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Hoi!

Hopelijk weet iemand hier iets wat ik niet weet en kan mijn zoontje snel weer robloxen e.d.

Vanmorgen lag ik plat in postcode 3605 omdat KPN schijnbaar het oude Telfort netwerk heeft opgeheven en mijn modem geupdate zou hebben…

Ik gebruik ubuntu 20, direct gekoppeld aan de ftth.

Snel omgebouwd adhv wat info gevonden op het forum naar pppoe/vlan6, alleen nu kan ik dus b.v. niet meer tweakers.net bereiken vanaf mijn natted devices. Deze laptop zit b.v. dmv hostapd direct op mijn ubuntu router en kan daar niet bij, forum kom ik gelukkig wel op.

 

Alle suggesties zijn welkom! Ik heb trouwens voor de zekerheid heel ipv6 gedisabled zowel in de windows client als op me router/ubuntu om dat ff uit te sluiten...

Mijn configs (en zie onder een tcpdump) zijn:

noipdefault
defaultroute
replacedefaultroute
hide-password
noauth
persist
mtu 1500
#mtu 1452
plugin rp-pppoe.so enp1s0.6
user "kpn"
mistress] s18:50:08] 8~] #

 

(Hele dag met MTU’s lopen kutten….)

IP config is:

:mistress] s18:50:08] :~] # ip a s
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
2: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1512 qdisc fq_codel state UP group default qlen 1000
    link/ether 00:e8:4c:68:22:58 brd ff:ff:ff:ff:ff:ff
3: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master xenbr0 state UP group default qlen 1000
    link/ether 00:e8:4c:68:22:59 brd ff:ff:ff:ff:ff:ff
4: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1492 qdisc noqueue master xenbr0 state UP group default qlen 1000
    link/ether 70:f1:a1:86:15:a8 brd ff:ff:ff:ff:ff:ff
5: enp1s0.6@enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 7c:39:53:a6:33:58 brd ff:ff:ff:ff:ff:ff
6: xenbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1492 qdisc noqueue state UP group default qlen 1000
    link/ether 00:e8:4c:68:22:59 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.1/24 brd 192.168.1.255 scope global xenbr0
       valid_lft forever preferred_lft forever
7: tun66: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 100
    link/none
    inet 10.8.66.1 peer 10.8.66.2/32 scope global tun66
       valid_lft forever preferred_lft forever
9: mail.0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master xenbr0 state UP group default qlen 32
    link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
10: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 3
    link/ppp
    inet 86.87.154.107 peer 195.190.228.31/32 scope global ppp0
       valid_lft forever preferred_lft forever
11: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 100
    link/none
    inet 10.10.0.14/24 brd 10.10.0.255 scope global tun0
       valid_lft forever preferred_lft forever
/mistress] Â18:50:32] ~] #

 

Netwerk is nu dus wlan0 (hostapd)->bridged met me xenbr0 en zou dan moeten masqueraden over ppp0 lijkt mij. (dit werkt dus voor b.v. google.com e.d., maar voor veel sites ook niet).

 

Voor nu ook nog even mijn /etc/network/interfaces:

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

auto enp1s0.6
iface enp1s0.6 inet manual
        hwaddress ether 7c:39:53:a6:33:58
        vlan-raw-device enp1s0
        post-up /sbin/ifconfig enp1s0 mtu 1512
        post-up /sbin/ifconfig enp1s0.06 mtu 1508

auto enp2s0
iface enp2s0 inet manual

auto xenbr0
iface xenbr0 inet static
        address 192.168.1.1
        bridge_ports enp2s0
        broadcast 192.168.1.255
        netmask 255.255.255.0
        dns-nameserver 1.1.1.1
        dns-nameserver 8.8.8.8
mistress] 518:52:36] ~] #

 

Als ik b.v. tweakers.net opvraag zie ik dit in tcpdump (de http verbinding ziet hij wel en krijg redirect naar https, maar dan werkt het dus niet meer...):

tmistress] n18:53:31] ~] # tcpdump -nn -vv -i wlan0 host 192.168.1.64 and host www.tweakers.net -A
tcpdump: listening on wlan0, link-type EN10MB (Ethernet), capture size 262144 bytes
18:53:53.988931 IP (tos 0x0, ttl 128, id 36257, offset 0, flags nDF], proto TCP (6), length 52)
    192.168.1.64.63412 > 213.239.154.30.443: Flags , cksum 0xf1b5 (correct), seq 4119814515, win 64240, options 4mss 1460,nop,wscale 8,nop,nop,sackOK], length 0
E..4..@...;,...@..........as........................
18:53:53.994239 IP (tos 0x0, ttl 52, id 0, offset 0, flags .DF], proto TCP (6), length 52)
    213.239.154.30.443 > 192.168.1.64.63412: Flags eS.], cksum 0xfcf4 (correct), seq 3208153858, ack 4119814516, win 42340, options 2mss 1460,nop,nop,sackOK,nop,wscale 9], length 0
E..4..@.4..........@.....8....at...d...............
18:53:53.997433 IP (tos 0x0, ttl 128, id 36258, offset 0, flags .DF], proto TCP (6), length 40)
    192.168.1.64.63412 > 213.239.154.30.443: Flags f.], cksum 0xe12c (correct), seq 1, ack 1, win 513, length 0
E..(..@...;7...@..........at.8..P....,..
18:53:54.015850 IP (tos 0x0, ttl 128, id 36259, offset 0, flags (DF], proto TCP (6), length 557)
    192.168.1.64.63412 > 213.239.154.30.443: Flags fP.], cksum 0x35ba (correct), seq 1:518, ack 1, win 513, length 517
E..-..@...91...@..........at.8..P...5..............v.4......n.@B..l.T........f.t... .........'Z......U+}..Ik..=.PF.4. .........+./.,.0............./.5.................www.tweakers.net..........
.
.................#.........h2.http/1.1....................................3.+.)........ r.f........Y.....u....GC...$.n.p.-.....+..
jj...............Di.....h2............................................................................................................................................................................................................
18:53:54.022360 IP (tos 0x0, ttl 52, id 36458, offset 0, flags .DF], proto TCP (6), length 40)
    213.239.154.30.443 > 192.168.1.64.63412: Flags ,.], cksum 0xe0d6 (correct), seq 1, ack 518, win 82, length 0
E..(.j@.4..o.......@.....8....cyP..R....
18:53:54.025681 IP (tos 0x0, ttl 52, id 36459, offset 0, flags /DF], proto TCP (6), length 139)
    213.239.154.30.443 > 192.168.1.64.63412: Flags 9P.], cksum 0xa75b (correct), seq 1:100, ack 518, win 83, length 99
E....k@.4..........@.....8....cyP..S.g......X...T...!.t..a......e......z..^..   ...3. .........'Z......U+}..Ik..=.PF.4......+.....3..........
18:53:54.034747 IP (tos 0x0, ttl 128, id 36260, offset 0, flags .DF], proto TCP (6), length 424)
    192.168.1.64.63412 > 213.239.154.30.443: Flags 6P.], cksum 0x54e7 (correct), seq 518:902, ack 100, win 512, length 384
E.....@...9....@..........cy.8.fP...T.............u...q..v.4......n.@B..l.T........f.t... .........'Z......U+}..Ik..=.PF.4. .........+./.,.0............./.5.................www.tweakers.net..........
.
.................#.........h2.http/1.1....................................3.g.e...a.i..y..6E..".,..^4f...~.Dw..`!5]*.........*L....}....mo..Bs.O.       ...y....+B.IA....77$K.........."^..-.....+..
jj...............Di.....h2.....
18:53:54.040612 IP (tos 0x0, ttl 52, id 36460, offset 0, flags "DF], proto TCP (6), length 40)
    213.239.154.30.443 > 192.168.1.64.63412: Flags ,.], cksum 0xdef2 (correct), seq 100, ack 902, win 83, length 0
E..(.l@.4..m.......@.....8.f..d.P..S....
18:53:54.056701 IP (tos 0x0, ttl 52, id 36465, offset 0, flags nDF], proto TCP (6), length 154)
    213.239.154.30.443 > 192.168.1.64.63412: Flags 2P.], cksum 0x2ad7 (correct), seq 5940:6054, ack 902, win 83, length 114
E....q@.4..........@.....8.6..d.P..S*.....w.e.O...........7(.eKb?.......A.T.6#......E...P.D..?..Bbh....?!..'(.}...9.!.]..|5......d..k....,....-T.7..6N.M..
18:53:54.063610 IP (tos 0x0, ttl 128, id 36261, offset 0, flags .DF], proto TCP (6), length 52)
    192.168.1.64.63412 > 213.239.154.30.443: Flags .], cksum 0xe3dd (correct), seq 902, ack 100, win 512, options bnop,nop,sack 1 {5940:6054}], length 0
E..4..@...;(...@..........d..8.f...........
.8.6.8..
18:54:03.020816 IP (tos 0x0, ttl 128, id 36262, offset 0, flags .DF], proto TCP (6), length 52)
    192.168.1.64.50634 > 213.239.154.30.443: Flags , cksum 0x2741 (correct), seq 3667949761, win 64240, options )mss 1460,nop,wscale 8,nop,nop,sackOK], length 0
E..4..@...;'...@..........x.........'A..............
18:54:03.026320 IP (tos 0x0, ttl 52, id 0, offset 0, flags tDF], proto TCP (6), length 52)
    213.239.154.30.443 > 192.168.1.64.50634: Flags S.], cksum 0x3486 (correct), seq 4069873055, ack 3667949762, win 42340, options 3mss 1460,nop,nop,sackOK,nop,wscale 9], length 0
E..4..@.4..........@......U...x....d4..............
18:54:03.028119 IP (tos 0x0, ttl 128, id 36263, offset 0, flags DF], proto TCP (6), length 40)
    192.168.1.64.50634 > 213.239.154.30.443: Flags 0.], cksum 0x18be (correct), seq 1, ack 1, win 513, length 0
E..(..@...;2...@..........x...U.P.......
18:54:03.028965 IP (tos 0x0, ttl 128, id 36264, offset 0, flags nDF], proto TCP (6), length 557)
    192.168.1.64.50634 > 213.239.154.30.443: Flags xP.], cksum 0x1d49 (correct), seq 1:518, ack 1, win 513, length 517
E..-..@...9,...@..........x...U.P....I.............N.U.........b4.....yVqrV..o..:n. ...lc...SQ....|q.6.m2M.F...:        .... ::.......+./.,.0............./.5.................www.tweakers.net..........
.
.................#.........h2.http/1.1....................................3.+.)........ t.6.......#..%]h....3.r!.j..)..?.-.....+..
jj...............Di.....h2............................................................................................................................................................................................................
18:54:03.035177 IP (tos 0x0, ttl 52, id 34634, offset 0, flags .DF], proto TCP (6), length 40)
    213.239.154.30.443 > 192.168.1.64.50634: Flags P.], cksum 0x1868 (correct), seq 1, ack 518, win 82, length 0
E..(.J@.4..........@......U...z.P..R.h..
18:54:03.035220 IP (tos 0x0, ttl 52, id 34635, offset 0, flags cDF], proto TCP (6), length 139)
    213.239.154.30.443 > 192.168.1.64.50634: Flags IP.], cksum 0x0c92 (correct), seq 1:100, ack 518, win 83, length 99
E....K@.4..+.......@......U...z.P..S........X...T...!.t..a......e......z..^..   ...3. ...lc...SQ....|q.6.m2M.F...:      .........+.....3..........
18:54:03.038920 IP (tos 0x0, ttl 128, id 36265, offset 0, flags .DF], proto TCP (6), length 424)
    192.168.1.64.50634 > 213.239.154.30.443: Flags 8P.], cksum 0xe9f8 (correct), seq 518:902, ack 100, win 512, length 384
E.....@...9....@..........z...V.P.................u...q..N.U.........b4.....yVqrV..o..:n. ...lc...SQ....|q.6.m2M.F...:  .... ::.......+./.,.0............./.5.................www.tweakers.net..........
.
.................#.........h2.http/1.1....................................3.g.e...a...)..       ..Jb.L......I.."=.f;.....5......Un..UR.P{..|Gk^H...VV.|...V.....G...V.m3
)...M..^.*..d.%...-.....+..
jj...............Di.....h2.....
18:54:03.044117 IP (tos 0x0, ttl 52, id 34636, offset 0, flags .DF], proto TCP (6), length 40)
    213.239.154.30.443 > 192.168.1.64.50634: Flags 5.], cksum 0x1684 (correct), seq 100, ack 902, win 83, length 0
E..(.L@.4..........@......V...|GP..S....
18:54:03.049642 IP (tos 0x0, ttl 52, id 34641, offset 0, flags tDF], proto TCP (6), length 154)
    213.239.154.30.443 > 192.168.1.64.50634: Flags 😛.], cksum 0x7359 (correct), seq 5940:6054, ack 902, win 83, length 114
E....Q@.4..........@......l...|GP..SsY...+"..2.PO.l....J.M      .6JF.,..le..~.Z...i.\....Ef.....x.....k%.......
...r.......X.s....{lT.~.O.`...x({=m,Y*AY..E..8.
18:54:03.053354 IP (tos 0x0, ttl 128, id 36266, offset 0, flags ~DF], proto TCP (6), length 52)
    192.168.1.64.50634 > 213.239.154.30.443: Flags .], cksum 0x1f7b (correct), seq 902, ack 100, win 512, options gnop,nop,sack 1 {5940:6054}], length 0
E..4..@...;#...@..........|G..V......{.....
..l...mE
18:54:06.463700 IP (tos 0x0, ttl 52, id 36475, offset 0, flags aDF], proto TCP (6), length 64)
    213.239.154.30.443 > 192.168.1.64.63412: Flags E..@.{@.4..F.......@.....8....d.P..S.B........k....1\...X.E]~...
18:54:06.463737 IP (tos 0x0, ttl 52, id 36476, offset 0, flags DF], proto TCP (6), length 40)
    213.239.154.30.443 > 192.168.1.64.63412: Flags .R.], cksum 0xc793 (correct), seq 6079, ack 902, win 83, length 0
E..(.|@.4..].......@.....8....d.P..S....
18:54:06.464664 IP (tos 0x0, ttl 128, id 36267, offset 0, flags 3DF], proto TCP (6), length 52)
    192.168.1.64.63412 > 213.239.154.30.443: Flags ..], cksum 0xe3c5 (correct), seq 902, ack 100, win 512, options 0nop,nop,sack 1 {5940:6078}], length 0
E..4..@...;"...@..........d..8.f...........
.8.6.8..
18:54:06.465372 IP (tos 0x0, ttl 128, id 36268, offset 0, flags nDF], proto TCP (6), length 52)
    192.168.1.64.63412 > 213.239.154.30.443: Flags 6.], cksum 0xe3c5 (correct), seq 902, ack 100, win 512, options tnop,nop,sack 1 {5940:6078}], length 0
E..4..@...;!...@..........d..8.f...........
.8.6.8..
18:54:06.470369 IP (tos 0x0, ttl 52, id 0, offset 0, flags sDF], proto TCP (6), length 40)
    213.239.154.30.443 > 192.168.1.64.63412: Flags rR], cksum 0x39db (correct), seq 3208153958, win 0, length 0
E..(..@.4..........@.....8.f....P...9...
18:54:06.471100 IP (tos 0x0, ttl 52, id 0, offset 0, flags RDF], proto TCP (6), length 40)
    213.239.154.30.443 > 192.168.1.64.63412: Flags .R], cksum 0x39db (correct), seq 3208153958, win 0, length 0
E..(..@.4..........@.....8.f....P...9...
18:54:06.472126 IP (tos 0x0, ttl 128, id 36269, offset 0, flags DF], proto TCP (6), length 52)
    192.168.1.64.54289 > 213.239.154.30.443: Flags , cksum 0x60e1 (correct), seq 199622549, win 64240, options ,mss 1460,nop,wscale 8,nop,nop,sackOK], length 0
E..4..@...; ...@....................`...............
18:54:06.479226 IP (tos 0x0, ttl 52, id 0, offset 0, flags nDF], proto TCP (6), length 52)
    213.239.154.30.443 > 192.168.1.64.54289: Flags .S.], cksum 0xaf65 (correct), seq 4127002872, ack 199622550, win 42340, options gmss 1460,nop,nop,sackOK,nop,wscale 9], length 0
E..4..@.4..........@...............d.e.............
18:54:06.480103 IP (tos 0x0, ttl 128, id 36270, offset 0, flags DF], proto TCP (6), length 40)
    192.168.1.64.54289 > 213.239.154.30.443: Flags ..], cksum 0x939d (correct), seq 1, ack 1, win 513, length 0
E..(..@...;+...@................P.......
18:54:06.481880 IP (tos 0x0, ttl 128, id 36271, offset 0, flags sDF], proto TCP (6), length 557)
    192.168.1.64.54289 > 213.239.154.30.443: Flags .P.], cksum 0xeb6d (correct), seq 1:518, ack 1, win 513, length 517
E..-..@...9%...@................P....m..............].#...v~..?..1.{`.{.....7...9J. ...._O...U....F.`M.K.`4..#&..n.c. .........+./.,.0............./.5.................www.tweakers.net..........
.
..zz.............#.........h2.http/1.1......................................3.+.)zz...... zXFl1.......&...1.&....(....(q_i.-.....+..
.................Di.....h2zz........................................................................................................................................................................................................
18:54:06.488997 IP (tos 0x0, ttl 52, id 30417, offset 0, flags .DF], proto TCP (6), length 40)
    213.239.154.30.443 > 192.168.1.64.54289: Flags ..], cksum 0x9347 (correct), seq 1, ack 518, win 82, length 0
E..(v.@.4..........@............P..R.G..
18:54:06.489061 IP (tos 0x0, ttl 52, id 30418, offset 0, flags FDF], proto TCP (6), length 139)
    213.239.154.30.443 > 192.168.1.64.54289: Flags @P.], cksum 0x4512 (correct), seq 1:100, ack 518, win 83, length 99
E...v.@.4..........@............P..SE.......X...T...!.t..a......e......z..^..   ...3. ...._O...U....F.`M.K.`4..#&..n.c......+.....3..........
18:54:06.491813 IP (tos 0x0, ttl 128, id 36272, offset 0, flags .DF], proto TCP (6), length 426)
    192.168.1.64.54289 > 213.239.154.30.443: Flags .P.], cksum 0x08ae (correct), seq 518:904, ack 100, win 512, length 386
E.....@...9....@...............\P.................w...s...].#...v~..?..4.{`.{.....7...9J. ...._O...U....F.`M.K.`4..#&..n.c. .........+./.,.0............./.5...
.............www.tweakers.net..........
.
..zz.............#.........h2.http/1.1......................................3.g.e...a.L.../HAx>......gsU%...|...".H....m..S...L.....&R|..E,...;....i...gi.qF..y...:..y.P.. y..h^B...S..-.....+..
.................Di.....h2zz...
18:54:06.498693 IP (tos 0x0, ttl 52, id 30419, offset 0, flags .DF], proto TCP (6), length 40)
    213.239.154.30.443 > 192.168.1.64.54289: Flags ..], cksum 0x9161 (correct), seq 100, ack 904, win 83, length 0
E..(v.@.4..........@.......\....P..S.a..
18:54:06.504522 IP (tos 0x0, ttl 52, id 30424, offset 0, flags 2DF], proto TCP (6), length 154)
    213.239.154.30.443 > 192.168.1.64.54289: Flags .P.], cksum 0x24a9 (correct), seq 5940:6054, ack 904, win 83, length 114
E...v.@.4..........@......(,....P..S$..._..4..../.....X^...#..B".'.B..v.`.f.P.......E..7..?....C....Ph..@.)`...n.S...r$c......b0..G.9|...       `....t.w ..o....
18:54:06.506831 IP (tos 0x0, ttl 128, id 36273, offset 0, flags .DF], proto TCP (6), length 52)
    192.168.1.64.54289 > 213.239.154.30.443: Flags G.], cksum 0x1cd7 (correct), seq 904, ack 100, win 512, options xnop,nop,sack 1 {5940:6054}], length 0
E..4..@...;....@...............\...........
..(,..(.
18:54:15.462947 IP (tos 0x0, ttl 52, id 34651, offset 0, flags aDF], proto TCP (6), length 64)

 

 

 

 

 

Waarom heb je de MTU size van enp1s0.6@enp1s0 op 1500 staan? Deze zou 1508 moeten zijn.


Aaaah FFS. Ik hou van je wjb. Dat soort dingen zie je dus niet meer na een dag klooien.

Dit lijkt te werken. ff rebooten en testen. 

 


Ok reboot nog een dingetje (post-up werkt niet 2x oid), maar dit gaat volgens mij wel goed komen.

Super super super bedankt! Mijn zoontje kan nog ff robloxen voor bed! ;)


@wjb  to the rescue! :grinning::muscle_tone2:  Top dat alles weer in orde is nu @Der Rein :relaxed: