Switching

Hello,I am trying to connect a 6509 switch to a 4503-E switch using single mode dark fiber over a distance of less than half a mile. Although a routine task, it does not work!Here is the scenario:We have a care 6509 switch where we concentrate all of...

The issue has been ongoing for maybe a year, which I believe is about the time  that QIP was replaced with InfoBlox.  The issue is that the clients prematurely give up their IP  addresses and ask for a new one, which the DHCP server hands out but the...

Hello,i have a big problem because i configure a vlans with vrf and HSRP but, when i do "show hsrp brief", dont show this interfaces and, i can ping virtual IP. it seems hsrp dont work.SWSERVSCAMILO_N7010_A# interface Vlan405  description smsc-fwatla...

I've had a read through the docs for the 3750 series switches, but nothing that definately says that jumbo frame routing will work on a SVI.One part specifically I'd like clarification on is:The default maximum transmission unit (MTU) size  for frame...

I have a aironet 1401n infrastructer connected to some Catalyst switches. My aironets provide multiple SSIDs, each to their own VLAN. Rather than setting up the switch ports to carry certain VLANs or be a switchport in access mode, I configured the p...

This is our topology:The two Nexus 7010 are our core switches. The two Catalyst 6509 "65-01" and "65-02" are our core routing devices. They provide the OSPF processes and standby groups for all our VLAN interfaces.VLAN 2 is our internet vlan. The ASA...

Hi I have a switch which is rebooting it self, we bought it a year back,its a new switch, i did not find any error on sh ver after rebooting.I am using OP manager, i did not receive any alerts.I have done all diagnostic test, all are passed, i did no...

hi ,im a beginner in isp  and have alot of users that connect internet by ADSL .i have a question :assume my router wich has bgp enabled R1 and R2 is the isp internet .R1------------------------------------R2 i have 100 M internet traffic avaialabe f...

Are all ports on Catalyst 4500X Gigabit/10-Gigabit or just the ports on 8-port module. We are looking at 4500X for campus distribution layer but need Gig ports to access switches for now and may year from now will be using 10G.

Dear experts,I dealing with Arcsight log analyser. My cisco components are catalyst, WLC, F/W & NAC.My issue is, I need to send information such MAC/IP log-in info from catalyst to Arcsight etc. How can I make sending info to be integrity & secure?Th...

HiHave got 2 6500 in VSS. I'm seeing unsual high output drops.IOS Version: advipservicesk9-mz.151-1.SY.binSeeing too much output drops on interface ( in millions). When checked buffers ( output pasted below), it also shows enourmous drops.Not too sur...