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Ticket Resolution Summary Owner Reporter
#1316 worksforme DHCP lease lost assigned 169.x.x.x Sean Croghan joao@…
Description

6 times today lost v4 address

working with the NOC team more discovery found that the lease times for DHCP are short (30 Min)

Ticket for tracking as we working to resolve.

#1223 fixed DHCP/connectivity problem via switches in code lounge? llynch@… dave@…
Description

Hi NOC folks,

During the past 20 minutes in the code lounge, I'm not getting DHCP responses on my mac when plugged into the wired switches, e.g., SW-144, so my machine is choosing to use a link-local address and has no gateway.

I've also tried changing to other access ports and another switch: SW-148.

Please help! :)

#595 fixed DNS Negative Caching? bzeeb+ietf@… Jason_Livingood@…
Description
Hi – Can you check behavior of the resolvers for the name techfund.comcast.com? It should return a CNAME and then that resolves an A record:

dhcp-16f4:~ jason$ dig techfund.comcast.com

; <<>> DiG 9.8.3-P1 <<>> techfund.comcast.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33385
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;techfund.comcast.com. IN A

;; AUTHORITY SECTION:
comcast.com. 2084 IN SOA dns101.comcast.net. domregtech.comcastonline.com. 2009085610 7200 3600 1209600 3600

;; Query time: 1 msec
;; SERVER: 130.129.5.6#53(130.129.5.6)
;; WHEN: Mon Mar 11 14:40:49 2013
;; MSG SIZE  rcvd: 117

dhcp-16f4:~ jason$ dig techfund.comcast.com @8.8.8.8

; <<>> DiG 9.8.3-P1 <<>> techfund.comcast.com @8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46171
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;techfund.comcast.com. IN A

;; ANSWER SECTION:
techfund.comcast.com. 2581 IN CNAME grants.g.comcast.net.
grants.g.comcast.net. 15 IN A 69.252.208.135

;; Query time: 23 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon Mar 11 14:41:00 2013
;; MSG SIZE  rcvd: 88
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