Weight Issues

In recent years, Data Centers have had to accommodate increasingly high structural loads. Data Center devices big and small have gotten heavier, putting greater strain on the rooms and buildings that house them. When designing your server environment, it is prudent to prepare for equipment that can...

Public Wireless LANs

Many public venues, such as airports, coffee shops, hotels, and convention centers, offer Wi-Fi access to the Internet. This form of network is often referred to as a public wireless LAN (PWLAN). PWLANs allow people who are away from their homes and offices to access e-mail, browse the Internet, and...

Wireless Best Practices

Cisco Architecture for Voice, Video and Integrated Data (AVVID) also contains details on best practices for wireless networks. As wireless networks grow around the globe, Cisco intends to ensure that you can connect wherever you are, 24 hours a day, thereby boosting your connectivity to the workplac...

Restricting Networks Advertised to a BGP Peer

There are three ways to filter routes in BGP. The first one uses extended access lists and route maps, as follows: Router1#configure terminal Enter configuration commands, one per line.  End with CNTL/Z. Router1(config)#access-list 105 deny ip host 172.25.0.0 host 255.255.0.0 Router1(con...

EIGRP Router-ID

EIGRP uses a concept of a representing each router with a router ID (RID). The EIGRP RID is a 32-bit number, represented in dotted decimal. Each router determines its RID when the EIGRP process starts, using the same general rules as does OSPF for determining the OSPF RID, as follows: Step 1. Us...

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