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Hi, I just setup a new mail server that runs Suse 10.1 with Sendmail 8.13.6. I can send local mail and send outgoing mail without a problem but the server cannot receive any mail from external servers. I have setup the correct domains to receive mail and the MX on the DNS is also ok. The exact...

Hi, Im using CNA to manage a small network and I keep getting a Switch Redundant Power Supply failure notification on some of the 2950 switches. Is there some setting on these switches as I dont run a RPS system and not all of the switches in the network are giving the error notification. These...

Hi, Ive got 2 2900XL switches. Both have the added 2x 1GB ports. The one switch works perfectly, but on the other one both the lights on the 1GB ports and the system status LEDs are yellow. The switch seems to work fine except that the 2 1GB ports aren't shown under show interfaces. I would like...

Hi In order to access the internet through our linux suse 10 firewall firewall builder automatically changes the default gateway on the internal network card to the external card ip. In order for the firewall to work in the VLAN environment that we have running i need to add another default...

Ive setup a VLAN routing system using a cisco 3750 and several cisco 2950s. All the pcs can ping each other over the respective vlans. The connection to the internet is connected via a firewall to a routed port on the 3750. pcs on the network can ping the routed port but not the firewall which...

I've setup vlan routing on our system using the example on cisco's website but still cant ping between vlans. I can ping the respective vlan ip's and ip's in the same vlan, even if they are on different switches. Im using a cisco 3750 as backbone switch that is trunked to 10 cisco 2950 switches...