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Can you run HSRP with four L3 switches(1 active and 3 standbys)? How can I load balance between them? I'm assuming that that a routed connection would be required between the L3 switches correct? thanks.

Resolved! ifinunknownprotos

I am a Network Performance Manager for a large network. We recently were having problems with DTP packets from Cisco Switches causing ifinunknownprotos on the Cisco Routers. We have also identified ifinunknownprotos on the Cisco routers from Juniper ...

jdreed by Level 1
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  • 4 replies
  • 0 Helpful votes

Hi, I'm trying to find a documentation on how to configure the Catalyst Express 520. Things such as changing the spanning-tree priority, configuring etherchannel and so on. Where can I find it?

ninakada by Level 1
  • 338 Views
  • 1 replies
  • 0 Helpful votes

Hi,Anyone see what I'm doing wrong here?interface FastEthernet0/0......ip policy route-map mytestroute....access-list 164 permit tcp host 192.168.1.20 any!route-map mytestroute permit 10match ip address 164set interface Dialer0!route-map mytestroute ...

l33h3lluk by Level 1
  • 532 Views
  • 5 replies
  • 0 Helpful votes

Hi Group, I have a query regarding DHCP conflicts. One of our customer is using Cisco 4500 switches in Core/Distribution and these switches are running DHCP service as well. There is one DHCP Pool configured for IP Phones (172.21.17.0/24). Yesterday ...

rmujeeb81 by Level 1
  • 576 Views
  • 4 replies
  • 0 Helpful votes

I did a software upgrade on few 3750 via the UTP cable and TFTP but all of them are having the same issues. It seem like the packet keep dropping and it take a very long time to upgrade. 3750#archive download-sw /overwrite tftp://11.11.11.11/c3750-i5...

Hi every one.first let me show you my network 6509-->ISG2000-->7606 consider taht conection between isg and 7606 is via layer 2 interface.my problme is...>first based on my network traffic i mark my packets with af11..21...31 in 6509 and then 6509 pa...

I am working on a paper for school and one of my instructor is asking what would be the point of using a 3560 and two 2950 switches to support a 3 floor installation. I had read somewhere on this site that using the two together had benefits, howeve...

pintomark by Level 1
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  • 7 replies
  • 0 Helpful votes

Hi,Is it possible to do PBR based on route tags or other attributes related to prefix?My understanding is that we can do PBR only with attributes related to packet like IP precedence, packet length etc as for doing PBR device will check packet field...

souagarw by Cisco Employee
  • 467 Views
  • 2 replies
  • 0 Helpful votes

Could somebody please explain what may cause an input queue on an interface to have drops?If the interface that the packet needs to be switched to is busy does the interface put it into an Input queue or does it switch it to the busy interface which ...

Can anyone tell me, how a router deals with IP and MAC adresses when routing?Lets imagine, there is a router with 2 interfaces: 192.168.1.14 and 192.168.2.14 with MAC addresses A and B respectively. There are two computers C and D with ip addresses ...