Other Network Architecture Subjects

Hi,I have 4 Catalyst 2924 xl, 4mb swithces. I am trying to get these switches to trunk between themselves, allowing for multiple v-lans to be used. However, when I try to do the command switchport mode trunk, I get an error saying Invalid input det...

When putting an ip on a serial interface, can I use the ip unnumbered loopback command so it uses the address of the loopback interface ?thanksCarl

Hi !I have been reading memory requirements for running BGP. But, for a tipical scenario with dual ISP for load sharing which are the requirements for the router ?Could we use a 1841 or thinking about 37x5 or higher router ? I know that it depends on...

Hello, I have a 30% usage on our 6509 Supervisor.We have configured yesterday highavailability for the sup1 and the msfc1 and tested multicasting (encpder are now deconnected).Here is the cpu usage we have (exclude 0.00),CPU utilization for five seco...

I tryed to upgrade IOS using only copy command into flash: and after my 2nd member of stack didn't up - i got next message=Mar 1 00:03:31.846: %IMAGEMGR-6-AUTO_COPY_SW_INITIATED: Auto-copy-software process initiated for systems[bits: 0x0001]*Mar 1 ...

hi,I have configured two 4510 switches with HSRP and connected to a server using teaming of NICs on server end. Both switches are connected with each other through trunk.Now I m facing flapping problem between the interface on which the server is con...

Hi,Our network has been experiencing Host Flapping between CAT-4006 and CAT-6513. The switches have been configured to carry multiple VLANs and use Etherchannel to bundle two 1GIG fiber uplinks. I have setup spanning-tree loopguard as well as udld to...

Hi, I change OSPF router-id of the router and clear ip ospf process. And I sh ip ospf database,router link and network link will change from old router-id to the new router-id. But Summary Net Link will not change router-id. Summary Net Link of Ol...

We have 2 networks in the main campus - main n/w and private network. Both the networks doesn't talk with each other.The main network is connected to a remote site through DS3 link using ATM. Remote location doesn't have the private network. We are l...

Hi!I'm having a problem with OSPF and would appreciate some help!We are trying to implement OSPF onto our internal network - essentially we have a 6509 in the core, and for the purposes of this post, a pair of 2600s - each on their own vlan interface...

Hi all, would there be a reason that when I add a trunk to one of my switch ports, spanning tree then kicks in on the switch and I cant do anything ?cheersCarl

Hi folks,I'd like to nail-down the raw bandwidth on my switchports to divide a 9Mbit/s uplink between two client groups of 6 & 3Mbits/s respectively ("ring-fencing"). IOS is currently 12.1(14)EA1a and doesn't offer "rate-limit" on the interface in cf...

Hi, Our client has had issues with a server connected to a stack of 3750 switches. A couple of times, hundreds of collisions suddenly occurred on an interface. Collisions were expected (the server can only work in 10 HD) but the main issue was that t...

I have some WS-C3560-48PS-S switches with 1000BaseT and fiber SX gigabit SFPs connected to a server farm switch WS-C3750G-24TS-E. Servers are attached with gigatbit-capable NICs.I found extremely sluggish performance when installing Windows XP to new...