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About

Internetworking Expert Hints is a personal web site of Ivan Pepelnjak, focusing on advanced internetworking topics, including unusual or under-documented features of Cisco IOS, the software running on routers and switches produced by Cisco Systems.

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Workshops and tutorials

Author

Ivan Pepelnjak, CCIE No. 1354, has been designing, installing, troubleshooting, and operating large service provider and enterprise WAN and LAN networks since 1990 and is currently chief technology advisor at NIL Data Communications, focusing on advanced IP-based networks and web technologies.

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Latest blog posts

• Borderless Networks, Take Two

• CLNS and CLNP

• Do you use MPLS to transport Internet traffic?

• More details: Seven IPv6 myths

• SNMP over XML over HTTP?

• Building IPv6 Service Provider Core: Follow-up questions

• The cult of busy

• Secure BGP

• New webinar: Building IPv6 Service Provider Core

• CRS-3: The marketing flop of the year

Latest Wiki entries

• Image:QPPB MPLS VPN.png

• Template:Sidebar/NAT

• Template:Sidebar/RIP

• Template:Sidebar/IS-IS

• Template:Sidebar/OSPF