Other Network Architecture Subjects

Hello,I'm going to implement DHCP snooping in a C4006 in a production environment. Is it a disruptive configuration? What would happen with all the IP addresses that were assigned prior to the configuration of snooping?Any advise would be appreciated...

Is it possible to have the RME syslog analyzer listen on another port different from UDP 514 ?

hi all ,I am trying to log login access for Telnet to the netwrok devices ,below is the access-list that i used ,access-list 155 permit tcp 140.80.0.0 0.0.255.255 any logaccess-list 155 deny tcp any any range 0 65535 logaccess-list 155 deny udp ...

Hi,Can someone explain, for OSPF routing over NBMA it is necessary to provide neighbor commands to establish neighbor adjacencies.Why the same is not needed with eigrp? Let's hv the nbma cloud as the frame-relay for example.

I recently implemented a swicthed LAN network using 2 Cisco 3750s L3 switches & and a bunch of 2950s all trunked to the 3750s. The 2-3750s are connected via a stackwise cable. There are 4 VLANs (10.x.60.X, 10.x.61.x, 10.0.62.x & 10.0.63.x). Routing b...

Hello,I want to configure a router 2600, whom interface console is destroyed.Access by hyperterminal is not possible and the ip address is unknew.What can i do to ?Best regard

I working with a network and I use the Maximun flow solver to determine the bottleneck between two nodes. I determine the occupied index (Occupied Bandwid vs. Total Bandwid) all the month. Next I search the traffic edges tendency to simulate with the...

Strange problem in our campus. Computer (connected to 6509 switch) successfuly obtain IP address from dhcp server but this PC cannot ping default gateway and other devices on network. This PC also has Ip address conflict but there is no PC with same ...

Someone told me there was something call a TACS Server that I could use to manage the passwords and configurations on all my Cisco devices. Is there such a thing and if so where do I find it. Google search did not return anything usefull.Thanks

I currently have two Cisco PIX 515’s in failover mode connected to my core switch (C4003). Also on that switch, I have a print server that I need to traffic shape because some customers are getting their link saturated. The customers are printing t...

I have a 6500 sup720 (running integraded ios (native)), there has been executed a ssh connection to another router when connected to the console port. This ssh connection freezed and now I can't access the console port. When executing show user, I'll...

hello,I need document for cisco wireless, where can i find it ?Best regard

I have a 1760 with 2 FXS ports. I connect FAXs on both FXS ports and I try to make a call but it's not succesful. I can call a remote FAX (VOIP call) with no problem, but when there is an incoming call, the FAX answers the call but cannot handshake a...

I have a 3660 (12.3) with WIC-1MFT installed connected to a T1 broken into 8 128kbs (2-channel) point-to-point links. Each link terminates on a 1720 that passes data back to 3660. My problem is that the WIC-1MFT only will support 2 channel groups. Al...