6525
Location: UK, London, just across the river..

PostPosted: Wed Mar 13, 2024 6:53    Post subject: Reply with quote
if you do a deep search in the forum you will find that STPd is running and its purpose is to handle br (bridge) communications...if im not wrong...but i rather not waste time to post links... Cool
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Atheros
TP-Link WR740Nv1 ---DD-WRT 56941 WAP
TP-Link WR1043NDv2 -DD-WRT 56941 Gateway/DoT,Forced DNS,Ad-Block,Firewall,x4VLAN,VPN
TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
Qualcomm-Atheros
Netgear XR500 --DD-WRT 56941 Gateway/DoH,Forced DNS,AP Isolation,4VLAN,Ad-Block,Firewall,Vanilla
Netgear R7800 --DD-WRT 57447 Gateway/DoT,AD-Block,Forced DNS,AP&Net Isolation,x3VLAN,Firewall,Vanilla
Netgear R9000 --DD-WRT 57200 Gateway/DoT,AD-Block,AP Isolation,Firewall,Forced DNS,x2VLAN,Vanilla
Broadcom
Netgear R7000 --DD-WRT 55460 Gateway/SmartDNS/DoH,AD-Block,Firewall,Forced DNS,x3VLAN,VPN
NOT USING 5Ghz ANYWHERE
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