Other Network Architecture Subjects

I have an issue hopefully someone can help me with. I have a primary and secondary router on the same LAN with an ip address configured on the Ethernet interfaces. The primary router is using a serial connection to the HO and the secondary is configu...

I'm a little confused. The literature on a 1721 router states that it is capable of Stateful packet inspection and the Cisco IOS Firewall includes context-based access control for dynamic firewall filtering, denial-of-service detection and prevention...

On my 6509 I put the ip helper-address on each of my vlan segments to allow broadcast packets to my dhcp and dns servers. I am now getting browers errors on these servers.Microsoft tech note 19030 says to disable the forwarding of broadcast packets o...

My colleague could not console to CAT6500 Switch. He said he can see console messages generated by the switch but he can't see the prompt (password:) even if he did a ctrl-break. He said that both Master and Slave SE have the same problem. Generally ...

I have added this module to hold a VIC2-4FXO card on my 2621 series router. The router does not recognize the new hardware. According to the Cisco web page, it requires the "plus" version of the IOS. After loading a 12.3.3b ip/plus feature set, my...

Set up Layer2 etherchannel from cisco 6509 to cisco 4006, the etherchannel group has 4 links.load balance mode is src-des-ip. Now IXIA connect to cisco 6509 and cisco 4006, and send 20 traffic flows, souring from 20 source ip address to 20 destinati...

Gotta brain Cramp here, this is what I need to do. My Boarder Router is a Cisco 7206 with 2 Fast Ethernet ports in the Router module and a Single Gig Port Adapter. The Gig port adapter connects into a 3550 switch Which has our Organizations PIX...

HiIf i am having our own DNS server in our office than ideally how many IP address should i have. i mean does it require public as well as private IP both?And if i am accessing a site with the URL like www.xyz.com and after it displyes the whole pag...

HelloA customer has a star-like network and is migrating from leased lines to frame-relay. After frame-relay configuration, pings to the remote site and telnet to the remote router are OK but employees on branch offices experience problems accessing ...

Hi all,Stateful NAT failover is described here:http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_feature_guide09186a00801fce09.htmlIf you have a setup like the one shown in Figure 1, things will fall down if the routers in question are ...

During the device discovery, the process hangs at 31%. It does not occur during every discovery, about every third or fourth time. I have to restart the ANI Server whenever it happens, if not, the next scheduled discovery will not execute. I am ru...

Hello everyone,My vlan1(default) has an ip address 192.168.0.1I create second vlan on my catalyst 2950 switch(with id 2). I assigned an ip adress at vlan 2, execute the "no shutdown" command and after that vlan1 shuts down. Why is that?Thanks in adva...

Hi All,quick questions:How many spanning trees do the Catalyst 6500 and 5x00 support?Considering that is possible to have a spanning tree istance per VLAN and that is possible to have 4096 VLANs, I would say 4096.Correct?What about the native and ser...