Other Network Architecture Subjects

Hi, everyone.I am experiencing a strange problem with 2950.The IOS of the Switch is c2950-i6q4l2-mz.121-19.EA1c. Whenever I plug out a cable or one of the pcs turns up,all active access ports of the switch turn Amber and lose connectivity about 20 se...

Hi, I've a Cisco7600 with some 10/100/1000 cards.One of them has been reloaded by the Catalyst and appears the next message:%C6KPWR-SP-4-DISABLED: power to module in slot 12 set off (Fabric channel errors)What could be the cause or the faulty compone...

Hi,I've inserted a new card of 48 ports 10/100/1000 in a Cisco 7600.45 seconds after the new card passed the diagnostic and becomes up, I've receipt the next message from the Standby SLB: '%CSM_SLB-6-REDUNDANCY_INFO: Module 5 FT info: State Transitio...

A fastethernet interface on my router is configured with IP address 10.1.1.1/24. This interface is connected to a layer 2 switch with users in IP range 10.1.1.2/24 - 10.1.1.253/24. IP routing is enabled on the router. Traffic coming in from serial in...

How to configure MAC address access-list in router ?Note : how to apply it to ethernet interface .

Hi, We want to enable netflow on our Core and Server Farm switches. On core we have "Catalyst 6509-SUP2-MSFC2" and on Server Farm we have "Catalyst 4507-SUPIV"My Question is :1)Any impact on CPU if enabled netflow2)is the NAM can be a collector or I ...

I have a switch 4506 configured with 4 Vlans. When I put a sniffer on any port of VLAN 1 "default" I see all the traffic anothers VLANs on VLAN 1. It´s causing a hight consume of cpu. Sometimes the network stay slow.Anybody help-me? Why I see all the...

Hi - have 2 subnets seprated by a 3620. How can I get WINS to pass through the router. I am having internittent issues whereby clients on 3x cannot resolve betbios name living on 1x side...which is where the wins servers are. Thanks

how do I monitor multiple ports, using both port monitor command, and also the monitor session command ?

I have two catalyst C2950SX-48-SI configured in cluster with one IP address using CLI. Now I wish to manage them by Cisco Network Assistant but only command switch is seen in gui, no member switch. How can I managed all switches in cluster using CNA ...

Does a trunk port basically see most things on the network ?

I have got 1841. By default it has got only 2 FE port. One for WAN and other for LAN. So we got HWIC-4ESW. Is there any problem in setting up the DMZ setup in 1841?

hi folks,is there any way to filter OSPF type 5 LSA?please help.thanks

We have an isdn router at our office here where people can dial up to from home. How would I get this to first go through my firewall to authenticate ?