Hi all,My firewall need to allow Netbios over TCP/IP and I don't want to allow more. I allow the ports 137,138,139. Am I right? Any body has idea? Thank You!Waimen

Hi All, I had saw some post about 3550 voice vlan in this forum. Many people said that the voice vlan just can be configured in trunk mode as follow: int f0/1 mls qos trust cos switchport trunk encap dot1q switchport mode trunk switchport trunk nativ...

Hi All,I use the following topology to test IRDP:..............R3................|R1--R2-----R4--R5.........|_____| R1,R2,R4 and R5 use ISIS and there is route to get each other. R3 use "no ip routing " to disable routing. In the interfaces of R2 an...

Hi All,My company plan to use VoIP to interconnect the remote-site. The traffic will not be very high. I am thinking about to use 4 FXO ports or use E1 to connect to my PBX. I am afraid that if I use E1, the PBX is not compatable with the 2600 router...

Hi All,My company plan to use VoIP to interconnect the remote-site. The traffic will not be very high. I am thinking about to use 4 FXO ports or use E1 to connect to my PBX. I am afraid that if I use E1, the PBX is not compatable with the 2600 router...