Switching

Hi there,We have a live stack with 4 Cat 3750 switches of mixed varieties.  Switch 1 crashed the other day and didn't come back up.  A power reset brought the switch online again, and switch 2 is now running as the stack master.  We are going to repl...

Can anyone say if the uplinks on this model can support bith copper/Ethernet cable connectivity and fibre connectivity?

I have a cisco 877w and ive setup two ssids on it each with different vlans (I intend to use the zone based firewall to lock down the guest zone later) the wireless connection is working and i can ping the entire network (because of the 10.0.0.10 int...

My thread is more about "best practice" than how to do something. If you're posting a response I'd appreciate if you have any White Papers that you could post as well, but I trust the commuities oppinons as well!I have a site that is very dense, but ...

hi , ihave a router that has  a defualt route to another router and the users connetc the router as pppoe client .as we know , in this case it is god to put null 0 route on the router to prevent loops .i typeddebup interface null0 and i made aping to...

Hello,we can't start WS-X6708-10G-3CXL on WS-C6506-Ehere is more info:SW0#sh verCisco IOS Software, s72033_rp Software (s72033_rp-ADVIPSERVICESK9_WAN-M), Version 12.2(33)SRA7, RELEASE SOFTWARE (fc2)SW0#sh moduleMod Ports Card Type                    ...

Hi,I have some doubts regarding the interaction of a switch running MSTP (802.1 S) with other switches running legacy 802.1D and 802.1W.Lets say S1 running MSTP is connected to S2 and S3 via ports 1 and 2 with S2 running 802.1W and S3 running 802.1D....

wrt160n router doesn't wanna seem to broadcast the internet signal. Resetting and unplugging doesn't work. ---Posted by WebUser Santino Tino from Cisco Support Community App

Can we have multiple Native VLANs configured on a single switch(if we have to) on multiple trunks ?---Posted by WebUser Cisco NetPro from Cisco Support Community App

Hi,we are bringing up new ckt and nexus 7000's interface isn't coming up once telco gave a loop. and wee following msg when I do "sh int eth1/1".(UDLD Tx Rx loop, port: error)what does "(UDLD Tx Rx loop, port: error)" it mean?before loop. interface w...

q1. Recently i came to know to about vlan brdiging. i was told that suppose i have two ports say 1 and 2 belonging to vlan -x .now i have two other ports say 3 and 4 belonging to another vlan -y. now i have a pc connected to port 1 and another in por...

i need to know about situation that i need connection between SFP+ with X2.i have 4849 E-F and it just support SFP+ and in otherside i have 6509E and i can no find any Line Card with SFP+ Support and i should use 10G connection between them .Please s...