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581 posts

Ultimate Geek

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# 177483 4-Aug-2015 09:45
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for some reason this morning our IPsec VPN tunnels running on cisco routers are playing up..

did have a CSR tell me the other day that all customer supplied routers needed to have a the generic ppp login configured.

would this be hindering our tunnels at all? we seems to have internet access but no vpn or weird ike errors.

each router has always had its own ppp login which had out static ips tied to it - is this no  longer the case?

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4201 posts

Uber Geek


  # 1358409 4-Aug-2015 10:13
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The Static IPs are no longer tied to the PPP username but there are a number of background changes always happening to improve things (more decentralisation - moving customer terminations closer to where you are, reducing number of customers on various bits of equipment) so it's worth checking you still have the same static IP assigned to your conenctions.

Cheers - N



Please note all comments are the product of my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.

719 posts

Ultimate Geek

Spark NZ

  # 1358413 4-Aug-2015 10:15
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The PPP username can be almost anything, but is as good as any.  Static IP are line-based now (for about the last 2-4 years depending on your line), and not dependant on the username.  If you've already got a username in there that is authenticating, no need to change it.

This will only effect if PPP comes up or not, and will not effect anything running over the top.  The only issue I've ever encountered with IPSec is an MTU issue and ensuring that either you IPSec has a smaller MTU than the PPP link, or ensure that the PPP is getting the full 1500 byte MTU.  Spark supports a full 1500 byte PPP MTU/MRU.

Of course that may not be your issue :)

My views are my own, and may not necessarily represent those of my employer.

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