Hello,I am having problem with T1 circuit. Cisco2621XM IOS 12.3-9a is connected to the carrier by T1 now without any problems. And last week I tried to swith over to new T1 carrier using same Router/version/WIC card, but different carrier. Since int...

Hello, I have a user who connect our VPN Concentrator from subsidiary company using VPN client software. Subsidiary company has Firewall installed, so I need to ask them to open ports for VPN connection.Which ports Cisco VPN Client use ?Thank you.