I recently upgraded my DGL-5500 to 1.11 from 1.01 to get the performance improvements, but now I've got nothing but head-aches if I try to kill some time playing my Xbox 360 over Xbox Live.

Everything worked prior to the upgrade.
I'm able to connect to Xbox Live (I have a Port Forwarding Policy for the required ports), but when I try to play Call of Duty: Black Ops 2 just before the actual game play starts I get an error stating I've been disconnected from Xbox Live.
If I look at my Android Phone, iPhone4s (work phone), and Win7 Laptop they all show the WIFI as down. They eventually reconnect to the router.
I can reproduce the drop each time I try to play through Xbox Live.

My ISP is Charter and I have the Cable Modem they provided (Cisco DPC3010) and the DGL-5500.
From the Log I can see UDHCPD received a SIGTERM.
When I did the upgrade I did the factory reset (twice) and configured the device from scratch. I've also reset the network connection on the 360, but the issue still occurs.
I was thinking about putting 1.01 back on the device, but thought I'd reach out for help first.
I also tried emailing D-Link support (twice), but have not heard anything from them.
Here is the Log:
Nov 13 08:46:43 info UDHCPD Inform: add_lease 192.168.121.112
Nov 13 08:46:40 debug UDHCPD sending ACK to 192.168.121.112
Nov 13 08:46:40 info UDHCPD sending OFFER of 192.168.121.112
Nov 13 08:46:39 debug UDHCPD sendOffer : find a free IP
Nov 13 08:46:37 debug UDHCPD sending ACK to 192.168.121.111
Nov 13 08:46:37 info UDHCPD sending OFFER of 192.168.121.111
Nov 13 08:46:36 debug UDHCPD sendOffer : find a free IP
Nov 13 08:46:36 info Service D-Link HNAP Service (/var/etc/avahi/services/dhnap.service) successfully established.
Nov 13 08:46:36 info Service D-Link DGL-5500A1 (/var/etc/avahi/services/mtdaap.service) successfully established.
Nov 13 08:46:35 info Server startup complete. Host name is dlinkrouter.local. Local service cookie is 2621474930.
Nov 13 08:46:35 debug UDHCPD sending ACK to 192.168.121.110
Nov 13 08:46:35 info UDHCPD sending OFFER of 192.168.121.110
Nov 13 08:46:34 debug UDHCPD sendOffer : find a free IP
Nov 13 08:46:34 info Registering new address record for 192.168.121.1 on br0.*.
Nov 13 08:46:34 info Registering new address record for 192.168.121.1 on br0.*.
Nov 13 08:46:34 info Registering new address record for fe80::7a54:2eff:fe11:db9b on br0.*.
Nov 13 08:46:34 info Registering new address record for fe80::7a54:2eff:fe11:db9b on br0.*.
Nov 13 08:46:34 info Network interface enumeration completed.
Nov 13 08:46:34 info New relevant interface br0.IPv4 for mDNS.
Nov 13 08:46:34 info Joining mDNS multicast group on interface br0.IPv4 with address 192.168.121.1.
Nov 13 08:46:34 info New relevant interface br0.IPv6 for mDNS.
Nov 13 08:46:34 info Joining mDNS multicast group on interface br0.IPv6 with address fe80::7a54:2eff:fe11:db9b.
Nov 13 08:46:34 info Loading service file /var/etc/avahi/services/mtdaap.service.
Nov 13 08:46:34 info Loading service file /var/etc/avahi/services/http.service.
Nov 13 08:46:34 info Loading service file /var/etc/avahi/services/dhnap.service.
Nov 13 08:46:34 info avahi-daemon 0.6.30 starting up.
Nov 13 08:46:34 info Successfully dropped root privileges.
Nov 13 08:46:34 info Found user 'root' (UID 0) and group 'root' (GID 0).
Nov 13 08:46:33 info Current local time and date: Wed Nov 13 08:46:33 2013
Nov 13 08:46:33 info read /etc/hosts - 3 addresses
Nov 13 08:46:33 info using nameserver 24.205.224.36#53
Nov 13 08:46:33 info using nameserver 24.205.192.61#53
Nov 13 08:46:33 info using nameserver 68.116.46.115#53
Nov 13 08:46:33 info reading /etc/resolv.conf
Nov 13 08:46:33 info compile time options: IPv6 GNU-getopt no-ISC-leasefile no-DBus no-I18N no-TFTP
Nov 13 08:46:33 info started, version 2.41 cachesize 150
Nov 13 08:46:32 info device_lan_ip=192.168.121.1 , device_lan_subnet_mask=255.255.255.0
Nov 13 08:46:32 info DHCP server start.
Nov 13 08:46:30 info avahi-daemon 0.6.30 exiting.
Nov 13 08:46:30 info Leaving mDNS multicast group on interface br0.IPv4 with address 192.168.121.1.
Nov 13 08:46:30 info Leaving mDNS multicast group on interface br0.IPv6 with address fe80::7a54:2eff:fe11:db9b.
Nov 13 08:46:30 info Got SIGTERM, quitting.
Nov 13 08:46:30 info exiting on receipt of SIGTERM
Nov 13 08:46:30 info Aperture turned off
Nov 13 08:46:29 info ozKer: (INFO): Parent process exiting.
Nov 13 08:46:29 info ozKer: (INFO): Listening on 127.0.0.1:9000
Nov 13 08:46:29 info ozKer: (INFO): Running as daemon
Nov 13 08:46:29 notice (NOTICE): policy_engine: output pipe ok: /var/run/appflow/tccpipe
Nov 13 08:46:29 notice (NOTICE): input pipe ok: /var/run/appflow/drflocs_out
Nov 13 08:46:22 notice (NOTICE): Local Net: 192.168.121.0 / 255.255.255.0
Nov 13 08:46:22 notice (NOTICE): Policy Engine Start
Nov 13 08:46:22 info bwcd start complete
Nov 13 08:46:21 info bwcd starting
Nov 13 08:45:59 info streamboost update
Nov 13 08:45:59 info StreamBoost: Executing boot all
Nov 13 08:45:59 debug UDHCPD Received a SIGTERM
Nov 13 08:45:59 debug dhcpc sent restart signal to rc (RESTART APP)
Nov 13 08:45:59 debug dhcpc is waiting for rc to be idle.
Nov 13 08:45:58 notice crond 2.3.2 dillon, started, log level 8
Nov 13 08:45:57 debug dhcpc is waiting for rc to be idle.
Nov 13 08:45:56 info version 1.8.3 started
Nov 13 08:45:55 debug dhcpc is waiting for rc to be idle.
Nov 13 08:45:53 debug dhcpc is waiting for rc to be idle.
Nov 13 08:45:52 info Service D-Link HNAP Service (/var/etc/avahi/services/dhnap.service) successfully established.
Nov 13 08:45:52 info Service D-Link DGL-5500A1 (/var/etc/avahi/services/mtdaap.service) successfully established.
Nov 13 08:45:52 info Server startup complete. Host name is dlinkrouter.local. Local service cookie is 3690952496.
Nov 13 08:45:52 notice HTTP listening on port 65530
Nov 13 08:45:51 info Got SIGHUP, reloading.
Nov 13 08:45:51 info Files changed, reloading.
Nov 13 08:45:51 info Files changed, reloading.
Nov 13 08:45:51 info Files changed, reloading.
Nov 13 08:45:51 info Files changed, reloading.
Nov 13 08:45:51 info disable write rom conf.
Nov 13 08:45:51 info Registering new address record for 192.168.121.1 on br0.*.
Nov 13 08:45:51 info Registering new address record for 192.168.121.1 on br0.*.
Nov 13 08:45:51 info Registering new address record for fe80::7a54:2eff:fe11:db9b on br0.*.
Nov 13 08:45:51 info Registering new address record for fe80::7a54:2eff:fe11:db9b on br0.*.
Nov 13 08:45:51 info Network interface enumeration completed.
Nov 13 08:45:51 info New relevant interface br0.IPv4 for mDNS.
Nov 13 08:45:51 info Joining mDNS multicast group on interface br0.IPv4 with address 192.168.121.1.
Nov 13 08:45:51 info New relevant interface br0.IPv6 for mDNS.
Nov 13 08:45:51 info Joining mDNS multicast group on interface br0.IPv6 with address fe80::7a54:2eff:fe11:db9b.
Nov 13 08:45:51 info Loading service file /var/etc/avahi/services/mtdaap.service.
Nov 13 08:45:51 info Loading service file /var/etc/avahi/services/http.service.
Nov 13 08:45:51 info Loading service file /var/etc/avahi/services/dhnap.service.
Nov 13 08:45:51 info avahi-daemon 0.6.30 starting up.
Nov 13 08:45:51 info Successfully dropped root privileges.
Nov 13 08:45:51 info Found user 'root' (UID 0) and group 'root' (GID 0).
Nov 13 08:45:51 debug dhcpc is waiting for rc to be idle.
Nov 13 08:45:50 info Current local time and date: Wed Nov 13 08:45:50 2013
Any help is greatly appreciated!!