I have a site to site between 2 offices on an ADSL line. It's a Cisco 837 to a Cisco concentrator. I put the network in a few months back and it's all working fine, but I want to put an 877 in as the CPU on the 837 is always around 90%.
I put the 877 in yesterday but quickly took it off as some users could not get onto Outlook or Citrix etc, eventhough they could ping all servers by IP and DNS!! When I look in the Event logs of the Windows XP PC's then it says the PC couldn't contact the domain, however I can ping the domain controllers and the domain name itself.
Strange thing is one of the users was fine. The 877 just plugs into a 24 port switch.
I have the configs to attach if you would like to help me, there are slight differences, but you can tell me if it would cause a problem.
I have just put my laptop into the router on my ADSL line and it works fine, is there some sort of overload when more users are on it, not sure if there is any debugging commands I could try.
I'm not sure what interface I should put that on, dialer 1, atm 0, vlan 1, or on fast ethernet 1 which connects to the office switch. Not sure what the mtu should be set to either as I'm not experienced enough.
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We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...