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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...
Hi Mark,I enable routing again and got the same result. And my understanding is IRDP is a method that let the hosts that have no default gateway to " get " their default gateway. So must I also enable the routing in R3 ( I disable routing in R3 to ma...
Hi,Thank You for your reply. But I can not find this command in IOS 12.0 and I even can not find this command in the cisco doc CD of IOS 12.2. Which IOS are you using?Waimen
but suppose the lease line is 64k so is the 64k is one way speed (so full duplex rate is 128k) of 64k is full duplex rate (max transmit rate + max receive rate is 64k)?Waimen
I just config like the sample except that I did not config the accept-lifetime and send-lifetime in R1, but I did not config authentication on R2. Also and then I use R1 and R2 to test IS-IS inter-area authentication R1 and R2 in different areas . I ...
Hi,I had clear the config because I just tried it in my lab. I set the eigrp authentication in R1 but not in R2. but the neighbor ship still can be formed. I also tried to use debug ip eigrp command but no authentication message was seen. My IOS is 1...
