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Thread: Speeds 6mbps through modem 56kish through router

  1. #1
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    Speeds 6mbps through modem 56kish through router

    Hi guys,

    I'm having a very strange issue. My setup was completely fine I have my 360 and 2 computers hooked to my old linksys befw11s4 router, they are all wired connections. I got my full 6mbps just this morning. I came home from work to find my internet at a crawl. After I connected the modem (westell a90 210030 -04) directly to my PC I get the full speed again. I have reset my router to factory defaults.

    With Modem directly hooked to PC:

    WEB100 Enabled Statistics:
    Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
    running 10s outbound test (client to server) . . . . . 432.45Kb/s
    running 10s inbound test (server to client) . . . . . . 5.80Mb/s

    ------ Client System Details ------
    OS data: Name = Windows Vista, Architecture = x86, Version = 6.0
    Java data: Vendor = Sun Microsystems Inc., Version = 1.6.0_03

    ------ Web100 Detailed Analysis ------
    Cable modem/DSL/T1 link found.
    Link set to Full Duplex mode
    No network congestion discovered.
    Good network cable(s) found
    Normal duplex operation found.

    Web100 reports the Round trip time = 89.14 msec; the Packet size = 1380 Bytes; and
    No packet loss - but packets arrived out-of-order 0.04% of the time
    This connection is receiver limited 94.6% of the time.
    This connection is network limited 5.37% of the time.

    Web100 reports TCP negotiated the optional Performance Settings to:
    RFC 2018 Selective Acknowledgment: ON
    RFC 896 Nagle Algorithm: ON
    RFC 3168 Explicit Congestion Notification: OFF
    RFC 1323 Time Stamping: OFF
    RFC 1323 Window Scaling: OFF
    Information: Network Middlebox is modifying MSS variable
    Server IP addresses are preserved End-to-End
    Information: Network Address Translation (NAT) box is modifying the Client's IP address
    Server says [74.235.27.25] but Client says [192.168.1.101]

    After connecting to router within first few seconds of connection:

    WEB100 Enabled Statistics:
    Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
    running 10s outbound test (client to server) . . . . . 431.41Kb/s
    running 10s inbound test (server to client) . . . . . . 3.04Mb/s

    ------ Client System Details ------
    OS data: Name = Windows Vista, Architecture = x86, Version = 6.0
    Java data: Vendor = Sun Microsystems Inc., Version = 1.6.0_03

    ------ Web100 Detailed Analysis ------
    Cable modem/DSL/T1 link found.
    Link set to Full Duplex mode
    No network congestion discovered.
    Good network cable(s) found
    Normal duplex operation found.

    Web100 reports the Round trip time = 78.84 msec; the Packet size = 1380 Bytes; and
    There were 64 packets retransmitted, 121 duplicate acks received, and 132 SACK blocks received
    The connection stalled 3 times due to packet loss
    The connection was idle 0.93 seconds (9.3%) of the time
    This connection is receiver limited 26.75% of the time.
    This connection is network limited 73.22% of the time.

    Web100 reports TCP negotiated the optional Performance Settings to:
    RFC 2018 Selective Acknowledgment: ON
    RFC 896 Nagle Algorithm: ON
    RFC 3168 Explicit Congestion Notification: OFF
    RFC 1323 Time Stamping: OFF
    RFC 1323 Window Scaling: OFF
    Information: Network Middlebox is modifying MSS variable
    Server IP addresses are preserved End-to-End
    Information: Network Address Translation (NAT) box is modifying the Client's IP address
    Server says [74.235.27.44] but Client says [192.168.1.100]

    A few minutes after it has been connected to router:

    WEB100 Enabled Statistics:
    Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
    running 10s outbound test (client to server) . . . . . 31.15Kb/s
    running 10s inbound test (server to client) . . . . . . 138.28kb/s

    ------ Client System Details ------
    OS data: Name = Windows Vista, Architecture = x86, Version = 6.0
    Java data: Vendor = Sun Microsystems Inc., Version = 1.6.0_03

    ------ Web100 Detailed Analysis ------
    Cable modem/DSL/T1 link found.
    Link set to Full Duplex mode
    No network congestion discovered.
    Good network cable(s) found
    Normal duplex operation found.

    Web100 reports the Round trip time = 842.31 msec; the Packet size = 1380 Bytes; and
    There were 13 packets retransmitted, 46 duplicate acks received, and 51 SACK blocks received
    The connection stalled 1 times due to packet loss
    The connection was idle 3.63 seconds (22.68%) of the time
    This connection is receiver limited 56.71% of the time.
    Increasing the the client's receive buffer (63.0 KB) will improve performance
    This connection is network limited 43.28% of the time.

    Web100 reports TCP negotiated the optional Performance Settings to:
    RFC 2018 Selective Acknowledgment: ON
    RFC 896 Nagle Algorithm: ON
    RFC 3168 Explicit Congestion Notification: OFF
    RFC 1323 Time Stamping: OFF
    RFC 1323 Window Scaling: OFF
    Information: Network Middlebox is modifying MSS variable
    Server IP addresses are preserved End-to-End
    Information: Network Address Translation (NAT) box is modifying the Client's IP address
    Server says [74.235.27.44] but Client says [192.168.1.100]

    I am at a loss, it makes no sense to me. Either my modem doesn't like being connected to the router or the router itself is bad. Transfer rates for files across the network are perfectly fine.

    Any help would be greatly appreciated guys.

  2. #2
    Elite Member trogers's Avatar
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    Perhaps you have placed your router near to your modem and its electrical noise is affecting the modem.
    "Contentment is not the fulfillment of what you want, but is the realisation of how much you already have" - anon

  3. #3
    Moderator YeOldeStonecat's Avatar
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    Is the Westell flipped to pure bridged mode..so your router is the only NAT device and only device doing the PPPoE?
    MORNING WOOD Lumber Company
    Guinness for Strength!!!

  4. #4
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    Quote Originally Posted by YeOldeStonecat View Post
    Is the Westell flipped to pure bridged mode..so your router is the only NAT device and only device doing the PPPoE?
    Yes, it is. I'll try moving them further apart as suggested in last post.

  5. #5
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    Update:

    Everything seems fine now. I seperated the two devices and it seems to be working properly. Thanks for your help guys. It's weird though because they were in the same place working fine for just over a week.

  6. #6
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    Well it was working for about 10 minutes or so. Now it's slow again. This makes no sense to me.

  7. #7
    Elite Member trogers's Avatar
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    Quote Originally Posted by Ascosis View Post
    Well it was working for about 10 minutes or so. Now it's slow again. This makes no sense to me.
    Do a tracert to www.yahoo.com and post.
    "Contentment is not the fulfillment of what you want, but is the realisation of how much you already have" - anon

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