Wired Internet connection drops since 10.5.7

Since installing the 10.5.7 update I've had trouble with my Internet connection dropping while I'm using it. I have a wired connection and have checked the cables and the router port and there doesn't seem to be a physical problem. I'll be browsing the Internet and without warning it will suddenly stop working. A minute or two later it will have recovered. This happens every few minutes and it's very aggravating.
I do not use a wireless connection and have turned off Airport.
When the connection drops, I am unable to ping the router. If I run ifconfig I see it has a 169.254.x.x address. Once the system recovers, I can once again ping the router and the IP number is what the router assigns.
I ran cat /var/log/system.log and here is an excerpt:
Jun 10 08:06:01 usernames-imac kernel[0]: vmnet: VNetUserIfFree: freeing userIf at 0x9109500.
Jun 10 08:11:55 usernames-imac kernel[0]: AppleYukon2: 00000001,00000000 sk98nif - deadmanCheck - nothing received, resetting chip
Jun 10 08:11:55 usernames-imac kernel[0]: vmnet: bridge-en0: interface en is going DOWN
Jun 10 08:11:59 usernames-imac kernel[0]: vmnet: VMNetDisconnect called for port 0x9171e00
Jun 10 08:11:59 usernames-imac kernel[0]: vmnet: bridge-en0: filter detached
Jun 10 08:11:59 usernames-imac kernel[0]: vmnet: bridge-en0: down
Jun 10 08:11:59 usernames-imac kernel[0]: vmnet: bridge-en0: detached
Jun 10 08:11:59 usernames-imac kernel[0]: vmnet: Freeing hub at 0x9030000.
Jun 10 08:11:59 usernames-imac kernel[0]: Ethernet [AppleYukon2]: Link up on en0, 100-Megabit, Full-duplex, No flow-control, Debug [796d,6c08,0de1,0200,41e1,4000]
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: VNetUserIf_Create: created userIf at 0x9193e00.
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: VMNetConnect: returning port 0x9193e00
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: Hub 0 does not exist, allocating memory.
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: Allocated hub 0x9030000 for hubNum 0.
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: VMNETSOBINDTOHUB: port: paddr 00:50:56:fd:d2:ae
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: Hub 0
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: Port 0
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: bridge-en0: got dev 0x74c3a04
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: bridge-en0: up
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: bridge-en0: attached
Jun 10 08:12:04 usernames-imac kernel[0]: vmnet: VNetUserIfFree: freeing userIf at 0x9193e00.
Jun 10 08:19:29 usernames-imac kernel[0]: AppleYukon2: 00000001,00000000 sk98nif - deadmanCheck - nothing received, resetting chip
Jun 10 08:19:29 usernames-imac kernel[0]: vmnet: bridge-en0: interface en is going DOWN
Jun 10 08:19:33 usernames-imac kernel[0]: vmnet: VMNetDisconnect called for port 0x914c100
Jun 10 08:19:33 usernames-imac kernel[0]: vmnet: bridge-en0: filter detached
Jun 10 08:19:33 usernames-imac kernel[0]: vmnet: bridge-en0: down
Jun 10 08:19:33 usernames-imac kernel[0]: vmnet: bridge-en0: detached
Jun 10 08:19:33 usernames-imac kernel[0]: vmnet: Freeing hub at 0x9030000.
Jun 10 08:19:33 usernames-imac kernel[0]: Ethernet [AppleYukon2]: Link up on en0, 100-Megabit, Full-duplex, No flow-control, Debug [796d,6c48,0de1,0200,41e1,4000]
Jun 10 08:19:38 usernames-imac kernel[0]: vmnet: VNetUserIf_Create: created userIf at 0x914c400.
Jun 10 08:19:38 usernames-imac kernel[0]: vmnet: VMNetConnect: returning port 0x914c400
Jun 10 08:19:38 usernames-imac kernel[0]: vmnet: Hub 0 does not exist, allocating memory.
Jun 10 08:19:38 usernamees-imac kernel[0]: vmnet: Allocated hub 0x9030000 for hubNum 0.
Jun 10 08:19:38 usernames-imac kernel[0]: vmnet: VMNETSOBINDTOHUB: port: paddr 00:50:56:ef:27:5f
Jun 10 08:19:38 usernames-imac kernel[0]: vmnet: Hub 0
Jun 10 08:19:38 usernames-imac kernel[0]: vmnet: Port 0
Jun 10 08:19:38 usernames-imac kernel[0]: vmnet: bridge-en0: got dev 0x74c3a04
Jun 10 08:19:38 usernames-imac kernel[0]: vmnet: bridge-en0: up
Jun 10 08:19:38 usernames-imac kernel[0]: vmnet: bridge-en0: attached
Jun 10 08:19:38 usernames-imac kernel[0]: vmnet: VNetUserIfFree: freeing userIf at 0x914c400.
Jun 10 08:22:42 usernames-imac login[22976]: USER_PROCESS: 22976 ttys000
++++++++++++++++++
I don't know if the problem is related to an incompatibility with VMware Fusion or not. I have both Windows and Linux virtual machines on this Mac. I'm not actively using VMware when I have the connectivity problem.

I posted this on an other topic last night
Hi,
New to this forum. Landed here because of airport issues after 10.5.7. update.
Airport could not connect to my network, but it detected other networks.
I tried some steps suggested in this thread but it didn't work. Then I looked into my router and disabled the "hide accespoint" option. That worked. Airport connected immidiatly. I restarted and still had connection. I then enabled the "hide accespoint" option, restarted, had to log in manualy ("connect to other network"), gave my networkname and password and until now everything works okay.
Maybe the 10.5.7. update chanched something in the airport//router setting/visability.
Giel.
15" mbp 2,4 unibody, 15" mbp 2,2, powerbook g4 (dead but not burried) Mac OS X (10.5.7)

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