Adtran
Gigabit Switching Overview
by DougR on Oct.08, 2008, under Adtran, Ethernet, Extreme, General, Hardware, Juniper
As data rates increase in the Enterprise LAN 10/100 or Fast Ethernet is quickly being moved out and replaced with Gigbit switching. Some manufacturers and lines do not even offer a 10/100 product. Below is a quick overview of the Gigabit offerings available today from manufacturers Catalyst distributes.
Double your bandwidth for free with 802.3ad
by DougR on Sep.24, 2008, under Adtran, Best Practices, Ethernet, Extreme, General, Juniper
Increasing bandwidth is a constant battle faced by every IT department. What happens when a high capacity server is hitting the limits of a single Gigabit link. What happens when 10G is not an option, but 1G is not enough. Simply connecting another cable is not the answer. The result will be a total loss of the network or a nice workout for your spanning tree configuration. The answer comes from the 802.3ad specification, or Ling Aggregation, LAG for short.
Catalyst ConfigTool 4.0.6 Avaliable
by Ross Kennedy on Jul.15, 2008, under Adtran, Aruba Networks, Avaya, Extreme, IP Office, Juniper, MultiTech, Polycom, SonicWall, Spectralink
The Catalyst ConfigTool version 4.0.6 is now avaliable. It can be downloaded from the CatalystTelecom web site. See below for additions/changes/fixes.
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Alternate TFTP Servers
by DougR on Jun.24, 2008, under Adtran, Avaya, Best Practices, Extreme, General, IP Office, Juniper, Quick Edition
TFTP servers are integral to upgrades on many platforms. On the Avaya IP Office, many times the Manager program acts a TFTP server, but is limited in capacity. Here is a list of free TFTP servers that can help with file transfers via TFTP.
Which Firewall/VPN device is best for you?
by Ross Kennedy on Jun.16, 2008, under Adtran, Firewall, Juniper, SonicWall
Picking the correct VPN solution can be a time consuming and frustrating task at times. Below are the Firewall/VPN vendors that CatalystTelecom carries and what they have to offer.
Differentiating Firewalls and Routers
by DougR on May.21, 2008, under Adtran, Juniper, SonicWall
Many of the same features exist on both Firewalls and Routers. There is a broad range of overlap in the services offered on each product. Many times the vendor of a router will also manufacture firewalls.
- Both have routing protocols like BGP, OSPF, RIP, and Static routes.
- Both have Access Control Lists (ACL) and Address Translation (NAT/PAT).
- Both can have multiple Physical Interface Modules for connectivity to WAN services.
- Both have robust VPN capabilities.
So what makes the difference? How does one determine whether to install a firewall or router in a given scenario?
