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QoS usefulness

Hi Guys, I have a question about QoS deployment in a network. I have recently started working for a project network where they don't have QoS configured at all. As a best practice, I was about to suggest QoS configuration in this network. Current Net...

police/shape with policy-map

Hello,Is there any difference between the following configuration :police 10485500 1966080 3932160 conform-action transmit exceed-action droppolice 10485500 1966080 3932160Which one is recommended ?I have a Catalyst 4900M switch on which I can apply ...

sebastien3 by Participant
  • 3 replies
  • 0 Helpful votes

UDP Communication and MTU/MSS Size

PC A has a 1500 byte MTU size and 1460 byte MSS size. PC A needs to send 9000 byte of data to PC B. PC B has a 1400 byte MTU(I am not 100%, but I heard MTU size can be changed) size and obviously 1360 byte MSS size. PC A will segment 9000 byte of dat...

error message upgrade ME3800 cisco

Hello   i want to upgrade ME3800 to me380x-universalk9-tar.156-2.SP8  so with this command : archive download-sw /overwrite tftp:// ===> : @ip de platform  cisco prime it show me error message  ...

Access Point on Trunk port Switch

Hi all,I have a problem connecting my access point to Cisco switch with multiple SSID. I have two SSID with VLAN 10 and 20. On my router, I have three dhcp pool MGMT, VLAN10 and VLAN20. A switch is connected to router by Trunk mode and connected to a...

MYazdian by Beginner
  • 7 replies
  • 0 Helpful votes

Resolved! Error opening tftp (Timed out)

Hello,I installed a new router and trying to backup the initial configuration to our tftp server. But getting the error " %Error opening tftp:// (Timed out)"I can ping the tftp server from router. There is no firewall in be...

Yadhu Tony by Beginner
  • 109 replies
  • 10 Helpful votes

Resolved! Replacing a 24 port switch with a 48 port.

Hello. I had a switch completely die on me. This is a first for me. It's a 24 port 3750. I only have 48 port 3750's around here that I can replace it with. I tried copying the config directly to the new switch and I'm using the same network module th...

surgebot by Beginner
  • 3 replies
  • 5 Helpful votes

Reset Catalyst Express 520 Login

Just purchased a used Reset Catalyst Express 520 from eBay. Vendor did not reset login back to default and doesn't know the current login credentials. Seems to be running fine. Boots up. I can get an ip address from it and can ping the device. When i...

How to distribute static route via OSPF

Hello Everyone,We have a 14 offfice MPLS network.  All offices have Cisco 3750s running OSPF which replicate route tables via our providers BGP peers.   I am introducing a new network in our SF office which is not directly connected so in SF we have ...

Resolved! SNMP trap

Hi, I am unable to remove the following commands from my Cisco 3750 running configuration. The best i can do is to run "no snmp-server", but that would disable all my other snmp queries to the switch. The strange thing is when I perform "snmp-server ...

Is an ERSPAN loop possible ?

We have two routers (Nexus 9k), router A and router B. Currently, we have one monitoring node connected to router A, and we're running an ERSPAN session from router B to router A to copy traffic of specific vlans (let's say vlan 100). Then router A s...

pHz by Beginner
  • 1 replies
  • 0 Helpful votes