ho preso un lenovo idea pad 110 ast 15 con scheda wireless Realtek Semiconductor Co., Ltd. RTL8821AE
ho installato ubuntu 16.04 il pc va benissimo , ha il solo problema della rete wifi.
mi spiego meglio, tramite cavo il collegamento va benissimo, ma con il wifi , escono dei problemi.
all avvio si collega regolarmente e posso navigare tranquillamente ma dopo poco , pur rimanendo collegato , on carica piu le pagine , devo scollegarmi dalla rete e ricollegarmi, ma durante questa procedura si blocca un po il tutto , cioè, l icona del netwokmanager non si svuota subito , pur avendo cliccato scollegati , rimane l icona del collegamento attivo , per intenderci quella con tutti gli archetti.
dopo un po si vuota , come quando si è scollehgata, .
se provo a ricollegarmi e seleziono la rete , dopo qualche secondo parte l animazione del collegamento e si collega per un po di tempo e poi ri fa da capo e a volte quando provo a ricollegarmi il network nonn mi fa vedere piu la rete.
ho seguito una valanga di quide e discussioni , ho provato anche wicd , pero se installo wicd , si collega al router ma non mi fa caricare le pagine,
cioè, se nella barra degli indirizzi da l ip del router mi apre la pagina , ma se do un indirizzo di un sito mi da l errore di connessione mancante.
ho dato questi comandi
Codice: Seleziona tutto
sudo lshw -c network
*-network
description: Wireless interface
product: RTL8821AE 802.11ac PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0
version: 00
serial: c8:3d:d4:8f:cb:4b
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8821ae driverversion=4.10.0-40-generic firmware=N/A ip=192.168.1.3 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:39 ioport:2000(size=256) memory:f0c00000-f0c03fff
*-network
description: Ethernet interface
product: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: enp3s0
version: 07
serial: c8:5b:76:eb:4d:89
size: 10Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8106e-1_0.0.1 06/29/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:32 ioport:1000(size=256) memory:f0b00000-f0b00fff memory:f0800000-f0803fff
lspci -knn | grep -A 2 -i net
Codice: Seleziona tutto
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821AE 802.11ac PCIe Wireless Network Adapter [10ec:8821]
Subsystem: Lenovo RTL8821AE 802.11ac PCIe Wireless Network Adapter [17aa:a814]
Kernel driver in use: rtl8821ae
Kernel modules: rtl8821ae
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
Subsystem: Lenovo RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [17aa:3845]
Kernel driver in use: r8169
Kernel modules: r8169
Codice: Seleziona tutto
enp3s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether c8:5b:76:eb:4d:89 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Loopback locale)
RX packets 1004 bytes 81492 (81.4 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1004 bytes 81492 (81.4 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.3 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::eb83:f0a2:5287:3437 prefixlen 64 scopeid 0x20<link>
ether c8:3d:d4:8f:cb:4b txqueuelen 1000 (Ethernet)
RX packets 1200 bytes 485702 (485.7 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1351 bytes 266074 (266.0 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Codice: Seleziona tutto
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
4: phy1: Wireless LAN
Soft blocked: no
Hard blocked: no
Codice: Seleziona tutto
Usage: iw [options] command
Options:
--debug enable netlink debugging
--version show version (4.9)
Commands:
help [command]
Print usage for all or a specific command, e.g.
"help wowlan" or "help wowlan enable".
event [-t|-r] [-f]
Monitor events from the kernel.
-t - print timestamp
-r - print relative timstamp
-f - print full frame for auth/assoc etc.
features
commands
list all known commands and their decimal & hex value
phy
list
List all wireless devices and their capabilities.
phy <phyname> info
Show capabilities for the specified wireless device.
phy <phyname> channels
Show available channels.
dev
List all network interfaces for wireless hardware.
dev <devname> info
Show information for this interface.
dev <devname> del
Remove this virtual interface
dev <devname> interface add <name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>]
phy <phyname> interface add <name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>]
Add a new virtual interface with the given configuration.
Valid interface types are: managed, ibss, monitor, mesh, wds.
The flags are only used for monitor interfaces, valid flags are:
none: no special flags
fcsfail: show frames with FCS errors
control: show control frames
otherbss: show frames from other BSSes
cook: use cooked mode
active: use active mode (ACK incoming unicast packets)
mumimo-groupid <GROUP_ID>: use MUMIMO according to a group id
mumimo-follow-mac <MAC_ADDRESS>: use MUMIMO according to a MAC address
The mesh_id is used only for mesh mode.
dev <devname> ibss join <SSID> <freq in MHz> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz] [fixed-freq] [<fixed bssid>] [beacon-interval <TU>] [basic-rates <rate in Mbps,rate2,...>] [mcast-rate <rate in Mbps>] [key d:0:abcde]
Join the IBSS cell with the given SSID, if it doesn't exist create
it on the given frequency. When fixed frequency is requested, don't
join/create a cell on a different frequency. When a fixed BSSID is
requested use that BSSID and do not adopt another cell's BSSID even
if it has higher TSF and the same SSID. If an IBSS is created, create
it with the specified basic-rates, multicast-rate and beacon-interval.
dev <devname> ibss leave
Leave the current IBSS cell.
dev <devname> station dump [-v]
List all stations known, e.g. the AP on managed interfaces
dev <devname> station set <MAC address> mesh_power_mode <active|light|deep>
Set link-specific mesh power mode for this station
dev <devname> station set <MAC address> vlan <ifindex>
Set an AP VLAN for this station.
dev <devname> station set <MAC address> plink_action <open|block>
Set mesh peer link action for this station (peer).
dev <devname> station del <MAC address> [subtype <subtype>] [reason-code <code>]
Remove the given station entry (use with caution!)
Example subtype values: 0xA (disassociation), 0xC (deauthentication)
dev <devname> station get <MAC address>
Get information for a specific station.
dev <devname> survey dump
List all gathered channel survey data
dev <devname> ocb leave
Leave the OCB mode network.
dev <devname> ocb join <freq in MHz> <5MHz|10MHz>
Join the OCB mode network.
dev <devname> mesh leave
Leave a mesh.
dev <devname> mesh join <mesh ID> [[freq <freq in MHz> <NOHT|HT20|HT40+|HT40-|80MHz>] [basic-rates <rate in Mbps,rate2,...>]], [mcast-rate <rate in Mbps>] [beacon-interval <time in TUs>] [dtim-period <value>] [vendor_sync on|off] [<param>=<value>]*
Join a mesh with the given mesh ID with frequency, basic-rates,
mcast-rate and mesh parameters. Basic-rates are applied only if
frequency is provided.
dev <devname> mpath dump
List known mesh paths.
dev <devname> mpath set <destination MAC address> next_hop <next hop MAC address>
Set an existing mesh path's next hop.
dev <devname> mpath new <destination MAC address> next_hop <next hop MAC address>
Create a new mesh path (instead of relying on automatic discovery).
dev <devname> mpath del <MAC address>
Remove the mesh path to the given node.
dev <devname> mpath get <MAC address>
Get information on mesh path to the given node.
dev <devname> mpp dump
List known mesh proxy paths.
dev <devname> mpp get <MAC address>
Get information on mesh proxy path to the given node.
dev <devname> scan [-u] [freq <freq>*] [ies <hex as 00:11:..>] [meshid <meshid>] [lowpri,flush,ap-force] [randomise[=<addr>/<mask>]] [ssid <ssid>*|passive]
Scan on the given frequencies and probe for the given SSIDs
(or wildcard if not given) unless passive scanning is requested.
If -u is specified print unknown data in the scan results.
Specified (vendor) IEs must be well-formed.
dev <devname> scan sched_stop
Stop an ongoing scheduled scan.
dev <devname> scan sched_start [interval <in_msecs> | scan_plans [<interval_secs:iterations>*] <interval_secs>] [delay <in_secs>] [freqs <freq>+] [matches [ssid <ssid>]+]] [active [ssid <ssid>]+|passive] [randomise[=<addr>/<mask>]]
Start a scheduled scan at the specified interval on the given frequencies
with probing for the given SSIDs (or wildcard if not given) unless passive
scanning is requested. If matches are specified, only matching results
will be returned.
dev <devname> scan abort
Abort ongoing scan
dev <devname> scan trigger [freq <freq>*] [ies <hex as 00:11:..>] [meshid <meshid>] [lowpri,flush,ap-force] [randomise[=<addr>/<mask>]] [ssid <ssid>*|passive]
Trigger a scan on the given frequencies with probing for the given
SSIDs (or wildcard if not given) unless passive scanning is requested.
dev <devname> scan dump [-u]
Dump the current scan results. If -u is specified, print unknown
data in scan results.
phy <phyname> reg get
Print out the devices' current regulatory domain information.
reg get
Print out the kernel's current regulatory domain information.
reg set <ISO/IEC 3166-1 alpha2>
Notify the kernel about the current regulatory domain.
dev <devname> auth <SSID> <bssid> <type:open|shared> <freq in MHz> [key 0:abcde d:1:6162636465]
Authenticate with the given network.
dev <devname> connect [-w] <SSID> [<freq in MHz>] [<bssid>] [key 0:abcde d:1:6162636465]
Join the network with the given SSID (and frequency, BSSID).
With -w, wait for the connect to finish or fail.
dev <devname> disconnect
Disconnect from the current network.
dev <devname> link
Print information about the current link, if any.
dev <devname> offchannel <freq> <duration>
Leave operating channel and go to the given channel for a while.
dev <devname> cqm rssi <threshold|off> [<hysteresis>]
Set connection quality monitor RSSI threshold.
phy <phyname> wowlan show
Show WoWLAN status.
phy <phyname> wowlan disable
Disable WoWLAN.
phy <phyname> wowlan enable [any] [disconnect] [magic-packet] [gtk-rekey-failure] [eap-identity-request] [4way-handshake] [rfkill-release] [net-detect [interval <in_msecs> | scan_plans [<interval_secs:iterations>*] <interval_secs>] [delay <in_secs>] [freqs <freq>+] [matches [ssid <ssid>]+]] [active [ssid <ssid>]+|passive] [randomise[=<addr>/<mask>]]] [tcp <config-file>] [patterns [offset1+]<pattern1> ...]
Enable WoWLAN with the given triggers.
Each pattern is given as a bytestring with '-' in places where any byte
may be present, e.g. 00:11:22:-:44 will match 00:11:22:33:44 and
00:11:22:33:ff:44 etc.
Offset and pattern should be separated by '+', e.g. 18+43:34:00:12 will match '43:34:00:12' after 18 bytes of offset in Rx packet.
The TCP configuration file contains:
source=ip[:port]
dest=ip:port@mac
data=<hex data packet>
data.interval=seconds
[wake=<hex packet with masked out bytes indicated by '-'>]
[data.seq=len,offset[,start]]
[data.tok=len,offset,<token stream>]
Net-detect configuration example:
iw phy0 wowlan enable net-detect interval 5000 delay 30 freqs 2412 2422 matches ssid foo ssid bar
phy <phyname> coalesce show
Show coalesce status.
phy <phyname> coalesce disable
Disable coalesce.
phy <phyname> coalesce enable <config-file>
Enable coalesce with given configuration.
The configuration file contains coalesce rules:
delay=<delay>
condition=<condition>
patterns=<[offset1+]<pattern1>,<[offset2+]<pattern2>,...>
delay=<delay>
condition=<condition>
patterns=<[offset1+]<pattern1>,<[offset2+]<pattern2>,...>
...
delay: maximum coalescing delay in msec.
condition: 1/0 i.e. 'not match'/'match' the patterns
patterns: each pattern is given as a bytestring with '-' in
places where any byte may be present, e.g. 00:11:22:-:44 will
match 00:11:22:33:44 and 00:11:22:33:ff:44 etc. Offset and
pattern should be separated by '+', e.g. 18+43:34:00:12 will
match '43:34:00:12' after 18 bytes of offset in Rx packet.
dev <devname> roc start <freq> <time in ms>
wdev <idx> p2p stop
wdev <idx> p2p start
dev <devname> vendor recvbin <oui> <subcmd> <filename|-|hex data>
dev <devname> vendor recv <oui> <subcmd> <filename|-|hex data>
dev <devname> vendor send <oui> <subcmd> <filename|-|hex data>
phy <phyname> set antenna <bitmap> | all | <tx bitmap> <rx bitmap>
Set a bitmap of allowed antennas to use for TX and RX.
The driver may reject antenna configurations it cannot support.
dev <devname> set txpower <auto|fixed|limit> [<tx power in mBm>]
Specify transmit power level and setting type.
phy <phyname> set txpower <auto|fixed|limit> [<tx power in mBm>]
Specify transmit power level and setting type.
phy <phyname> set distance <auto|distance>
Enable ACK timeout estimation algorithm (dynack) or set appropriate
coverage class for given link distance in meters.
To disable dynack set valid value for coverage class.
Valid values: 0 - 114750
phy <phyname> set coverage <coverage class>
Set coverage class (1 for every 3 usec of air propagation time).
Valid values: 0 - 255.
phy <phyname> set netns { <pid> | name <nsname> }
Put this wireless device into a different network namespace:
<pid> - change network namespace by process id
<nsname> - change network namespace by name from /run/netns
or by absolute path (man ip-netns)
phy <phyname> set retry [short <limit>] [long <limit>]
Set retry limit.
phy <phyname> set rts <rts threshold|off>
Set rts threshold.
phy <phyname> set frag <fragmentation threshold|off>
Set fragmentation threshold.
dev <devname> set channel <channel> [HT20|HT40+|HT40-]
phy <phyname> set channel <channel> [HT20|HT40+|HT40-]
dev <devname> set freq <freq> [HT20|HT40+|HT40-]
dev <devname> set freq <control freq> [20|40|80|80+80|160] [<center freq 1>] [<center freq 2>]
phy <phyname> set freq <freq> [HT20|HT40+|HT40-]
Set frequency/channel the hardware is using, including HT
configuration.
phy <phyname> set name <new name>
Rename this wireless device.
dev <devname> set mcast_rate <rate in Mbps>
Set the multicast bitrate.
dev <devname> set peer <MAC address>
Set interface WDS peer.
dev <devname> set noack_map <map>
Set the NoAck map for the TIDs. (0x0009 = BE, 0x0006 = BK, 0x0030 = VI, 0x00C0 = VO)
dev <devname> set 4addr <on|off>
Set interface 4addr (WDS) mode.
dev <devname> set type <type>
Set interface type/mode.
Valid interface types are: managed, ibss, monitor, mesh, wds.
dev <devname> set meshid <meshid>
dev <devname> set monitor <flag>*
Set monitor flags. Valid flags are:
none: no special flags
fcsfail: show frames with FCS errors
control: show control frames
otherbss: show frames from other BSSes
cook: use cooked mode
active: use active mode (ACK incoming unicast packets)
mumimo-groupid <GROUP_ID>: use MUMIMO according to a group id
mumimo-follow-mac <MAC_ADDRESS>: use MUMIMO according to a MAC address
dev <devname> set mesh_param <param>=<value> [<param>=<value>]*
Set mesh parameter (run command without any to see available ones).
dev <devname> set power_save <on|off>
Set power save state to on or off.
dev <devname> set bitrates [legacy-<2.4|5> <legacy rate in Mbps>*] [ht-mcs-<2.4|5> <MCS index>*] [vht-mcs-<2.4|5> <NSS:MCSx,MCSy... | NSS:MCSx-MCSy>*] [sgi-2.4|lgi-2.4] [sgi-5|lgi-5]
Sets up the specified rate masks.
Not passing any arguments would clear the existing mask (if any).
dev <devname> get mesh_param [<param>]
Retrieve mesh parameter (run command without any to see available ones).
dev <devname> get power_save <param>
Retrieve power save state.
Commands that use the netdev ('dev') can also be given the
'wdev' instead to identify the device.
You can omit the 'phy' or 'dev' if the identification is unique,
e.g. "iw wlan0 info" or "iw phy0 info". (Don't when scripting.)
Do NOT screenscrape this tool, we don't consider its output stable.
