Does WEP encryption take up bandwidth?

Discussion in 'Networking Issues' started by stanward, Sep 23, 2005.

  1. stanward

    stanward Network Guru Member

    I have a question, what is the advantages and disadvantages of WEP?

    Does WEP reduce bandwidth(each packet is encrypted?)????

  2. Rattlehead

    Rattlehead Network Guru Member

    As far as I know or Ive experienced, encrytion does not take up bandwidth, it does take up throughput though. Each packet has to be decrypted read then encryted again, this takes more processing time on your equipment, so yes with encrytion on it does slow down packets being sent.
    This is best evident in games like CS : S with 128bit on my ping is round the 70-90 mark with it off its bout 50-70.
    Hope that helps any
  3. stanward

    stanward Network Guru Member

    Thank you, that is what I wanted to know.

    What are the advantages and disadvantages of WEP?

    What about the same question for WPA?

  4. juan_tastic

    juan_tastic Network Guru Member

    Don't bother with WEP - it is easily hacked.

    Setup WPA-PSK with TKIP or AES, create a long, random pass phrase and change the rekey interval (“group key renewalâ€) to a small value.

    According to Linksys tech support, bandwidth is not an issue with WPA-PSK. Also, if your processor is fast enough (e.g. Athlon XP 2500+), you won’t notice the throughput difference.

  5. stanward

    stanward Network Guru Member

    I couldn't get WPA to work with my WRT54GS and WRE54G.

    I tried to enable WPA first on the router, then do it on the Expander. Did not work.

    I then got the WRE54G to work with no encryption, then I tried to enable WPA on the WRE54G then on the WRT54GS, that did not work.

    I gave up and just went with WEP again.

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