Switching

Hi, We got an issue with N7K. At lot of user around 10,000. The WLAN VDC connecting 4 of WLC5508 goes out of service. We'are holding a couple of N7K peering each other. We allocated a few port for this WLAN VDC. We can not even figure out what the r...

I saw some previous topics  regarding MSTP and  PVSTP interaction but I still have some uncertainties. Also I've read the "understanding MSTP article" from cisco's website. my setup i:c1 -----c2c1 needs to be root for vlan 1-20c2 root for rest of the...

I have a stack of six 3850 switches. One is in BUNDLE mode and the others are in INSTALL mode. How do I change the one switch so all are in INSTALL?Switch Ports Model SW Version SW Image Mode------ ----- ----- ---------- ---------- ----* 1 56 WS-C385...

Hi all !From several Cisco router (IPSLA sender) and whatever the target router (IPSLA responder receiver), the values regarding round trip time (RTT) are false (always equals to 1ms) as you can see below :---Round Trip Time (RTT) for       Index 71...

Overall, I'm having issues with a VLAN interface (let's say, vlan100) receiving an IP address through DHCP. The network topology is set up similar to this-[DHCPserver] - - - -((network cloud))- - - - [3650] -g1/0/1- - - - - - g1/1/1- [3650]Both inter...

Hi!We need to allow DNS Traffic from Lan to Wan network for our internal LAN Users through Cisco Router. May we have the lines to add in the router and do we need anything else to apply this access-list?Thanks.

My apologies if this should be in the WAN section, but I've been battling to make this work for some time, to no avail. I've tried what I feel is everything, so that's why I'm reaching out.Here's what I'm trying to do: create a home lab on different ...

I am trying to setup a static route on a ASA 5520  for the inside interface.Keep getting error " Cannot add route, connected route exists"The outside static route worked fine?ThanksDave

Hi i have 2 issue with Alcaltel IP phone an 2960 switch1) 2960X WS-C2960X-24PS-L all our switch are configured with the followinginterface GigabitEthernet1/0/1switchport access vlan dynamicswitchport mode accessswitchport nonegotiateswitchport voice ...

I have experienced lost packets of VME's based on VxWorks (CPU Motorola 167 and 2700) when they are connected into a Flexstack configuration using Cisco 2960s Switches . In all the VME's Console a message "arptnew failed on 0" appeared . Thanks 

Running 3750X with IP BASE. Anyways, I know I would probably need to go to IP Services but has anyone use VRF.Ques:1. How many VRF can I have? I assume 22. Anyone have sample configs as I want to run VRF in an inside cloud environment. I am new on th...

I have some 2960G switches that use an ACS server. When I try to connect to them using ssh I get the prompt and I usually have type to type my username, some seconds after the connection is lost. When I log using console, sometimes I type fast my use...

I’m having a major headache trying to get my Sons connected to my home network which also doubles into a Lab, I will go through the set-up options that I have tried and failed on every attemptMy home set-up is a follows: -Virgin Media Broadband in Mo...

Hi All,I have a 4948 running PIM and this is connected to a 3560 Layer 2. As the 4948 sends out PIM Hello messages the 3560 marks it as a DR and sends all it’s multicasts to the 4948. Can anyone help on how I stop the hello message getting to the 365...