Switching

I was trying to use Dynamips to verify it, but Dynamips was running too slow on my computer. Can someone please verify if what I plan to do works?Site A ----------- Site BBoth have WAN links into the cloud, running EIGRP with all other sites and wit ...

our network went down, upon checking got this error message from the switch:%SW_MATM-4-MACFLAP_NOTIF: Host 0024.0000.0000 in vlan xx is flapping between port Po1 and port Gi0/1found a recommendation from cisco saying "check configuration of data forw...

Hi All,Sorry if this thread sounds familiar as I am sure it is.I am trying to implement policing on some ports on a 3560 to limit the amount of bandwidth a client can send into our network. Pretty stock standard stuff.My problem is that the policy ma...

I have two SR520 routers, one at the main office and one at a remote office connected together with an ipsec vpn. All is good. Now, how do I get remote traveling laptops to connect via a vpn also???

Imagine that I have ApplicationCritical devices on SwitchA, Vlan 300. SwitchA is connected to Layer3Switch via trunk.Then NonCriticalApplication devices are connected to SwitchB, Vlan 300. SwitchB is connected to Layer3Switch via trunk.Devices on Swi...

I'm routinely seeing CPU spikes due to CEF process on one of my 6509s. I was wondering if anyone has some more information on the CEF process and what might be causing the issue. The sup is a 720-3BXL with a MSFC3 running Cat IOS 12.2(18)SXF6. I'v...

I have one 3845 router each in site A and B. They have primary connection through WAN cloud and also GRE tunnel over IPSec in between as backup. WAN side has EIGRP and the tunnel has OSPF. Within each site, internal routing is OSPF too.For some reaso...

Hi all,I need to do a PBR on a 3750.My question is, can the 3750 handle the following config-sample (CPU):Only the internet traffic should match the PBR (the permit in ACL). The local-routing should be handle as usual (the deny in ACL)ip address exte...

Recently we have run into problems with port security when a PC is replaced. I have cleared the mac address table in the interface, cleared the sticky address, shut, no shut, removed, and readded port security. The PC will grab an IP address when p...

Hi AllSo, I need to measure rtt levels between two devices and trap when it is too high. Sounds like a job for IP SLA right. I am trying to do this on a 7200 and a 6500. When the threshold goes above 30ms I want to send an SNMP trap with custom tex...

If write a Extended or Standard ACL on a router , mentioning 5 lines including deny or permit ip traffic, at the end of ACL if i forget to write permit ip any any . whether it will assign deny ip any any as default command at the end of ACL or perm...

Hi all.Strange issue with PXE boot.Problem:3750 Series running (C3750-IPSERVICESK9-M), Version 12.2(50)SE3.VLAN INFO:VLAN1 = High school dataVLAN208 = Middle school dataVLAN209 = Elem school dataIP helpers for both PXE server and DHCP server in all v...

Hi Friends,I have two 6509 Switches at the Core working redundant to each other. My servers would be directly connecting to one of the module in the Core. I have some application servers which are using Microsoft NLB. As of now they are connected to ...

I just purchased a 520 to add to my basic small business network mainly for the PoE. I have a router at 192.186.1.1 then I want my switch. I'm trying to setup the switch following the instructions included. I get to the Static IP...what should I p...