Other Network Architecture Subjects

Has anyone seen the problem described below?I have a Cisco 1700 series with two ethernet interfaces (Ethernet and FastEthernet) and a VPN interface module. The ethernet interface is connected to a DSL modem with static IP address assigned to it. Th...

I have a Cisco series 7200 and Cisco Series 2500 router connected via a serial line.The other side of the 7200 router is connected to the internet and the other side of the 2500 router is connected to ethernet.Between the serial ports of these two ro...

Hello!I plan to connect our company to an ISP over ethernet trunk interface. I would like to limit usable bandwidth for certain vlans over this trunk channel. For example, users on vlan1 cannot use more than 5% of the trunk. Is it possible?Thank you!

Hello,I have the following config on my PRI Interface:interface Serial1/0:15 ip address 192.168.0.1 255.255.255.0 ip helper-address 172.22.22.1 encapsulation ppp dialer idle-timeout 180 dialer wait-for-carrier-time 60 dialer map ip 192.168.0.11 name ...

I have a c3500xl and c3550 switch connected via gbic. I am trying to add a new c3550 connected via a gbic. I know I am running the cables correctly, but everytime I connect the new one, random users on the other 2 switches start losing connection. ...

anyone know the detailed difference of the above redundancy protocols?Thanks in advance

Is it a good or bad idea to use our core router (Cisco 2600) as a Frame Relay switch?We currently have 15 sites, and approximately 100 workstations. The data traversing the network is not intensive.I ask because I've never heard of a router being us...

Hi, there. This is the description I found for this command at Cisco's site:"At times the router might receive packets destined for a subnet of a network that has no network default route. To have the Cisco IOS software forward such packets to the be...

the debug below says the pre-shared keys don't match. i believe they do. my group is vpnuser and key is cisco123 on the vpn client and on the router they are also the same. suggestions?2d09h: ISAKMP (0:9): Checking ISAKMP transform 8 against priority...

Hello.I would like to perform a spanning of a full-duplex 100 Mb interface towards 2 different interfaces, to avoid the frames loss problem, due to the fact that 200 Mbit ( 100Mb in one direction and 100 Mb in the opposite direction)of traffic cann...

How do you upgrade Cisco 3640 System Bootstrap? The early deploymentversion 11.1(19)AA that is on one of my 3640's does not recognize a newcard. The same card is recognized fine by a newer System Bootstrap on myother 3600.I'm hoping this is the iss...

Hello,i know it's possible to define VLAN's by port, MAC address, IP address. But is it also possible to assign a user to a certain VLAN? So depending on the username that logs in a machine automatically belongs to a certain VLAN?thanx,

i am using an ISDN as a backup interface for my serial. I also have a critical server on the other side of the serial. Is it possibe for the backup command to monitor the server on the other side instead of monitoring the serial line?thx.