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Thread: Wifi extremely slow on WPA2 Personal network after some updates.

  1. #1
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    Default Wifi extremely slow on WPA2 Personal network after some updates.

    Hello,
    I have OpenSUSE LEAP 15.0 KDE installed on my Lenovo T480. Since I've been spending more time with my desktop, I've been sloppy at maintaining my laptop. After some upgrades, I am noticing that wireless speed is unbearably slow. I'm talking about from ~10MB/s to 100kB/s.

    It's definitely not the hardware because it works perfectly fine on W10 side, and it worked perfectly fine some months ago, and it works fine at my work WPA2 Enterprise-PEAP wifi network.

    I am not sure what to make of it and not even sure where to start. I did some reading, and I tried adding nameserver for /etc/rc.conf, tried creating and playing with /etc/modprobe.d/iwlwifi.conf followed by mkinitrd. I am at a loss. Could someone help me get started on fixing this?
    Thanks
    -SJL

  2. #2
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    Default Re: Wifi extremely slow on WPA2 Personal network after some updates.

    Quote Originally Posted by SJLPHI View Post
    Hello,
    I have OpenSUSE LEAP 15.0 KDE installed on my Lenovo T480. Since I've been spending more time with my desktop, I've been sloppy at maintaining my laptop. After some upgrades, I am noticing that wireless speed is unbearably slow. I'm talking about from ~10MB/s to 100kB/s.

    It's definitely not the hardware because it works perfectly fine on W10 side, and it worked perfectly fine some months ago, and it works fine at my work WPA2 Enterprise-PEAP wifi network.

    I am not sure what to make of it and not even sure where to start. I did some reading, and I tried adding nameserver for /etc/rc.conf, tried creating and playing with /etc/modprobe.d/iwlwifi.conf followed by mkinitrd. I am at a loss. Could someone help me get started on fixing this?
    Thanks
    -SJL
    Posting the output of 'journalctl -b --grep wlan0' might help. Replace wlan0 by your interface name.
    AMD Athlon 4850e (2009), openSUSE 13.1, KDE 4, Intel i3-4130 (2014), i7-6700K (2016), i5-8250U (2018), openSUSE Tumbleweed, KDE Plasma 5

  3. #3
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    Default Re: Wifi extremely slow on WPA2 Personal network after some updates.

    A useful first steps to troubleshooting is to open a web browser to a remote site (recommend on the Internet).
    Watch the bottom left of your web browser window, the "status bar" should display your progress by description.

    You should be able to determine various things like...
    - Is it taking a long time to resolve the name?
    - Is your machine finding it hard to find the remote website?
    - Has your browser contacted the remote website and is now waiting for a response?
    etc.

    TSU
    Beginner Wiki Quickstart - https://en.opensuse.org/User:Tsu2/Quickstart_Wiki
    Solved a problem recently? Create a wiki page for future personal reference!
    Learn something new?
    Attended a computing event?
    Post and Share!

  4. #4
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    Default Re: Wifi extremely slow on WPA2 Personal network after some updates.

    Code:
    ~> sudo journalctl -b |grep wlan0Sep 06 10:32:14 Zooricker NetworkManager[1675]: <info>  [1567758734.6566] wifi-nl80211: (wlan0): using nl80211 for WiFi device control
    Sep 06 10:32:14 Zooricker NetworkManager[1675]: <info>  [1567758734.6574] device (wlan0): driver supports Access Point (AP) mode
    Sep 06 10:32:14 Zooricker NetworkManager[1675]: <info>  [1567758734.6599] manager: (wlan0): new 802.11 WiFi device (/org/freedesktop/NetworkManager/Devices/3)
    Sep 06 10:32:14 Zooricker NetworkManager[1675]: <info>  [1567758734.6628] device (wlan0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
    Sep 06 10:32:14 Zooricker kernel: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    Sep 06 10:32:14 Zooricker kernel: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    Sep 06 10:32:14 Zooricker NetworkManager[1675]: <info>  [1567758734.9054] device (wlan0): set-hw-addr: set MAC address to CA:1B:FA:F5:CD:D1 (scanning)
    Sep 06 10:32:15 Zooricker kernel: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    Sep 06 10:32:15 Zooricker NetworkManager[1675]: <info>  [1567758735.1958] device (wlan0): supplicant interface state: init -> starting
    Sep 06 10:32:15 Zooricker NetworkManager[1675]: <info>  [1567758735.2679] sup-iface[0x55c7f2de2800,wlan0]: supports 5 scan SSIDs
    Sep 06 10:32:15 Zooricker NetworkManager[1675]: <info>  [1567758735.2692] device (wlan0): supplicant interface state: starting -> ready
    Sep 06 10:32:15 Zooricker kernel: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    Sep 06 10:32:15 Zooricker NetworkManager[1675]: <info>  [1567758735.2693] device (wlan0): state change: unavailable -> disconnected (reason 'supplicant-available', sys-iface-state: 'managed')
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <info>  [1567758738.6642] device (wlan0): Activation: starting connection 'SJLPHI_5' (c56f0e33-5b7d-4943-ad81-ee6f998e6f47)
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <info>  [1567758738.6646] device (wlan0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <info>  [1567758738.6794] device (wlan0): set-hw-addr: reset MAC address to 3C:6A:A7:D5:32:57 (preserve)
    Sep 06 10:32:18 Zooricker kernel: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <info>  [1567758738.6863] device (wlan0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <info>  [1567758738.6866] device (wlan0): Activation: (wifi) access point 'SJLPHI_5' has security, but secrets are required.
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <info>  [1567758738.6866] device (wlan0): state change: config -> need-auth (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <info>  [1567758738.6867] sup-iface[0x55c7f2de2800,wlan0]: wps: type pbc start...
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <warn>  [1567758738.6883] device (wlan0): No agents were available for this request.
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <info>  [1567758738.7302] device (wlan0): supplicant interface state: ready -> disconnected
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <info>  [1567758738.7313] device (wlan0): supplicant interface state: disconnected -> inactive
    Sep 06 10:32:18 Zooricker NetworkManager[1675]: <info>  [1567758738.7365] device (wlan0): supplicant interface state: inactive -> scanning
    Sep 06 10:32:49 Zooricker NetworkManager[1675]: <info>  [1567758769.0006] device (wlan0): state change: need-auth -> failed (reason 'no-secrets', sys-iface-state: 'managed')
    Sep 06 10:32:49 Zooricker NetworkManager[1675]: <warn>  [1567758769.0024] device (wlan0): Activation: failed for connection 'SJLPHI_5'
    Sep 06 10:32:49 Zooricker NetworkManager[1675]: <info>  [1567758769.0041] device (wlan0): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:49 Zooricker kernel: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    Sep 06 10:32:49 Zooricker NetworkManager[1675]: <info>  [1567758769.0103] device (wlan0): set-hw-addr: set MAC address to 62:DE:06:72:10:28 (scanning)
    Sep 06 10:32:49 Zooricker kernel: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    Sep 06 10:32:49 Zooricker NetworkManager[1675]: <info>  [1567758769.0302] device (wlan0): supplicant interface state: scanning -> disabled
    Sep 06 10:32:49 Zooricker NetworkManager[1675]: <info>  [1567758769.0715] device (wlan0): supplicant interface state: disabled -> inactive
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.0554] device (wlan0): Activation: starting connection 'SJLPHI_5' (c56f0e33-5b7d-4943-ad81-ee6f998e6f47)
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.0562] device (wlan0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.0599] device (wlan0): set-hw-addr: reset MAC address to 3C:6A:A7:D5:32:57 (preserve)
    Sep 06 10:32:52 Zooricker.SJLPHI kernel: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.0765] device (wlan0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.0772] device (wlan0): Activation: (wifi) access point 'SJLPHI_5' has security, but secrets are required.
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.0773] device (wlan0): state change: config -> need-auth (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.0778] sup-iface[0x55c7f2de2800,wlan0]: wps: type pbc start...
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.1311] device (wlan0): supplicant interface state: inactive -> disconnected
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.1338] device (wlan0): supplicant interface state: disconnected -> inactive
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.1389] device (wlan0): supplicant interface state: inactive -> scanning
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.5080] device (wlan0): state change: need-auth -> prepare (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.5087] device (wlan0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:52 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758772.5091] device (wlan0): Activation: (wifi) connection 'SJLPHI_5' has security, and secrets exist.  No new secrets needed.
    Sep 06 10:32:54 Zooricker.SJLPHI kernel: wlan0: authenticate with 38:35:fb:16:96:55
    Sep 06 10:32:54 Zooricker.SJLPHI kernel: wlan0: send auth to 38:35:fb:16:96:55 (try 1/3)
    Sep 06 10:32:54 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758774.9342] device (wlan0): supplicant interface state: scanning -> authenticating
    Sep 06 10:32:54 Zooricker.SJLPHI kernel: wlan0: authenticated
    Sep 06 10:32:54 Zooricker.SJLPHI kernel: wlan0: associate with 38:35:fb:16:96:55 (try 1/3)
    Sep 06 10:32:54 Zooricker.SJLPHI kernel: wlan0: RX AssocResp from 38:35:fb:16:96:55 (capab=0x511 status=0 aid=36)
    Sep 06 10:32:54 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758774.9520] device (wlan0): supplicant interface state: authenticating -> associating
    Sep 06 10:32:54 Zooricker.SJLPHI kernel: wlan0: associated
    Sep 06 10:32:54 Zooricker.SJLPHI kernel: IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
    Sep 06 10:32:54 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758774.9579] device (wlan0): supplicant interface state: associating -> associated
    Sep 06 10:32:54 Zooricker.SJLPHI kernel: wlan0: Limiting TX power to 23 (23 - 0) dBm as advertised by 38:35:fb:16:96:55
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.0107] device (wlan0): supplicant interface state: associated -> 4-way handshake
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.0786] device (wlan0): supplicant interface state: 4-way handshake -> completed
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.0787] device (wlan0): Activation: (wifi) Stage 2 of 5 (Device Configure) successful.  Connected to wireless network 'SJLPHI_5'.
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.1162] device (wlan0): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.1190] dhcp4 (wlan0): activation: beginning transaction (timeout in 45 seconds)
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.1244] dhcp4 (wlan0): dhclient started with pid 2649
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.1957] dhcp4 (wlan0):   address 192.168.1.27
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.1958] dhcp4 (wlan0):   plen 24 (255.255.255.0)
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.1959] dhcp4 (wlan0):   gateway 192.168.1.1
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.1960] dhcp4 (wlan0):   lease time 259200
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.1960] dhcp4 (wlan0):   nameserver '192.168.1.1'
    Sep 06 10:32:55 Zooricker.SJLPHI avahi-daemon[1399]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.27.
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.1961] dhcp4 (wlan0):   domain name 'home'
    Sep 06 10:32:55 Zooricker.SJLPHI avahi-daemon[1399]: New relevant interface wlan0.IPv4 for mDNS.
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.1961] dhcp4 (wlan0): state changed unknown -> bound
    Sep 06 10:32:55 Zooricker.SJLPHI avahi-daemon[1399]: Registering new address record for 192.168.1.27 on wlan0.IPv4.
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.2009] device (wlan0): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.2032] device (wlan0): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.2041] device (wlan0): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.2112] policy: set 'SJLPHI_5' (wlan0) as default for IPv4 routing and DNS
    Sep 06 10:32:55 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758775.4963] device (wlan0): Activation: successful, device activated.
    Sep 06 10:32:55 Zooricker.SJLPHI nm-dispatcher[2609]: req:2 'up' [wlan0]: new request (4 scripts)
    Sep 06 10:32:55 Zooricker.SJLPHI nm-dispatcher[2609]: req:2 'up' [wlan0]: start running ordered scripts...
    Sep 06 10:32:57 Zooricker.SJLPHI avahi-daemon[1399]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::f0a9:754f:95c1:72a5.
    Sep 06 10:32:57 Zooricker.SJLPHI avahi-daemon[1399]: New relevant interface wlan0.IPv6 for mDNS.
    Sep 06 10:32:57 Zooricker.SJLPHI avahi-daemon[1399]: Registering new address record for fe80::f0a9:754f:95c1:72a5 on wlan0.*.

  5. #5
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    Default Re: Wifi extremely slow on WPA2 Personal network after some updates.

    Code:
    Sep 06 10:32:57 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758777.2490] dhcp6 (wlan0): activation: beginning transaction (timeout in 45 seconds)
    Sep 06 10:32:57 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758777.2536] dhcp6 (wlan0): dhclient started with pid 2793
    Sep 06 10:32:57 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758777.2569] policy: set 'SJLPHI_5' (wlan0) as default for IPv6 routing and DNS
    Sep 06 10:32:58 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758778.2910] dhcp6 (wlan0):   valid_lft 3600
    Sep 06 10:32:58 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758778.2911] dhcp6 (wlan0):   preferred_lft 3600
    Sep 06 10:32:58 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758778.2911] dhcp6 (wlan0):   address 2001:1715:9d91:12c0:21a1:356f:f0bf:5ff2
    Sep 06 10:32:58 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758778.2912] dhcp6 (wlan0):   nameserver 'fdaa:bbcc:ddee::1'
    Sep 06 10:32:58 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758778.2912] dhcp (wlan0):   domain search 'home.'
    Sep 06 10:32:58 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758778.2913] dhcp6 (wlan0): state changed unknown -> bound, event ID="a7:d5:32:57|1567710949"
    Sep 06 10:32:58 Zooricker.SJLPHI avahi-daemon[1399]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::f0a9:754f:95c1:72a5.
    Sep 06 10:32:58 Zooricker.SJLPHI avahi-daemon[1399]: Joining mDNS multicast group on interface wlan0.IPv6 with address fdaa:bbcc:ddee:0:31f4:a1b1:7a1b:b045.
    Sep 06 10:32:58 Zooricker.SJLPHI avahi-daemon[1399]: Registering new address record for fdaa:bbcc:ddee:0:31f4:a1b1:7a1b:b045 on wlan0.*.
    Sep 06 10:32:58 Zooricker.SJLPHI avahi-daemon[1399]: Withdrawing address record for fe80::f0a9:754f:95c1:72a5 on wlan0.
    Sep 06 10:32:58 Zooricker.SJLPHI avahi-daemon[1399]: Registering new address record for fdaa:bbcc:ddee:0:793d:7cf:8193:be6c on wlan0.*.
    Sep 06 10:32:58 Zooricker.SJLPHI avahi-daemon[1399]: Registering new address record for 2001:1715:9d91:12c0:ca2d:81f:a57b:2b82 on wlan0.*.
    Sep 06 10:32:58 Zooricker.SJLPHI nm-dispatcher[2609]: req:3 'dhcp6-change' [wlan0]: new request (4 scripts)
    Sep 06 10:32:58 Zooricker.SJLPHI nm-dispatcher[2609]: req:3 'dhcp6-change' [wlan0]: start running ordered scripts...
    Sep 06 10:32:58 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758778.7211] dhcp6 (wlan0): state changed bound -> unknown
    Sep 06 10:32:58 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758778.7327] dhcp6 (wlan0): state changed unknown -> expire
    Sep 06 10:32:58 Zooricker.SJLPHI avahi-daemon[1399]: Registering new address record for 2001:1715:9d91:12c0:793d:7cf:8193:be6c on wlan0.*.
    Sep 06 10:33:00 Zooricker.SJLPHI avahi-daemon[1399]: Registering new address record for 2001:1715:9d91:12c0:21a1:356f:f0bf:5ff2 on wlan0.*.
    Sep 06 10:33:00 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758780.7743] dhcp6 (wlan0):   valid_lft 3600
    Sep 06 10:33:00 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758780.7743] dhcp6 (wlan0):   preferred_lft 3600
    Sep 06 10:33:00 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758780.7744] dhcp6 (wlan0):   address 2001:1715:9d91:12c0:21a1:356f:f0bf:5ff2
    Sep 06 10:33:00 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758780.7745] dhcp6 (wlan0):   nameserver 'fdaa:bbcc:ddee::1'
    Sep 06 10:33:00 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758780.7745] dhcp (wlan0):   domain search 'home.'
    Sep 06 10:33:00 Zooricker.SJLPHI NetworkManager[1675]: <info>  [1567758780.7746] dhcp6 (wlan0): state changed expire -> bound, event ID="a7:d5:32:57|1567758780"
    Sep 06 10:33:00 Zooricker.SJLPHI nm-dispatcher[2609]: req:4 'dhcp6-change' [wlan0]: new request (4 scripts)
    Sep 06 10:33:00 Zooricker.SJLPHI nm-dispatcher[2609]: req:4 'dhcp6-change' [wlan0]: start running ordered scripts...0

  6. #6
    Join Date
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    Switzerland
    Posts
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    Default Re: Wifi extremely slow on WPA2 Personal network after some updates.

    Quote Originally Posted by tsu2 View Post
    A useful first steps to troubleshooting is to open a web browser to a remote site (recommend on the Internet).
    Watch the bottom left of your web browser window, the "status bar" should display your progress by description.

    You should be able to determine various things like...
    - Is it taking a long time to resolve the name?
    - Is your machine finding it hard to find the remote website?
    - Has your browser contacted the remote website and is now waiting for a response?
    etc.

    TSU
    Hello Tsu,
    Using https://forums.opensuse.org/forum.php on firefox for an example. Two items that seem to be taking the longest are:
    looking up static.opensuse.org
    Performing tls handshake...

  7. #7
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    Default Re: Wifi extremely slow on WPA2 Personal network after some updates.

    The kernel switches to lowest power available:

    kernel: wlan0: Limiting TX power to 23 (23 - 0) dBm as advertised by 38:35:fb:16:96:55 (presumably the router). Try to change this.
    AMD Athlon 4850e (2009), openSUSE 13.1, KDE 4, Intel i3-4130 (2014), i7-6700K (2016), i5-8250U (2018), openSUSE Tumbleweed, KDE Plasma 5

  8. #8
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    Default Re: Wifi extremely slow on WPA2 Personal network after some updates.

    I could not disable the power management, afterall, and I am not sure if it may actually fix the issue because I read somewhere that 23~33dBm is the max tx power anyways.

    I also discovered that Yast/Network Settings will freeze if I try to open it while connected to this wifi network.

  9. #9
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    Default Re: Wifi extremely slow on WPA2 Personal network after some updates.

    Quote Originally Posted by SJLPHI View Post
    I could not disable the power management, afterall, and I am not sure if it may actually fix the issue because I read somewhere that 23~33dBm is the max tx power anyways.

    I also discovered that Yast/Network Settings will freeze if I try to open it while connected to this wifi network.
    What about: iw dev wlan0 link
    AMD Athlon 4850e (2009), openSUSE 13.1, KDE 4, Intel i3-4130 (2014), i7-6700K (2016), i5-8250U (2018), openSUSE Tumbleweed, KDE Plasma 5

  10. #10
    Join Date
    Oct 2014
    Location
    Switzerland
    Posts
    415

    Default Re: Wifi extremely slow on WPA2 Personal network after some updates.

    Quote Originally Posted by karlmistelberger View Post
    What about: iw dev wlan0 link
    Code:
    Connected to 38:35:fb:16:96:55 (on wlan1)
            SSID: SJLPHI_5
            freq: 5320
            RX: 22729 bytes (93 packets)
            TX: 20630 bytes (79 packets)
            signal: -41 dBm
            tx bitrate: 866.7 MBit/s VHT-MCS 9 80MHz short GI VHT-NSS 2
    
            bss flags:      short-preamble short-slot-time
            dtim period:    1
            beacon int:     100
    #At work
    Connected to 5c:5a:c7:14:b6:cb (on wlan1)
            SSID: uzh-5GHz
            freq: 5260
            RX: 157496 bytes (871 packets)
            TX: 19954 bytes (133 packets)
            signal: -66 dBm
            tx bitrate: 300.0 MBit/s VHT-MCS 7 40MHz short GI VHT-NSS 2
    
            bss flags:      short-slot-time
            dtim period:    1
            beacon int:     100
    
    

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