Had to do a power cycle on my Xfinity modem/router a few days ago, and have had a horrible connection on my laptop since then. The other devices in my house seem to work fine.
I changed the security to TKIP only, commented out dns=dnsmasq, added google's servers to the IPv4 tab on this particular connection, but I've only seen a mild improvement. Sometimes things load fine, sometimes not at all.
I'm running the 12.10 Gnome Remix. I'm including some stuff I've seen asked for in other threads.
Code:
cat /etc/resolv.conf:
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 75.75.75.75
nameserver 75.75.76.76
nameserver 8.8.8.8
nameserver 8.8.4.4
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.1.1
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.1.1
Code:
grep dns /etc/NetworkManager/NetworkManager.conf :
#dns=dnsmasq
Code:
cat /var/run/nm-dns-dnsmasq.conf :
cat: /var/run/nm-dns-dnsmasq.conf: No such file or directory
Code:
nslookup ubuntu.com:
Server: 75.75.76.76
Address: 75.75.76.76#53
Non-authoritative answer:
Name: ubuntu.com
Address: 91.189.94.156
Code:
dig google.com:
; <<>> DiG 9.8.1-P1 <<>> google.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4240
;; flags: qr rd ra; QUERY: 1, ANSWER: 11, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;google.com. IN A
;; ANSWER SECTION:
google.com. 222 IN A 74.125.224.135
google.com. 222 IN A 74.125.224.133
google.com. 222 IN A 74.125.224.129
google.com. 222 IN A 74.125.224.132
google.com. 222 IN A 74.125.224.142
google.com. 222 IN A 74.125.224.128
google.com. 222 IN A 74.125.224.131
google.com. 222 IN A 74.125.224.130
google.com. 222 IN A 74.125.224.134
google.com. 222 IN A 74.125.224.136
google.com. 222 IN A 74.125.224.137
;; Query time: 57 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Thu Dec 27 23:16:37 2012
;; MSG SIZE rcvd: 204
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