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     Hi expertsi saw that we can secure ripv2 via authentication (simple and MD5)i undertand that simple is not quite secure because we can see the plain text when capturing RIP packetshowever even with MD5 i can see the authentication data (output o...

ohassairi by Contributor
  • 1 replies
  • 0 Helpful votes

currently my network setup using a 4506-E core switches.Hsrp is running in between them.i have connected one websense server to the Active core switch and created a port mirroring on the same port.it is working fine.now the issue is when the core goe...

Hi Team,We are getting some repeated error logs like below.Please help us resolve this issue, is it any major error?????2013 Jan  8 22:26:56 NOSCPXX-NX7K001 %ARP-3-DUP_VADDR_SRC_IP:  arp [4234]  Source address of packet received from 0050.5697.018f o...

Hi Team,I am trying to install SFP-GE-T module on Nexus 5548UP Switch, but is giving the ‘SFP validation Failed’ error. The details of the switch is given below Model : N5K-C5548UP-FA The interface is configured with speed 1000 before inserting the m...

jojiv by Beginner
  • 2 replies
  • 0 Helpful votes

HiI have a 2911 router with 15.1(4) Ios Version. I need to enable the evaluation sna feature but when I try to enter the command "license feature snasw" but I get an error, the command "License feature" does not exist.ThanksSent from Cisco Technical ...

maybe someone has experience on this one:- I would like to create up to 200 GRE tunnels- traffic will be routed into the tunnels by means of policy routing- each tunnel bandwidth is about 10mbit/s- resulting in up to 2gbit/s GRE trafficit seems that ...

poeschger by Beginner
  • 3 replies
  • 0 Helpful votes

We have 3750G stacks that were recently configured with port-security mac-address sticky on all access ports.  A good question was raised about whether this is the best or not for our needs, seeing as half of our users use laptops/docking stations.  ...

cooperben by Beginner
  • 4 replies
  • 0 Helpful votes

Hi Folks,Have a small stack of two 3750 routers.  Get the following error message every few secounds: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 1 Switch 1 has changed to state DOWN %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 1 Switch 1 has changed to s...

Hi all, We are currently planning to deploy pfr in our environment. The ios that is currently being used is 12.4(15) on core 3845 router. i have read in my research that this ios version requires BGP or static routing only for the prefixes as shown b...

Jonn cos by Enthusiast
  • 1 replies
  • 0 Helpful votes

Does the USB console interface offer any new features that are not available to the standard Serial console interface that we all know and love?  I would think that Cisco wouldn't just add it just to add it, but I can't seem to find any information o...

All,We tried to move over our dhcp server to another server last night. The problem is that the server is on ( and the core switch's vlan 10 primary is on There are other secondary addresses on the same svi at

I have one switch 3750G12S I joined the company new, I found that they want to replace it with Alcatel stack switches.I didnt configure this Cisco switch before.I need some help on how to configure it.I have 4 other new cisco switches in the topology...