Switching

HI I have a network with CISCO catalyst L3 switch and other L2 switches with 17 vlans configured as shown in the figureThe problem that is being faced is that  except vlan 2 no other vlan is able to access the external network. All other vlans cannot...

Hi all,I have a Cisco WS-C2950-48,  and I have incrementing throttles and ignored on  VLAN 1 interface.  Vlan 1 is a managament interface, some timewhen I try to Access I can't. 2950#show int vlan 1Vlan1 is up, line protocol is up  Internet address i...

Hi,There are some connection issue between the server and the switch port. I would like to know whether can investigate it from the switch port level. Apart from checking the interface status, can we enable the logging for a particular switch port? T...

Hi All,we have 2 SP with catos and 2 msfc with IOS, but I need to replace one of MSFC by memory problems. Do I need to upload IOS in MSFC? or only I need to boot MSFC in RMMON with the IOS in SP?Thanks in advance.

Hi,Below is config on 3825.no ip dhcp use vrf connectedip dhcp excluded-address 192.168.128.1 192.168.129.254!ip dhcp pool 128net network 192.168.128.0 255.255.252.0 default-router 192.168.128.2 dns-server 192.168.128.10 lease infinitewhen th...

Hi,we currently use the ASA 5505 router. We would like to create another subnet inside our LAN because we are running out of IP addresses.current subnet info:subnet:10.1.1.Xsubmark: 255.255.255.0gateway: 10.1.1.251we want to make another subnet, whic...

Hi,We have 2 internet connections- one for production and one as a backup.  The backup connection will be used for allowing guest visitors on a wireless network that is on a seperate VLAN.We have the following networks:VLAN 1 production, 192.168.1.0V...

Hi All,After a power problem at our data centre we find Module 11 of our Cisco 6513 Core Switch in PWR Down state.Show Module 11 returns: Status: PWRDownShow Power Status Module 11 returns: OperStatus Off (Module Reset due to an exception or user req...

1.I know,the port on which BPDU Filtering operates, it disables the incoming and outgoing of BPDU which prevents looping and hence provides security.2.However it also states if any of the portfast port (on which BPDU Filtering is already operating) r...

Hi All,        Am facing a critical issue with 6509 core switch.The cpu utilization of teh switch is reached 99% often. Am checked the logs and reaveled thta debug commend is enabled automatically. after issuing the " U all " utilization reduced to n...

All,I'm a beginner with networking anything beyond plugging up a home wireless router.My problem is that I have a Cisco 300 series small business switch with multiple VLANS each one with an IP address and two or three ports assigned to each VLAN. I h...

Greetings all, I am by no means an expert in switching and routing, but I know my fair share.  I recently ran into an interesting situation in my lab.  I have a network with a single switch connected to a core switch, which is then connected to a rou...

Hi all,I`m sort of new in here, and would like to help me with one thing we need to accomplish as a home work. The question is: Let`s suppose there`s a network consisting of 1000 subnets. How many records would the routing table in each router need t...

Can a severe broadcast storm cause hardware or modules failure?Sent from Cisco Technical Support iPad App