Other Network Architecture Subjects

I think, route health injection is a very good idea for telecom application, and help to switchover HSRP switch and router when a application Back-end server fails down. I want to know if cisco's going to implement this feature in Cisco high-end swit...

hi!What's the different between unicast and multicast?any simple explanation? Thks!

As a precursor to an enterprise QoS Deployment (1721s at the remote sites/12.3.6), we are using, and graphing NBAR stats. The problem was first noted in that the graphs showed zero output traffic.When I looked at the NBAR stats, I saw that all outpu...

Just want to confirm the following that if using port-channel and netflow enabled on individual interfaces: we only see input traffic in netflow as input on physical interfaces and output traffic only as the port-channel interface. Is this some limit...

Hi!I have a Cisco 1721 (12.2(11)T8) with 1 fastethernet and 1 serial interface. I need that when fastethernet goes down, the serial goes down too. Does any feature on cisco routers do it ?Tks.

I have about 30 devices of different types which are in the "Not Responding" category under Import Status.Using "Management Station to Device" testing gives green "OK"s for SNMPR, SNMPWR and Telnet, but says that the device is "DOWN""Show Details" fo...

I have this situation. We have a 4xMSFC in the main office on which we configure hsrp to one address using 1 MSFC as active and 3xMSFC as standby and this is ok. The main Core Switch is the VTP Server.I have extended the main office to a branch offic...

Hi all,I have many Cat3524 Switches, Version is IOS (tm) C3500xl Software (C3500xl-C3H2S-M), Version 12.0(5)WC5, RELEASE SOFTWARE (fc1)Suddenly, The Vlan 1 IP address and the enable password is changed . Someone might change the configuration. The ot...

Hello All:Quick question. I have what I believe to be a config problem on either one of my routers or firewalls. Trying to figure out which.My question is this. If I clear the arp cache on the router handling internal routing, and then do a sh arp a ...

Hello,I was wondering if its possible for 6509 switchport to limit its throughput? I can set the port speed to 10 or 100, but can I set it to use, for example 1 Mbps? Thanks,JA

It appears I have a device with a misconfigured IP address in the form of 192.168.0.x on one of my various WAN links. I found the issue because my dial backup using 192.168.0.0/24 has started coming up every 12 minutes when a packet from my core DNS...

I have the following output from a debug arp: Nov 19 12:05:25.509: IP ARP: creating incomplete entry for IP address: 10.1.3.43 interface Vlan300 Nov 19 12:05:25.509: IP ARP: sent req src 10.1.3.3 000d.6649.bffc, dst 10.1.3.43 0000.0000.0000 Vlan300 N...

I found that there are redundant variables in Catalyst 4507 series;--------------------------------------"cieIfInputQueueDrops" "1.3.6.1.4.1.9.9.276.1.1.1.1.10""cieIfOutputQueueDrops" "1.3.6.1.4.1.9.9.276.1.1.1.1.11"-------------------...