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Archer C7 v4 on Build 45955 - Disables SFE when DHCPD is set

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GTMoraes
DD-WRT Novice

Joined: 26 Jun 2020
Posts: 12

Posted: Sun Mar 14, 2021 14:43 Post subject: Archer C7 v4 on Build 45955 - Disables SFE when DHCPD is set

So it seems that it disables SFE when I set up DHCPD for an isolated secondary WLAN.

Is that an expected behavior?

Long story short, I'm trying to setup a 2.4GHz secondary network so my shady, outdated Chinese IoT devices connect to. I managed to do so with ease, but I noticed a considerable hit on my network speed on other machines on the main network.
Upon further inspection, I noticed SFE was off. So I enabled it. Then after a couple of seconds, it turns off on itself.

This is a snippet from the syslog:

Quote:

Mar 14 11:35:38 GTM AC1750 kern.info kernel: [ 1678.070000] ath10k_pci 0000:00:00.0: boot upload otp to 0x1234 len 6211
Mar 14 11:35:38 GTM AC1750 kern.warn kernel: [ 1678.100000] ath10k_pci 0000:00:00.0: otp stream is empty, using board.bin contents
Mar 14 11:35:39 GTM AC1750 kern.info kernel: [ 1679.010000] ath10k_pci 0000:00:00.0: Init Max Stations to 128
Mar 14 11:35:39 GTM AC1750 kern.info kernel: [ 1679.020000] ath10k_pci 0000:00:00.0: P 135 V 16 T 433
Mar 14 11:35:39 GTM AC1750 kern.info kernel: [ 1679.030000] ath10k_pci 0000:00:00.0: alloc rem: 8440 iram: 30564
Mar 14 11:35:39 GTM AC1750 kern.info kernel: [ 1679.040000] ath10k_pci 0000:00:00.0: wmi event ready sw_version 0x41000061 abi_version 1 mac_addr 70:4f:57:3b:94:cb status 0
Mar 14 11:35:39 GTM AC1750 kern.warn kernel: [ 1679.050000] ath10k_pci 0000:00:00.0: pdev param 0 not supported by firmware
Mar 14 11:35:39 GTM AC1750 kern.warn kernel: [ 1679.070000] ath10k_pci 0000:00:00.0: failed to set vdev 0 tx encap mode: -122
Mar 14 11:35:39 GTM AC1750 kern.info kernel: [ 1679.080000] device wlan1 entered promiscuous mode
Mar 14 11:35:39 GTM AC1750 kern.info kernel: [ 1679.090000] br0: port 3(wlan1) entered forwarding state
Mar 14 11:35:39 GTM AC1750 kern.info kernel: [ 1679.090000] br0: port 3(wlan1) entered forwarding state
Mar 14 11:35:39 GTM AC1750 kern.info kernel: [ 1679.110000] br0: port 3(wlan1) entered disabled state
Mar 14 11:35:40 GTM AC1750 kern.info kernel: [ 1679.530000] br0: port 3(wlan1) entered forwarding state
Mar 14 11:35:40 GTM AC1750 kern.info kernel: [ 1679.540000] br0: port 3(wlan1) entered forwarding state
Mar 14 11:35:40 GTM AC1750 user.info : bridge : interface wlan1 successfully added to bridge br0
Mar 14 11:35:40 GTM AC1750 kern.info kernel: [ 1679.770000] device vlan2 entered promiscuous mode
Mar 14 11:35:40 GTM AC1750 user.info : vpn modules : vpn modules successfully unloaded
Mar 14 11:35:40 GTM AC1750 user.info : vpn modules : nf_conntrack_proto_gre successfully loaded
Mar 14 11:35:40 GTM AC1750 user.info : vpn modules : nf_nat_proto_gre successfully loaded
Mar 14 11:35:40 GTM AC1750 user.info : vpn modules : nf_conntrack_pptp successfully loaded
Mar 14 11:35:40 GTM AC1750 user.info : vpn modules : nf_nat_pptp successfully loaded
Mar 14 11:35:42 GTM AC1750 kern.alert kernel: [ 1681.870000] fast-classifier: shutting down
Mar 14 11:35:42 GTM AC1750 user.info : sfe : shortcut forwarding engine successfully stopped
Mar 14 11:35:42 GTM AC1750 kern.info kernel: [ 1681.910000] device vlan2 left promiscuous mode
Mar 14 11:35:42 GTM AC1750 user.info : dnsmasq : daemon successfully stopped
Mar 14 11:35:42 GTM AC1750 user.info : ttraff : traffic counter daemon successfully started
Mar 14 11:35:42 GTM AC1750 user.debug : ttraff: data collection started
Mar 14 11:35:42 GTM AC1750 user.info : dnsmasq : daemon successfully started
Mar 14 11:35:44 GTM AC1750 user.info : vpn modules : vpn modules successfully unloaded
Mar 14 11:35:44 GTM AC1750 user.info : vpn modules : nf_conntrack_proto_gre successfully loaded
Mar 14 11:35:44 GTM AC1750 user.info : vpn modules : nf_nat_proto_gre successfully loaded
Mar 14 11:35:44 GTM AC1750 user.info : vpn modules : nf_conntrack_pptp successfully loaded
Mar 14 11:35:44 GTM AC1750 user.info : vpn modules : nf_nat_pptp successfully loaded
Mar 14 11:35:46 GTM AC1750 user.info : sfe : shortcut forwarding engine successfully stopped
Mar 14 11:35:46 GTM AC1750 user.info : cron : daemon successfully stopped
Mar 14 11:35:46 GTM AC1750 cron.info cron[16012]: (CRON) STARTUP (fork ok)
Mar 14 11:35:46 GTM AC1750 user.info : cron : daemon successfully started
Mar 14 11:35:47 GTM AC1750 kern.info kernel: [ 1687.240000] br0: port 1(vlan1) entered forwarding state
Mar 14 11:35:48 GTM AC1750 user.info : wland : daemon successfully stopped
Mar 14 11:35:48 GTM AC1750 user.info : wland : daemon successfully started
Mar 14 11:35:48 GTM AC1750 user.info : wan : WAN is up. IP: 192.168.0.2
Mar 14 11:35:48 GTM AC1750 user.info : dnsmasq : daemon successfully stopped
Mar 14 11:35:48 GTM AC1750 user.info : dnsmasq : daemon successfully started
Mar 14 11:35:48 GTM AC1750 user.info : httpd : daemon successfully stopped
Mar 14 11:35:48 GTM AC1750 daemon.info httpd[13133]: httpd : httpd server shutdown
Mar 14 11:35:48 GTM AC1750 daemon.info httpd[16231]: httpd : httpd server started at port 80
Mar 14 11:35:48 GTM AC1750 user.info : httpd : http daemon successfully started
Mar 14 11:35:48 GTM AC1750 user.info : vpn modules : vpn modules successfully unloaded
Mar 14 11:35:48 GTM AC1750 user.info : vpn modules : nf_conntrack_proto_gre successfully loaded
Mar 14 11:35:48 GTM AC1750 user.info : vpn modules : nf_nat_proto_gre successfully loaded
Mar 14 11:35:48 GTM AC1750 user.info : vpn modules : nf_conntrack_pptp successfully loaded
Mar 14 11:35:48 GTM AC1750 user.info : vpn modules : nf_nat_pptp successfully loaded
Mar 14 11:35:49 GTM AC1750 kern.info kernel: [ 1689.320000] br0: port 2(wlan0) entered forwarding state
Mar 14 11:35:50 GTM AC1750 user.info : sfe : shortcut forwarding engine successfully stopped
Mar 14 11:35:50 GTM AC1750 user.info : process_monitor : daemon successfully stopped
Mar 14 11:35:50 GTM AC1750 daemon.info process_monitor[13329]: process_monitor : cleanup timers
Mar 14 11:35:50 GTM AC1750 user.info : process_monitor : successfully started
Mar 14 11:35:50 GTM AC1750 daemon.debug ntpclient[16519]: Connecting to a.st1.ntp.br [200.160.7.186] ...
Mar 14 11:35:50 GTM AC1750 daemon.info ntpclient[16519]: Time set from a.st1.ntp.br [200.160.7.186].
Mar 14 11:35:50 GTM AC1750 daemon.info process_monitor[16517]: cyclic NTP Update success (servers a.st1.ntp.br)
Mar 14 11:35:50 GTM AC1750 daemon.debug process_monitor[16517]: We need to re-update after 3600 seconds
Mar 14 11:35:50 GTM AC1750 daemon.info process_monitor[16517]: process_monitor : set timer: 3600 seconds, callback: ntp_main()
Mar 14 11:35:55 GTM AC1750 kern.info kernel: [ 1694.560000] br0: port 3(wlan1) entered forwarding state
Mar 14 11:36:33 GTM AC1750 user.info : servicemanager : waiting for services to finish (9)...
Mar 14 11:36:33 GTM AC1750 kern.info kernel: [ 1733.100000] br0: port 3(wlan1) entered disabled state
Mar 14 11:36:33 GTM AC1750 kern.info kernel: [ 1733.100000] br0: port 2(wlan0) entered disabled state
Mar 14 11:36:33 GTM AC1750 kern.info kernel: [ 1733.110000] br0: port 1(vlan1) entered disabled state
Mar 14 11:36:33 GTM AC1750 user.info : bridge : interface vlan1 successfully deleted from bridge br0
Mar 14 11:36:33 GTM AC1750 user.info : ttraff : traffic counter daemon successfully stopped
Mar 14 11:36:33 GTM AC1750 user.info : bridge : bridge br0 successfully deleted
Mar 14 11:36:33 GTM AC1750 kern.info kernel: [ 1733.160000] device wlan1 left promiscuous mode
Mar 14 11:36:33 GTM AC1750 kern.info kernel: [ 1733.170000] br0: port 3(wlan1) entered disabled state
Mar 14 11:36:33 GTM AC1750 kern.info kernel: [ 1733.170000] device wlan0 left promiscuous mode
Mar 14 11:36:33 GTM AC1750 kern.info kernel: [ 1733.180000] br0: port 2(wlan0) entered disabled state
Mar 14 11:36:33 GTM AC1750 kern.info kernel: [ 1733.200000] device vlan1 left promiscuous mode
Mar 14 11:36:33 GTM AC1750 kern.info kernel: [ 1733.200000] device eth0 left promiscuous mode
Mar 14 11:36:33 GTM AC1750 kern.info kernel: [ 1733.210000] br0: port 1(vlan1) entered disabled state
Mar 14 11:36:33 GTM AC1750 user.info : bridge : interface wlan0 successfully deleted from bridge br0
Mar 14 11:36:33 GTM AC1750 user.info : sfe : shortcut forwarding engine successfully stopped
Mar 14 11:36:33 GTM AC1750 user.info : bridge : interface wlan1 successfully deleted from bridge br0
Mar 14 11:36:33 GTM AC1750 kern.alert kernel: [ 1733.460000] fast-classifier (PBR safe v2.1.6b): starting up
Mar 14 11:36:33 GTM AC1750 kern.alert kernel: [ 1733.460000] fast-classifier: registered
Mar 14 11:36:33 GTM AC1750 user.info : sfe : shortcut forwarding engine successfully started
Mar 14 11:36:34 GTM AC1750 user.info : udhcpc : udhcp client process successfully stopped
Mar 14 11:36:35 GTM AC1750 user.info : bridge : bridge br0 successfully added
Mar 14 11:36:35 GTM AC1750 user.info : hostapd : hostapd daemon successfully stopped
Mar 14 11:36:35 GTM AC1750 user.info : bridge : interface wlan0 successfully deleted from bridge br0
Mar 14 11:36:35 GTM AC1750 user.info : bridge : interface wlan1 successfully deleted from bridge br0
Mar 14 11:36:35 GTM AC1750 user.info : bridge : bridge br0 successfully added
Mar 14 11:36:35 GTM AC1750 kern.info kernel: [ 1735.010000] device br0 entered promiscuous mode
Mar 14 11:36:35 GTM AC1750 user.info : bridge : interface vlan1 successfully added to bridge br0
Mar 14 11:36:35 GTM AC1750 kern.info kernel: [ 1735.090000] device vlan1 entered promiscuous mode
Mar 14 11:36:35 GTM AC1750 kern.info kernel: [ 1735.100000] device eth0 entered promiscuous mode
Mar 14 11:36:35 GTM AC1750 kern.info kernel: [ 1735.110000] br0: port 1(vlan1) entered forwarding state
Mar 14 11:36:35 GTM AC1750 kern.info kernel: [ 1735.110000] br0: port 1(vlan1) entered forwarding state
Mar 14 11:36:35 GTM AC1750 kern.info kernel: [ 1735.130000] device br0 left promiscuous mode
Mar 14 11:36:35 GTM AC1750 kern.info kernel: [ 1735.140000] device br0 entered promiscuous mode
Mar 14 11:36:35 GTM AC1750 kern.info kernel: [ 1735.160000] device br0 left promiscuous mode
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: EEPROM regdomain: 0x804c
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: EEPROM indicates we should expect a country code
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: doing EEPROM country->regdmn map search
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: country maps to regdmn code: 0x3b
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: Country alpha2 being used: BR
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: Regpair used: 0x3b
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: regdomain 0x804c dynamically updated by user
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: EEPROM regdomain: 0x804c
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: EEPROM indicates we should expect a country code
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: doing EEPROM country->regdmn map search
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: country maps to regdmn code: 0x3b
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: Country alpha2 being used: BR
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: Regpair used: 0x3b
Mar 14 11:36:35 GTM AC1750 kern.debug kernel: [ 1735.290000] ath: regdomain 0x804c dynamically updated by user
Mar 14 11:36:36 GTM AC1750 kern.info kernel: [ 1735.660000] device wlan0 entered promiscuous mode
Mar 14 11:36:37 GTM AC1750 kern.info kernel: [ 1737.110000] br0: port 2(wlan0) entered forwarding state
Mar 14 11:36:37 GTM AC1750 kern.info kernel: [ 1737.110000] br0: port 2(wlan0) entered forwarding state
Mar 14 11:36:37 GTM AC1750 user.info : bridge : interface wlan0 successfully added to bridge br0
Mar 14 11:36:40 GTM AC1750 kern.warn kernel: [ 1740.400000] ath10k_pci 0000:00:00.0: wmi command 36870 timeout, restarting hardware
Mar 14 11:36:40 GTM AC1750 kern.warn kernel: [ 1740.400000] ath10k_pci 0000:00:00.0: ani_enable failed from debugfs: -11
Mar 14 11:36:40 GTM AC1750 kern.warn kernel: [ 1740.410000] ath10k_pci 0000:00:00.0: cannot restart a device that hasn't been started
Mar 14 11:36:41 GTM AC1750 kern.info kernel: [ 1740.790000] ath10k_pci 0000:00:00.0: boot upload otp to 0x1234 len 6211
Mar 14 11:36:41 GTM AC1750 kern.warn kernel: [ 1740.820000] ath10k_pci 0000:00:00.0: otp stream is empty, using board.bin contents
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1741.750000] ath10k_pci 0000:00:00.0: Init Max Stations to 128
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1741.760000] ath10k_pci 0000:00:00.0: P 135 V 16 T 433
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1741.770000] ath10k_pci 0000:00:00.0: alloc rem: 8440 iram: 30564
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1741.780000] ath10k_pci 0000:00:00.0: wmi event ready sw_version 0x41000061 abi_version 1 mac_addr 70:4f:57:3b:94:cb status 0
Mar 14 11:36:42 GTM AC1750 kern.warn kernel: [ 1741.790000] ath10k_pci 0000:00:00.0: pdev param 0 not supported by firmware
Mar 14 11:36:42 GTM AC1750 kern.warn kernel: [ 1741.810000] ath10k_pci 0000:00:00.0: failed to set vdev 0 tx encap mode: -122
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1741.820000] device wlan1 entered promiscuous mode
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1741.830000] br0: port 3(wlan1) entered forwarding state
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1741.830000] br0: port 3(wlan1) entered forwarding state
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1741.850000] br0: port 3(wlan1) entered disabled state
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1742.270000] br0: port 3(wlan1) entered forwarding state
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1742.280000] br0: port 3(wlan1) entered forwarding state
Mar 14 11:36:42 GTM AC1750 user.info : bridge : interface wlan1 successfully added to bridge br0
Mar 14 11:36:42 GTM AC1750 kern.info kernel: [ 1742.510000] device vlan2 entered promiscuous mode
Mar 14 11:36:43 GTM AC1750 user.info : vpn modules : vpn modules successfully unloaded
Mar 14 11:36:43 GTM AC1750 user.info : vpn modules : nf_conntrack_proto_gre successfully loaded
Mar 14 11:36:43 GTM AC1750 user.info : vpn modules : nf_nat_proto_gre successfully loaded
Mar 14 11:36:43 GTM AC1750 user.info : vpn modules : nf_conntrack_pptp successfully loaded
Mar 14 11:36:43 GTM AC1750 user.info : vpn modules : nf_nat_pptp successfully loaded
Mar 14 11:36:45 GTM AC1750 kern.alert kernel: [ 1744.610000] fast-classifier: shutting down
Mar 14 11:36:45 GTM AC1750 user.info : sfe : shortcut forwarding engine successfully stopped
Mar 14 11:36:45 GTM AC1750 kern.info kernel: [ 1744.650000] device vlan2 left promiscuous mode
Mar 14 11:36:45 GTM AC1750 user.info : dnsmasq : daemon successfully stopped
Mar 14 11:36:45 GTM AC1750 user.info : ttraff : traffic counter daemon successfully started
Mar 14 11:36:45 GTM AC1750 user.debug : ttraff: data collection started
Mar 14 11:36:45 GTM AC1750 user.info : dnsmasq : daemon successfully started
Mar 14 11:36:47 GTM AC1750 user.info : wland : daemon successfully stopped
Mar 14 11:36:47 GTM AC1750 user.info : wland : daemon successfully started
Mar 14 11:36:47 GTM AC1750 user.info : wan : WAN is up. IP: 192.168.0.2
Mar 14 11:36:47 GTM AC1750 user.info : dnsmasq : daemon successfully stopped
Mar 14 11:36:47 GTM AC1750 user.info : dnsmasq : daemon successfully started
Mar 14 11:36:48 GTM AC1750 user.info : vpn modules : vpn modules successfully unloaded
Mar 14 11:36:48 GTM AC1750 user.info : vpn modules : nf_conntrack_proto_gre successfully loaded
Mar 14 11:36:48 GTM AC1750 user.info : vpn modules : nf_nat_proto_gre successfully loaded
Mar 14 11:36:48 GTM AC1750 user.info : vpn modules : nf_conntrack_pptp successfully loaded
Mar 14 11:36:48 GTM AC1750 user.info : vpn modules : nf_nat_pptp successfully loaded
Mar 14 11:36:50 GTM AC1750 user.info : sfe : shortcut forwarding engine successfully stopped
Mar 14 11:36:50 GTM AC1750 user.info : process_monitor : daemon successfully stopped
Mar 14 11:36:50 GTM AC1750 daemon.info process_monitor[16517]: process_monitor : cleanup timers
Mar 14 11:36:50 GTM AC1750 user.info : process_monitor : successfully started
Mar 14 11:36:50 GTM AC1750 kern.info kernel: [ 1750.160000] br0: port 1(vlan1) entered forwarding state
Mar 14 11:36:51 GTM AC1750 user.info : vpn modules : vpn modules successfully unloaded
Mar 14 11:36:51 GTM AC1750 user.info : vpn modules : nf_conntrack_proto_gre successfully loaded
Mar 14 11:36:51 GTM AC1750 user.info : vpn modules : nf_nat_proto_gre successfully loaded
Mar 14 11:36:51 GTM AC1750 user.info : vpn modules : nf_conntrack_pptp successfully loaded
Mar 14 11:36:51 GTM AC1750 user.info : vpn modules : nf_nat_pptp successfully loaded
Mar 14 11:36:52 GTM AC1750 kern.info kernel: [ 1752.160000] br0: port 2(wlan0) entered forwarding state
Mar 14 11:36:52 GTM AC1750 daemon.debug ntpclient[18195]: Connecting to a.st1.ntp.br [200.160.7.186] ...
Mar 14 11:36:52 GTM AC1750 user.info : sfe : shortcut forwarding engine successfully stopped
Mar 14 11:36:52 GTM AC1750 daemon.info ntpclient[18195]: Time set from a.st1.ntp.br [200.160.7.186].
Mar 14 11:36:52 GTM AC1750 daemon.info process_monitor[18194]: cyclic NTP Update success (servers a.st1.ntp.br)
Mar 14 11:36:52 GTM AC1750 user.info : cron : daemon successfully stopped
Mar 14 11:36:53 GTM AC1750 user.info : cron : daemon successfully started
Mar 14 11:36:53 GTM AC1750 cron.info cron[18512]: (CRON) STARTUP (fork ok)
Mar 14 11:36:53 GTM AC1750 daemon.debug process_monitor[18194]: We need to re-update after 3600 seconds
Mar 14 11:36:53 GTM AC1750 daemon.info process_monitor[18194]: process_monitor : set timer: 3600 seconds, callback: ntp_main()
Mar 14 11:36:54 GTM AC1750 user.info : httpd : daemon successfully stopped
Mar 14 11:36:54 GTM AC1750 daemon.info httpd[16242]: httpd : httpd server shutdown
Mar 14 11:36:55 GTM AC1750 daemon.info httpd[18547]: httpd : httpd server started at port 80
Mar 14 11:36:55 GTM AC1750 user.info : httpd : http daemon successfully started

Sponsor

egc
DD-WRT Guru

Joined: 18 Mar 2014
Posts: 12915
Location: Netherlands

Posted: Sun Mar 14, 2021 15:12 Post subject:

Unfortunately yes that is intended behaviour.

According to the developer SFE can cause routing trouble when you have more than one interface like you have.

You can manually start SFE from the command line with:

Code:

startservice sfe

I have the same setup as you with an unbridged interface for my IoT.

I did once enable SFE to test and it seems to keep working but as I do not need it (I am running this on an R7800 which can get almost gigabit without SFE) I disabled SFE again.
_________________
Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087

GTMoraes
DD-WRT Novice

Joined: 26 Jun 2020
Posts: 12

Posted: Sun Mar 14, 2021 15:36 Post subject:

egc wrote:

Code:

startservice sfe

Thanks for the reply! Fun fact, I had read your name a lot while looking for this issue, and I'm flattered to see you had replied to mine lol

I just started the service manually as you said, and it seems to have indeed started, even though still shows as "Disabled" on the radio button.

I'll keep on the lookout to see if I experience any issues by keeping it enabled.
But what would actually be a "routing trouble"? What should I experience to say "oh, it's a routing issue"?
Everything seems to be working for now (IoT devices are responding, downloads are working, streams are streaming etc)

Thanks for the help!

egc
DD-WRT Guru

Joined: 18 Mar 2014
Posts: 12915
Location: Netherlands

Posted: Sun Mar 14, 2021 16:33 Post subject:

It is what the developer reported.

SFE works at the packet level so I can imagine packets are going to the wrong interface.

As most traffic is TCP that should be corrected but if that happens a lot you will experience slow down.

But it is just my guess.
_________________
Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087

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Archer C7 v4 on Build 45955 - Disables SFE when DHCPD is set

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