Internet slowed to a crawl

My MBP (4,1 | 10.5.4 | 2.5 GHz CPU | 2 GB RAM | GeForce 8600 M GT) connects wirelessly to our Linksys router (WRT54GX2). At 8:00 pm PDT, my incoming and outgoing packets were reduced to 1KB.
* We also have an iMac (7,1 | 10.5.4 | 2 GHz CPU | 1 GB RAM | ATI,RadeonHD2400) on the network and it works fine. Therefore, my router, is not the issue.
* I can ping and traceroute Google so my wireless network card is not the issue.
* Here is a link to my speed test: http://www.speedtest.net/result/308418874.png. I ran this test from my iMac. My internet connection is not the issue.
I went to System Preferences > Network > and created a new location, hoping this would solve the problem. It did not.
I can post console messages if need be. Please help. Thank you.

8/12/08 8:23:52 PM kernel 64 bit mode enabled
8/12/08 8:23:52 PM kernel Darwin Kernel Version 9.4.0: Mon Jun 9 19:30:53 PDT 2008; root:xnu-1228.5.20~1/RELEASE_I386
8/12/08 8:23:52 PM kernel standard timeslicing quantum is 10000 us
8/12/08 8:23:52 PM kernel vmpagebootstrap: 511489 free pages and 12799 wired pages
8/12/08 8:23:52 PM kernel migtable_maxdispl = 79
8/12/08 8:23:52 PM kernel 97 prelinked modules
8/12/08 8:23:52 PM kernel AppleACPICPU: ProcessorApicId=0 LocalApicId=0 Enabled
8/12/08 8:23:52 PM kernel AppleACPICPU: ProcessorApicId=1 LocalApicId=1 Enabled
8/12/08 8:23:52 PM kernel Loading security extension com.apple.security.TMSafetyNet
8/12/08 8:23:52 PM kernel calling mpopolicyinit for TMSafetyNet
8/12/08 8:23:52 PM kernel Security policy loaded: Safety net for Time Machine (TMSafetyNet)
8/12/08 8:23:52 PM kernel Loading security extension com.apple.nke.applicationfirewall
8/12/08 8:23:52 PM kernel Loading security extension com.apple.security.seatbelt
8/12/08 8:23:52 PM kernel calling mpopolicyinit for mb
8/12/08 8:23:52 PM kernel Seatbelt MACF policy initialized
8/12/08 8:23:52 PM kernel Security policy loaded: Seatbelt Policy (mb)
8/12/08 8:23:52 PM kernel Copyright (c) 1982, 1986, 1989, 1991, 1993
8/12/08 8:23:52 PM kernel The Regents of the University of California. All rights reserved.
8/12/08 8:23:52 PM kernel MAC Framework successfully initialized
8/12/08 8:23:52 PM kernel using 10485 buffer headers and 4096 cluster IO buffer headers
8/12/08 8:23:52 PM kernel devfsmakenode: not ready for devices!
8/12/08 8:23:52 PM kernel IOAPIC: Version 0x20 Vectors 64:87
8/12/08 8:23:52 PM kernel ACPI: System State [S0 S3 S4 S5] (S3)
8/12/08 8:23:52 PM kernel mbinit: done
8/12/08 8:23:52 PM kernel Security auditing service present
8/12/08 8:23:52 PM kernel BSM auditing present
8/12/08 8:23:52 PM kernel rooting via boot-uuid from /chosen: D7148E5D-32F0-3BF2-8E50-5A25979C7DA2
8/12/08 8:23:52 PM kernel Waiting on <dict ID="0"><key>IOProviderClass</key><string ID="1">IOResources</string><key>IOResourceMatch</key><string ID="2">boot-uuid-media</string></dict>
8/12/08 8:23:52 PM kernel BTCOEXIST on
8/12/08 8:23:52 PM kernel wl0: Broadcom BCM4328 802.11 Wireless Controller
8/12/08 8:23:52 PM kernel 4.170.46.9Got boot device = IOService:/AppleACPIPlatformExpert/PCI0/AppleACPIPCI/SATA@1F,2/AppleICH8AHCI/PR T0@0/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageD river/Hitachi HTS542525K9SA00 Media/IOGUIDPartitionScheme/Customer@2
8/12/08 8:23:52 PM kernel BSD root: disk0s2, major 14, minor 2
8/12/08 8:23:52 PM kernel FireWire (OHCI) TI ID 8025 built-in now active, GUID 001ff3fffe182efc; max speed s800.
8/12/08 8:23:52 PM kernel Jettisoning kernel linker.
8/12/08 8:23:52 PM kernel Resetting IOCatalogue.
8/12/08 8:23:52 PM kernel GFX0: family specific matching fails
8/12/08 8:23:52 PM kernel Matching service count = 1
8/12/08 8:23:52 PM kernel Matching service count = 2
8/12/08 8:23:52 PM kernel Matching service count = 2
8/12/08 8:23:52 PM kernel Matching service count = 2
8/12/08 8:23:52 PM kernel Matching service count = 2
8/12/08 8:23:52 PM kernel Matching service count = 2
8/12/08 8:23:52 PM kernel Previous Shutdown Cause: 5
8/12/08 8:23:52 PM kernel NVDANV50HAL loaded and registered.
8/12/08 8:23:52 PM kernel GFX0: family specific matching fails
8/12/08 8:23:54 PM kernel AppleUSBMultitouchDriver: starting
8/12/08 8:23:56 PM rpc.statd[17] statd.notify - no notifications needed
8/12/08 8:23:58 PM bootlog[35] BOOT_TIME: 1218597828 0
8/12/08 8:23:58 PM kernel IPv6 packet filtering initialized, default to accept, logging disabled
8/12/08 8:23:58 PM /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[22] Login Window Application Started
8/12/08 8:23:58 PM fseventsd[26] bumping event counter to: 0x170f281 (current 0x0) from log file '00000000016c62f2'
8/12/08 8:23:59 PM DirectoryService[31] Launched version 5.4 (v514.21)
8/12/08 8:23:59 PM kernel yukon: Ethernet address 00:1f:5b:f1:93:e2
8/12/08 8:23:59 PM kernel AirPort_Brcm43xx: Ethernet address 00:1e:c2:c1:a1:a8
8/12/08 8:24:00 PM kernel E:[AppleUSBBluetoothHCIController][StartInterruptPipeRead] there is alredy a pending read, skipping.
8/12/08 8:24:00 PM mDNSResponder mDNSResponder-171.4 (Apr 20 2008 11:59:52)[21] starting
8/12/08 8:24:00 PM /usr/sbin/ocspd[54] starting
8/12/08 8:24:04 PM kernel AppleYukon2: 00000000,00000000 sk98osx_dnet - recovering from missed interrupt
8/12/08 8:24:06 PM kernel AppleYukon2: 00000000,00000000 sk98osx_dnet - recovering from missed interrupt
8/12/08 8:24:06 PM kextd[10] writing kernel link data to /var/run/mach.sym
8/12/08 8:24:08 PM kernel AppleYukon2: 00000000,00000000 sk98osx_dnet - recovering from missed interrupt
8/12/08 8:24:11 PM kernel WLCE_COUNTRY_CODECHANGED
8/12/08 8:24:11 PM kernel en1: 802.11d country code set to 'US'.
8/12/08 8:24:11 PM kernel en1: Supported channels 1 2 3 4 5 6 7 8 9 10 11 5 6 7 8 9 10 11 1 2 3 4 5 6 7 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 149 153 157 161 165 40 48 56 64 104 112 120 128 136 153 161 36 44 52 60
8/12/08 8:24:11 PM configd[33] setting hostname to "rose-emmonss-macbook-pro.local"
8/12/08 8:24:12 PM loginwindow[22] Login Window Started Security Agent
8/12/08 8:24:15 PM org.ntp.ntpd[14] Error : nodename nor servname provided, or not known
8/12/08 8:24:15 PM ntpdate[75] can't find host time.apple.com
8/12/08 8:24:15 PM ntpdate[75] no servers can be used, exiting
8/12/08 8:24:15 PM kernel MAC AUTH succeeded
8/12/08 8:24:15 PM kernel AirPort: Link Up on en1
8/12/08 8:24:18 PM mDNSResponder[21] Note: DNS Server 68.105.28.12 for domain . registered more than once
8/12/08 8:24:18 PM mDNSResponder[21] Note: DNS Server 68.105.29.12 for domain . registered more than once
8/12/08 8:24:25 PM loginwindow[22] Login Window - Returned from Security Agent
8/12/08 8:24:25 PM loginwindow[22] USER_PROCESS: 22 console
8/12/08 8:24:25 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[69]) Exited: Terminated
8/12/08 8:24:26 PM /System/Library/CoreServices/coreservicesd[42] SFLSharePointsEntry::CreateDSRecord: dsCreateRecordAndOpen(Rose Emmons's Public Folder) returned -14135
8/12/08 8:24:26 PM /System/Library/CoreServices/coreservicesd[42] SFLSharePointsEntry::CreateDSRecord: dsCreateRecordAndOpen(Captain's Public Folder) returned -14135
8/12/08 8:24:27 PM mDNSResponder[21] Note: DNS Server 68.105.28.12 for domain . registered more than once
8/12/08 8:24:27 PM mDNSResponder[21] Note: DNS Server 68.105.29.12 for domain . registered more than once
8/12/08 8:24:29 PM GrowlHelperApp[96] WARNING: could not register Growl server.
8/12/08 8:24:34 PM My Day[98] .sdef error: Operation could not be completed. (NSXMLParserErrorDomain error 1549.)
8/12/08 8:24:34 PM My Day[98] line number: 2
8/12/08 8:24:34 PM My Day[98] .sdef error: Operation could not be completed. (NSXMLParserErrorDomain error 1549.)
8/12/08 8:24:34 PM My Day[98] line number: 2
8/12/08 8:24:35 PM Microsoft Office Reminders[108] start timer
8/12/08 8:24:35 PM Microsoft Office Reminders[108] ECF launch successful. Notifying
8/12/08 8:24:35 PM Microsoft Office Reminders[108] ECRMenuManager -- ECFWasInitialized
8/12/08 8:24:35 PM Microsoft Office Reminders[108] ECRMenu - loading project list
8/12/08 8:24:35 PM Microsoft Office Reminders[108] ECSelectionCache projects: invalid filter template assigned. Using blank
8/12/08 8:24:35 PM Microsoft Office Reminders[108] ECRMenu - loading category list
8/12/08 8:24:35 PM Microsoft Office Reminders[108] ECSelectionCache categories: invalid filter template assigned. Using blank
8/12/08 8:24:41 PM Microsoft Office Reminders[108] ECF shutting down. Notifying
8/12/08 8:24:41 PM Microsoft Office Reminders[108] freeing menu objects
8/12/08 8:24:41 PM Microsoft Office Reminders[108] Clearing selection
8/12/08 8:24:43 PM mDNSResponder[21] Failed to obtain NAT port mapping 00047CEC from router 192.168.1.1 external address 0.0.0.0 internal port 5353 error 0
8/12/08 8:24:49 PM com.apple.launchctl.System[2] BootCacheControl: could not fetch history: Cannot allocate memory
8/12/08 8:24:49 PM com.apple.launchctl.System[2] BootCacheControl: could not stop cache/fetch history: Cannot allocate memory
8/12/08 8:26:19 PM DashboardClient[115] com.apple.widget.weather: Fetching data failed, XML request failed. no responseXML
8/12/08 8:26:19 PM DashboardClient[115] com.apple.widget.weather: Fetching data failed, XML request failed. no responseXML
8/12/08 8:26:20 PM DashboardClient[115] com.apple.widget.cinema: MOVIES NETWORK ERROR
8/12/08 8:26:19 PM [0x0-0x8008].com.apple.dock[86] 2008-08-12 20:26:19.515 DashboardClient[115:10b] com.apple.widget.weather: Fetching data failed, XML request failed. no responseXML
8/12/08 8:26:19 PM [0x0-0x8008].com.apple.dock[86] 2008-08-12 20:26:19.987 DashboardClient[115:10b] com.apple.widget.weather: Fetching data failed, XML request failed. no responseXML
8/12/08 8:26:20 PM [0x0-0x8008].com.apple.dock[86] 2008-08-12 20:26:20.468 DashboardClient[115:10b] com.apple.widget.cinema: MOVIES NETWORK ERROR
8/12/08 8:26:21 PM SystemUIServer[87] Error: airportd MIG failed = 1 ((os/kern) invalid address) (port = 33363)
8/12/08 8:26:22 PM mDNSResponder[21] Note: DNS Server 68.105.28.12 for domain . registered more than once
8/12/08 8:26:22 PM mDNSResponder[21] Note: DNS Server 68.105.29.12 for domain . registered more than once
8/12/08 8:26:25 PM com.apple.launchd[62] ([0x0-0x1d01d].dotmacsyncclient[189]) Exited with exit code: 146
8/12/08 8:26:42 PM SystemUIServer[87] Error: airportd MIG failed = 1 ((os/kern) invalid address) (port = 33363)
8/12/08 8:26:45 PM kernel MAC AUTH succeeded
8/12/08 8:26:45 PM kernel AirPort: Link Up on en1
8/12/08 8:26:48 PM mDNSResponder[21] Note: DNS Server 68.105.28.12 for domain . registered more than once
8/12/08 8:26:48 PM mDNSResponder[21] Note: DNS Server 68.105.29.12 for domain . registered more than once
8/12/08 8:27:56 PM DashboardClient[115] com.apple.widget.cinema: MOVIES NETWORK ERROR
8/12/08 8:27:56 PM [0x0-0x8008].com.apple.dock[86] 2008-08-12 20:27:56.335 DashboardClient[115:10b] com.apple.widget.cinema: MOVIES NETWORK ERROR
8/12/08 8:28:02 PM mDNSResponder[21] Note: DNS Server 68.105.28.12 for domain . registered more than once
8/12/08 8:28:02 PM mDNSResponder[21] Note: DNS Server 68.105.29.12 for domain . registered more than once
8/12/08 8:28:38 PM kernel AirPort: Roam (DeAuth/DisAssoc)
8/12/08 8:28:42 PM kernel MAC AUTH succeeded
8/12/08 8:29:43 PM DashboardClient[115] com.apple.widget.weather: Fetching data failed, XML request failed. no responseXML
8/12/08 8:29:43 PM DashboardClient[115] com.apple.widget.cinema: MOVIES NETWORK ERROR
8/12/08 8:29:43 PM [0x0-0x8008].com.apple.dock[86] 2008-08-12 20:29:43.088 DashboardClient[115:10b] com.apple.widget.weather: Fetching data failed, XML request failed. no responseXML
8/12/08 8:29:43 PM [0x0-0x8008].com.apple.dock[86] 2008-08-12 20:29:43.329 DashboardClient[115:10b] com.apple.widget.cinema: MOVIES NETWORK ERROR
8/12/08 8:30:38 PM kernel AirPort: Roam (DeAuth/DisAssoc)
8/12/08 8:30:41 PM kernel MAC AUTH succeeded
8/12/08 8:32:01 PM kernel AirPort: Roam (DeAuth/DisAssoc)
8/12/08 8:32:04 PM kernel MAC AUTH succeeded
8/12/08 8:32:09 PM kernel AirPort: Roam (DeAuth/DisAssoc)
8/12/08 8:32:13 PM kernel MAC AUTH succeeded
8/12/08 8:32:38 PM kernel AirPort: Roam (DeAuth/DisAssoc)
8/12/08 8:32:42 PM kernel MAC AUTH succeeded
8/12/08 8:34:31 PM /usr/sbin/ocspd[302] starting
8/12/08 8:34:43 PM DashboardClient[115] com.apple.widget.weather: Fetching data failed, XML request failed. no responseXML
8/12/08 8:34:43 PM DashboardClient[115] com.apple.widget.cinema: MOVIES NETWORK ERROR
8/12/08 8:34:43 PM DashboardClient[115] com.apple.widget.weather: Fetching data failed, XML request failed. no responseXML
8/12/08 8:34:43 PM [0x0-0x8008].com.apple.dock[86] 2008-08-12 20:34:43.401 DashboardClient[115:10b] com.apple.widget.weather: Fetching data failed, XML request failed. no responseXML
8/12/08 8:34:43 PM [0x0-0x8008].com.apple.dock[86] 2008-08-12 20:34:43.454 DashboardClient[115:10b] com.apple.widget.cinema: MOVIES NETWORK ERROR
8/12/08 8:34:43 PM [0x0-0x8008].com.apple.dock[86] 2008-08-12 20:34:43.455 DashboardClient[115:10b] com.apple.widget.weather: Fetching data failed, XML request failed. no responseXML

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