Other Network Architecture Subjects

What does a switch do with BPDUs when spanning tree is disabled?In an example with three bridges in a triange, if one has spanning tree disabled the other two do not see each other and therefore there is a loop.does the switch act similar to a hub an...

Who can explain "unframed (G.703)" to me or give a related link to me? ThanksSincerely

Hi,I have a WS-X6K-SUP1A-2GE with MSFC & PFC, recently I faced a strange problem when I upgraded the IOS on the 6509 MSFC.The current software versions on my device are as follows.6509 Cat OS = 7.4(3)MSFC IOS = 12.1(4)E1I upgraded the MSFC to the new...

Let me start by saying that I am very inexperienced with Cisco routers. I have two remote users (Howard and Gary - me) who dial into our central site which has an 801 ISDN router. Originally, one remote user had a 761 router and the other an 801. A c...

Hi AllLet me explain my problem actually we have two different networks which are connected to separate fast ethernet interface on the router.One network blongs to our LAN and second network blongs to WAN(we have some application servers on the wa...

Hi, Can any one explain why broadcast is needed in LAN Network.

I am configuring a new vlan for my company. The vlan that I have created is shutdown even though I have issued a no shut on the vlan interface.Any suggestions ?

Hi!Anyone know how optical power of GBIC modules reduce after year or more year of work?From my experience with equipment of another vendors about 1-2 dbm per year What about Cisco?thx

I am trying to redesign the infrastructure for my company (been here 3 months). I have to ISPs ATT (1.54) UUNET (1.54) which terminate into separate 2600's with WIC 1DSUT1. I will be installing a failover PIX configuration between the ISP routers and...

i do have this module ws-x6348, CATos 7.2(2). This module do hang without any reason, LED in green color. Need to do hard reset before it work again. logging buffer show nothing weird..did some one experiend this..any reason with this problem.

This relates to the previous question about blocking DHCP requests/traffic across a Cisco 2611xm router.HELP!!!! I just applied the ACL to the two FE interfaces and I've lost my connection to the router and can't get back in!!What I did was:1) In int...

I'm installing the entire suite of CiscoWorks 2.2 in this order:Common ServicesDevice Fault ManagerNetScout nGeniusResource Manager EssentialCampus ManagerI vaguely remember someone telling me one of those components needs to be installed on separate...