Other Network Architecture Subjects

Hi, I have lot of severs that I monitor from one PC with many NICs. Now I have one new problem, I have one client network 192.168.1.0/24 and now I must add a newone with the same network 192.168.1.0/24.Now, servers have the same IP like 192.168.1.45,...

I want to link 2 switches that will do both LACP and PAGP. Is there any significant difference between them? Which should I use?

Hi All:We are budgeting an upgrade for our network - cisco 2940/2950 for the switch closets and (2) 4506 core(s)). The issue we are facing now is trying to decide which uplink cabling to invest in - fibre or cable. Right now, it would be $15k more ...

Hello All:Looking for some help. Network segmented into 1x and 2x ...with a 3620 router doing the routing in the middle. 1x and 2x both on their own switches...all is fine.Just added a 3x segment and firewall and the transfer rate to and from this 3x...

Hello,we're currently preparing some redesign of our network (Cat 6506, Cat 3550 and 3750 IP Services) using QinQ and MultiVRF CE and we'd like to use VLAN IDs above 1005 for routing in Layer 3 VPN. Catalysts mentioned above serve as VTP servers (the...

This is a question on how Spanning-Tree Root Guard works.First, root bridges are elected (or selected) on a per vlan basis. But Root Guard is implemented on a trunking port without any vlan information. So, how does root guard know which vlan to pr...

What effect will installing a NAM-2 module cause to a c6509 sup720 when heavily utilised eg capturing data from many ports/vlans.Are there any stats available for this?I ask the question because we're thinking of installing these in our data centre c...

I have a 3640 router (IOS 12.2(26)), which is passing subnet broadcasts even though I have these statements:no ip forward-protocol udp netbios-nsno ip forward-protocol udp netbios-dgmWe're trying to track down why some PC's are getting the standard W...

Anyone else seen this . Running Cat 6000 sup2 running 7.6.12 code . I copy the config into bootflash (default and non-default) . When I go to look at it with the "show file bootflash:filename" it will show like 1 page of the config and then just ...

Hi,Can anyone explain me about when using BVI interfaces?? Or if someone have an article about this topic.thanks and regards,

FolksJust want to know if anybody has tried to configured RSPAN in 2 6500 switches where 1 switch is running CatOS and the other is running IOS. I need to enable silent monitoring for an IPCC Express installation where the agents connected to the 650...

I read this article in the cisco curriculum, but I did not understand it well :" Occasionally, a device will malfunction and continually send out broadcast frames, which are copied around the network. This is called a broadcast storm and it can signi...

Hi all, I have a 4503 and some 4006s with WS-X4548-GB-RJ45 modules. I these switches I have servers connected via 1000BaseTX to the modules. The problem is that when I make backups (Gigas of info), the delay it takes is worrying and frustrating (it ...

Morning,Has anyone had any success with configuring a Catalyst 3750 with a Voice VLAN (Cisco phones) and 802.1x dynamic VLANs?Is a RADIUS server able to provide values to change the native vlan?Is there a decent tech note knocking about for configuri...