Other Network Architecture Subjects

This weekend we spent hours trying to get 802.1q tagging to work on a VLAN with ShoreTel phones. The user interface on this switch seems to only allow "Cisco-Voice" VLAN, without any specifics. This didn't work. The specs on this switch say that t...

Anyone out there doing this? I can get the channel to come up, but the 3508 can only seem to pass traffic on whichever link of the two in the channel comes up first. The 2nd link shows no STP running as I expect it should (based on doing this betwe...

Hello, We have a WS-CE500-24PC (12.2(25)FY-CE500-LANBASE-M) that is crashing every day or 2, and we have no idea why. Date and time reverts back to default settings, however other settings such as Voice Vlan, and roles are maintained.The log is belo...

Hi,I would appreciate some advise on the following:Background:a cat6506 IOS 12.2(18).SXD3 is powered with redundant power supply(WS-CAC-1000W). currently, power supply 2 failed. From command, show power status all, it shows that the model of the powe...

Hi, I would appreciate some advise on the following: Background: a cat6506 IOS 12.2(18).SXD3 is powered with redundant power supply(WS-CAC-1000W). currently, power supply 2 failed. From command, show power status all, it shows that the model of the p...

Hi,I am working on a LAN Design that incorporates both Voice and Data and wondered if it is possible to have a switchport configured to be private VLAN and have a Voice VLAN configured as wellThanks

Hello,maybe somebody can help me. I have a c7206vxr router and it crashed with theattached dump. Can anybody tell me wherethe problem is? (the mainboard is an NPE-300 with 3 dimmmodules one 32 MB and two 128 MB) Thebandwidth points are ok.Thanks in a...

We have Cisco 3700 series router with 1 ethernet and 1 serial interface.We are going to make major changes in our production data center and it will take several days to be completed.What we'd like to do is to redirect all traffic to our production E...

Hi,My distribution router are cat 6509-SUP720-PFC3A. One of my distribution bloc is giving access to many small building over fiber link. In each building, I have a pair of 4912G serving as building root(SPT also). They are connected together and acc...

Anyone know what this command does or where it is docuemnted.Accidently typed it in. It is a non enabled command that appears to display some type of debugging information. If I had to guess it is ospf events but I cannot find anything to confirm t...

Hi, hope someone can help6506 chassis with 2 x 720 Supv engines. I want to configure with IOS operation. No IOS loades on Supv, they are still in the box, brand new. How to load IOS and what IOS for Adv Sec feature pack?RegardsIan

Hi all, Does anyone know that, how can SNMP trap the information(such as jitter, number of packet loss, process number of RTR) from a router enabled IP SLA/RTR?

I have two 1720 router one is connected to one ISP with 1024Kbps and the other have 512 Kbps. I have three unmanaglable switch. ONE Where the WAN interfaces are terminated and the intercases which require PubLic ips . IN the Other two swich all the s...

iam having problem accessing the sdm on 1841 isr. it is paasing the authentication part, but while opening the window of the SDM part, it gives me a window saying 'WARNING: SECURITY" and thereby no further details.i tried it from another laptop. It p...

We have a cisco 2801 router and CExpress500 switch. The router is connected to switch over the port role "switch" and native vlan no is 1. The router is configured as this:interface FastEthernet0/0 no ip address duplex auto speed auto!interface FastE...