UDP

Packet Sniffer

I need to know about packet sniffer with a clear demo and how the packets are transmitted in TCP and UDP.

Suggestions for Cisco NetFlow analysis tools

What tools are other members using for Cisco NetFlow traffic analysis? I'm especially interested in open source tools but any commercial or proprietary recommendations or suggestions would also be appreciated. Thank you. Moderator Note: This is a user submitted question

Don't Fragment bit

Could anybody please explain me about the data transfer when Don't fragment bit is set and incoming protocol is TCP/UDP?

Configure ports

how do u configure uer network to forward tcp and udp ports 6346 to ur local network

Easy Vpn Server cisco 3845

i need to set the TCP on my cisco 3845, right now my easy vpn server is set for UDP and some of my users cant access the vpn due to esp and ike being blocked.

Meaning : DHCP using UDP as Transport Layer

Hi, I am learning DHCP protocols and infact a beginner to network domain. I have a very basic question. Qn : What is the meaning of "DHCP uses UDP as transport protocol" ? ( or to be generic, what does it mean that x protocol is sent over y protocol) Appreciate your valuable time. ...

TCP/IP and UDP

what are TCP/IP and UDP protocols and how many protocols are they?

ROUTING INFORMATION PROTOCOL

why routing information protocol employ user datagrame protcol over transmission control protocol

What happens when the DNS names exceed the maximum UDP packet size?

A DNS uses UDP packet to resolve IP addresses. What happens when the DNS names to be looked up exceeds 576 bytes (the maximum UDP packet size)? Can it be sent in two packets?

capture PLC-data in our LAN

Our PLC-vendor is going to provide us collected PLC-data on a server in our LAN. Are sockets (port higher then 1024) the best way to do this? As we are AS/400-minded people, will FTP resolve this with the same performance? Or are there other possibilities? Please, please, give us some guidelines.

cannot ping from router-2

hi all i am in an ISP.I have a cisco 3600 router and Keymile LECAR modem pair(V.35/G.703)at my end and cisco 1700 series router and keymile LECAR modem pair at the customer end.From my end when i see from router i found the line is up but when i try pinging the router at the client end i...

cannot ping from router

hi all i am in an ISP.I have a cisco 3600 router and Keymile LECAR modem pair(V.35/G.703)at my end and cisco 1721 router and keymile LECAR modem pair at the customer end.From my end when i see from router i found the line is up but when i try pinging the router at the client end i cannot.when...

second question About DNS

Can a computer have 2 DNS names that fall in different top-level domains? If so, give a plausible example. If not, explain why not.

About DNS

DNS uses UDP instead of TCP. If a DNS packet is lost, there is no automatic recovery. Does this cause a problem, and if so, how is it solved?

ftp connection

I administer a windows network, the ftp server is running on w2k3 small business server. some of my users can not get access to the ftp site, the connection is timing out, however some are able to connect, it looks like it is not a setting issue or OS issue, the clients in my network are w2k and...

Wake on LAN / Magic Packet broadcast doesnt work through PPTP

Hi, I have a network, where I want to use WOL from a remote PC. It works when I send a packet from inside the network (or on the server). If I connect via PPTP from a remote windows XP PC, I can?t wake up the PC on the LAN. I suspect the broadcast packet doesn?t reach the LAN. The PPTP connection...