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Storm problem

Hi everyone, I've been troubled for a while with a storm problem that brings down parts of my network. The storm is triggered randomly during business and out of business hours. It is not a specific protocol storm (like arp), but it looks like everyt...

-Ypsilon- by • Level 1
  • 3761 Views
  • 10 replies
  • 0 Helpful votes

Resolved! Telnet - TCP , UDP ports

Unlike TCP connections, why can Telnet NOT be used to verify UDP connections?Why does the below command fail to show as connected even if there is a connection?C:\Users\ABC>telnet 10.0.0.1 169

grapevine by • Level 1
  • 25953 Views
  • 5 replies
  • 0 Helpful votes

Resolved! VTP Version upgrade

My network is currently using VTP version 1 with MST.  The switches are all VTP version 2 capable and some VTP version 3.  I want to upgrade to Version 3 (and version 2 for those not capable of 3).  Do I simply make a version 3 capable switch the Pri...

Resolved! How to clear previous username in SecureCRT

Hi, Whenever I launch CRT to log onto router and switches, I always get previous username. I need to remove every time. could you know how to remove the username, or keep my username and password ? In fact, I checked the box to save my password in th...

eigrpy by • Level 4
  • 3801 Views
  • 3 replies
  • 0 Helpful votes

Cisco Router Patching

We had an Audit of our system last week and the auditors requested the configuration of our routers.  We currently have an 1841 router at our location that is maintained by our ISP.  The configuration shows that it is running version 12.4 on its firm...

Router ROMmon download

Hi, i am looking for a way to download the currently running ROMmon image from a running router without rebooting it or disrupting its operation in any way.Is there any way I could access the ROMmon image from IOS and eventually download it? Any sugg...

Regarding the ip access-list logging

Hi All, I have one question regarding IP acces-list logging. I have block IP access of one server with the following command.deny ip host x.x.x.x any log (where x.x.x.x is the server ip). Now if somebody trying to ssh to the server SSH is denied but ...

Traffic Shaping on ME3600X

The Cisco ME3600X doesn't support ACL in an output policy-map.One of our requirements is to perform traffic shaping for an up-link communication between two switches.So instead, classification via QoS-Group was configured. Kindly see below commands: ...

Resolved! difference between vlan management ip address and switch default-gatway address....

what is the difference between management ip address and default-gateway according to the switch ? both are doing the same job, i.e. sends the frame into different network ! am I right ?Suppose a switch has vlan 1 management ip address,will it need d...

Resolved! native vlan

what is native vlan actually ? in which cases we can use it ? Example : switch 1 has two vlans namely vlan 1 and vlan 2, similarly switch 2 has two vlans namely vlan 1 and vlan 2. Each vlan has one host and both switches are connected with trunk link...

4500-X VSS Pair ISSU Questions

I'm trying to get clear on the syntax for doing ISSU on a 4500-X VSS pair. All the examples I see in the documentation seem to be about a 4500 multi-slot chassis, and I'm trying to understand the "command conversion" from a multi-slot chassis to two ...

jmeggers by • Level 1
  • 395 Views
  • 1 replies
  • 0 Helpful votes
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