Other Network Architecture Subjects

Since upgrading to VTP version 2 I am unable to create new VLANs on a 6509.There are some 2980 access switches running CatOS, one of which is running in VTP server mode, I am able to create VLANs from the 2980 Ok and the new VLAN propogates to the 65...

Looking at a network with a 6509 at the core running in pvst mode. I think the 6509 is the root switch but need to confirm this.Show spanning-tree gives a bridge id and a root id. My understanding is that the root id should be the MAC address of th...

If i add the new switches in exisiting stp topology will it affect network outage. i.e. i have already one root switch i am just adding one more access layer switch into distriction switch..appriciate your feedback..

I would appreciate if someone could give me a help regarding Cisco switches.I have one Cisco Catalyst Express 500 switch with this configuration:- 9 IP phones + desktops on Cisco-Voice VLAN (smart port setting "IP Phone + Desktop)- 10 Desktops connec...

Wse have a WS-C3548-XL-EN switch whose cpu utilization reasches 99 % dails between 12:30 hrs to 1:00 hrs. When chcked it shows that address learning process is occupying most of the cpu. Have checked that none of the port on the switch goes down or c...

AOA, My Switch is working in a Client Mode, and showing a Digest Error, can any one tell me why Digest Error dispaly .VTP statistics:Summary advertisements received : 29Subset advertisements received : 20Request advertisements received :...

I am reading that "point-to-multipoint Nonbroadcast" topology one there is not a concept of DR/BDR. On the NBMA there is the concept of electing a DR/BDR and one is supposed to do specify the DR election manually.Can you clarify why the point-to-mu...

Hello,I searched around, but couldn't find an answer to my question so I am going to have to ask everyone. After a bit of a mix up here with a coworker the complete flash file system on my 3560 Switch was deleted before I could make a full backup of...

Can HSRP & GLBP be configured on the same interfaces for redundancy ? If so can you point me to the proper documentation on how to do this ?

how can I find the compatibility list for 6506 switch supervisor and power. I have a 6506 with sup1A and 1300W power. But when boots I got the following error:ERROR - power supply type mismatch with constellation!Thanks

I found the question below in a book and I am surprised. Is the below correct ?"Which OSPF topology mode matches the following criteria:Prefers a fully meshed topology, does not require neighbor statements, elects a DR and is Cisco proprietary ?"a) P...

I have a lan with a 1720 router and a pix 515 on a subnet 192.168.1.0I have a linksys 8 port router RV082.the WAN ip on the RV082 is 192.168.1.8 the inside lan is 192.168.0.1, I have a cable pluged into the internet port and this plugged into a switc...

Hi, find the configuration & output below for 3 different switches running hsrp, 6509main/standby are on the same chassis, 3750 is connected to 6509 residing in a different floor running hsrp. i hav configured several vlans, configuration & output ar...

Dear All,I HAVE cisco 1841.it has 2 interfaces.the first one which is f 0/0 is have public ip from my ISP.the other one is normal, and i am going to give it 192.168.1.100 / 24.now i have 3 subnets totally diffrent .i want to create 3 subinterfaces fr...

I'm new to Cisco switches.I need to connect two 3750G stacks. One stack consists of 3 x 3750G-48PS and 2nd stack is 3 x 3750G-24TS. Since all switches have 4 SFP ports I would like to use them to create 3 3Gb etherchannels in a full mesh and redun...