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G'day All, I am experiencing a problem where users, within a couple of NT domains, are being authenticated against the Cisco ACS server (RADIUS) then the same users are failing authentication on the VPN Concentrator. I am currently able to authenticate other NT domain users and AD users...

Our server team have (finally) investigated this issue, I suggested that it seems to be that a change in the second octet is being ignored by the DHCP server, it turns out that supernetting was enabled on the server. This has now been turned off and IP addresses are being handed out correctly.

My network consists of Cisco 6500 core switches, Cisco 3750 access switches, Windows XP Pro desktops and Windows 2003 AD domain controllers. Workstations being moved from one VLAN to another are not able to connect to the LAN because they are being reissued their old (from the first VLAN they...

G'day All, On the weekend my clients secure gateway services provider's DMZ firewall failed. This failure prevented authentication requests from getting to the RADIUS server from the VPN concentrator. I have found a tool on the internet to check the RADIUS service from inside the LAN...

G'day AdminGreg, Port Span on 3Com is called RAP (Roving Analysis Port). It is accessed through the command line (really a menu driven interface) through "feature"; "rovingAnalysis"; "add" is then used to configure the RAP port. You'll have to see if this level of functionality is available with...

Can anyone tell me how to chase a device, from it's IP address, through a 3Com network? If I were administering a Cisco network I would: 1) Go to the core or another router/layer 3 switch and ping the targets IP address, 2) Then I would check the ARP table against that IP address to discover...

G'day All, does anyone know if I can gain access to the live event log from the CLI. I know that it this information is available through the Web GUI but I want to save time and bandwidth. Thanks in advance. Cheers, Kirby.

Thanks for your input stevexff, but I've tried that too and still no joy.

G'day All, I've downloaded the latest version of ActivePerl (5.8.7.813) and installed it on my Windows XP laptop. I can get into ppm and can change settings, specifically "set fields name"; before I started playing with the setting, it would show three "fields" - Name, Version & Abstract. Now it...

G'day Guys (and girls), I want to prevent DHCP requests being propagated through the network via the ip helper x.x.x.x command. I still want to have ip helper enabled, I just don't want to get ip address' from anywhere other than the local segment. Can someone confirm that if I enter the...