Switching

hi.. everyone.. pls help me, i need some clarification to choose router for my LAN network. i have using 2 ISP link and Bandwidth nearest of 300 Mbps. total end user above 800. we planned router for only data usage not a security and voice purpose. w...

Hi! I´m having stability issues with a multipoint GRE arquitecture. Everything connects fine but after a while everything loses connectivity. I try this by pinging tunnel interfaces. I left it pinging for a while and suddenly they become back online ...

Hi, for a special testcase I wonder wheter there is a possibility to configure a port on a Catalyst 4500x to flap for a certain time or until configuration is removed. One possibilty would be to configure udld and use errdisable recovery, but the sm...

I have a pair of 6880XL with several C6800IA-48FPDR. They are configured as FEX with two uplinks per FEX. The problem is that the fiber links are of poor quality, and it appends that the interface on the FEX goes in err-disabled state. As soon as it ...

Hi All, I am working on the task of enabling a layer 3 netflow feature between two data centers. Purpose of this task is to collect the aggregate data information flowing between DCs trunk link. Below is DC link how its look like with vlan passed ove...

hi.. pls assist me, which one model switch suitable to my branch office network. before that, generally what kind of parameters we should consider to choose switch (core level) for our network. my office strength, end user - above 500 server - 1 mail...

Hello, We have got some problem in our router (a 1841, IOS Version 12.4(15)T12), I activated the command "debug ip packet" (to observ nat translation) then the cpu became full (100%) and I wasn't able to reach the management IP of it. Afte...

Hi everyone ,      I configured  ip pim sparse-mode at a SVI ( vlan 10 )interface on  Catalyst 3750X switch ,  I found that all the hosts under vlan 10 can receive  the multicast traffic ,therefor  I enabled ip igmp snooping feature , but some illega...

Oh wise and wonderful Cisco Community...This should be easy, but I can't find a similar situation.  I have a single stack with 2-3750g-48ps switches and 1-3750x-24p switch.  I'm running c3750(?)-ipbasek9-mz.150-1.SE3.bin on all three switches.  I wan...

Thoughts and suggestions to this issue.  We just deployed some meraki's into our environment as depicted in the following topology that attached. configs on the Core: the same config is on g1/4/5 and g1/0/52 interface GigabitEthernet2/4/5 description...

Hi What is SME and where it fits in a production setup

I saw much DEAD memory is holding by Routekernel Process on my C4500. And recently received a lot of memory error. Do you have any idea for this issue? Should I reboot the router as it has been running over 1.5 year. <LOG> Dec 22 15:06:45.382 GMT: %...

Hi,  My apologies as I am new to CISCO networking in general.  I have the following scenario.  Equipment: A non cisco router which has to be used that provides 3 VLANS (10.81.0.*, 10.82.0.* and 10.83.0.*) accessible via a single Ethernet port for ...

I am facing an issue, not able add one switch in Monitoring and management tools. My observations are; 1: Not able to ping the management tools (Solarwinds, Ciscowors etc) from my switch.2: Trace route to any IP from switch is completing. But the tra...

Hi Guys, I have been investigating an issue for a month now and still can't figure out what the issue is. Basically we have clients connecting to a server on port 80 but 1% of the connections fail due to a socket error. The packet traverses as below ...