Re: Restarting modem/router through software

Tim wrote:
On Sun, 2007-01-07 at 13:59 -0600, Mikkel L. Ellertson wrote:
One thing you may want to check on is if the public IP address you
have changes during the night. Your DHCP lease may be expiring, and
you are getting a "new" IP address.

You really ought to get the same IP address, then. The scheme is for
your DHCP client (most likely within your modem, unless you use it in a
bridge mode) to "renew" the lease before the expiry period.

Yes, that is what "should" happen. Then again, you should not have
to restart the modem every couple of days. But if the modem is not
renewing the lease, and it is expiring, then a new IP address after
power-cycling the modem would be a good indication.

If your ISP is changing IPs on you arbitrarily, I'd be looking for
another ISP. One that isn't so mismanaged.

An IP address that changes before you power-cycle the modem would be
an indication of this, and as you said, time for a new ISP, if
possible. (Some places, you do not have a choice for hi-speed
Internet...)

Mikkel
--

Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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Relevant Pages

  • Re: Restarting modem/router through software
    ... > bridge mode) to "renew" the lease before the expiry period. ... to restart the modem every couple of days. ... renewing the lease, and it is expiring, then a new IP address after ... > another ISP. ...
    (Fedora)
  • Re: Restarting modem/router through software
    ... Your DHCP lease may be expiring, ... > to restart the modem every couple of days. ... > renewing the lease, and it is expiring, then a new IP address after ... >> another ISP. ...
    (Fedora)
  • Re: Restarting modem/router through software
    ... Your DHCP lease may be expiring, ... >> to restart the modem every couple of days. ... >> renewing the lease, and it is expiring, then a new IP address after ... >>> another ISP. ...
    (Fedora)
  • Re: SYN Port Scan Attack
    ... won't change the address as the DHCP server at the cable ... > provider stores the IP address against the cable modem MAC address. ... > lease hasn't expired, ...
    (microsoft.public.windowsxp.general)
  • Re: SYN Port Scan Attack
    ... A vast majority of cable providers ... provider stores the IP address against the cable modem MAC address. ... So when the modem comes back on line, the cable DHCP server checks the ... lease hasn't expired, ...
    (microsoft.public.windowsxp.general)