Switching

Are there interim releases to which I should upgrade before upgrading to current ios 12.1.22-EA10?

Hello group,I'm just getting back into routing after a 5 year absence. I'm looking for some sanity checks and a bit of help:The goal is to connect two internal LANs using a 2651 then control the traffic with access lists.I have two 10/100 Ethernet po...

I am using a CISCO 3550 Multilayer switch with theIOS version 12.1(11)EA1. I am configuring Virutal link with the following commands :**********************************************cisc0(config)#router ospf 10 cisco(config-router)# area 1.1.1.1 virtua...

I have cat 6509 with MSFC．MSFC is used to route traffic between VLANs. there are ip phones on the 6509. Myq question is do I need to configure qos on msfc, or just need configure qos on supervisor?

Does anybody know that L3 switch can put the voice packets into the proper input queuing based on dscp? As I know that L2 switch does this based on cos value. I have 2821 GW connects to 6500 IOS image switch. It's not dot1q trunk. so there is no cos....

I am setting up DHCP Snooping and I am looking at the configuration guide for the 6500 series switch. These are the steps that they show:Step 1 Add DHCP snooping to the VACL.set security acl ip acl_name permit dhcp-snoopingStep 2 Configure the VACL t...

Hello all, i'm trying to get the dot1p tagged frames on my wireshark , these frames are going out of my 440x controller that is connected through a trunk to my 3750 switch. When I enter the following CLIs:SW-3750-2(config)#monitor session 1 source in...

Hi,I wan to know if the safety certification at the catalyst 3560 is the same to catalyst 3750?im looking at the table 5 in specification , 3560 is certified with first edition, and 3750 with third edition.i really want to know if the catalyst 356...

If a 3550/3750 switch is not qos enabled and IP phone connects to it. How does it happen when packets arrive on the outbound interface to wan(dot1q between them):1. dscp reserved?2. how about cos? since no qos enabled, switch won't look at the defaul...

What would happen, if I had a port configured with: switchport access vlan 191but do not have the command:switchport mode access?

Hello, I am running a 6513 with a Sup 720 and several different types of linecards. On several modules in particular we have jumboframes enabled on various ports. The model of these modules is WS-X6748-GE-TX. For example here is a port config --!inte...

Imagine I have (2) 3750 switches, stackwise configured on a redundant fashion.Currently, a server has the following configuration:As is now:Device1-NIC1 = IP:150.30.10.1/24Device1-NIC2 = IP:150.30.10.2/24Imagine such devices which will be connected t...

I am running Catalyst 5500. Recently one problem has been observed that whenever a connected devices goes OFFLINE, the port status also goes no NOTCONNECT status. BUT When the devices comes back ONLINE, port status does not changes until switch is no...

I am having trouble obtaining SDM Express. I get to a screen that reads "please wait" and nothing happens. Has anyone encountered the same problem?