Blog Posts in 2010
December 2010
- Articles I wrote for TechTarget (30 Dec 2010)
- Cleaning the Inbox: Generic IT (24 Dec 2010)
- Cleaning the Inbox: Internet-related Links (24 Dec 2010)
- Cleaning the Inbox: Data Center, Storage, Virtualization (23 Dec 2010)
- Can You Run OSPF over DMVPN? (22 Dec 2010)
- MLAG and Load Balancing (21 Dec 2010)
- Cleaning the Inbox: Networking Links (20 Dec 2010)
- Internet-related links (2010-12-19) (19 Dec 2010)
- Random career advice from the ivory tower (17 Dec 2010)
- Yearly subscription to my webinars (16 Dec 2010)
- Where Would You Need GRE? (15 Dec 2010)
- HP Virtual Connect: every vendor has its own dinosaurs (14 Dec 2010)
- DHCPv6 IA_PD relaying works with 12.2SRE2 (13 Dec 2010)
- How much IPv6 address space should a residential customer get? (10 Dec 2010)
- Multi-Chassis Link Aggregation (MLAG) and Hot Potato Switching (08 Dec 2010)
- CLNP and the Multihoming Myths (07 Dec 2010)
- Can we go back to CLNP? (06 Dec 2010)
- Another security product killed (05 Dec 2010)
- Chinese BGP incident: was it a traffic hijack? (03 Dec 2010)
- Small Site Multihoming in IPv6: Mission Impossible? (02 Dec 2010)
- Internet peering disputes: follow the money (01 Dec 2010)
- Requirements for IPv6 in ICT equipment (01 Dec 2010)
November 2010
- FCoE between data centers? Forget it! (30 Nov 2010)
- VMware Virtual Switch: no need for STP (29 Nov 2010)
- Cisco IOS Login Enhancements are not IPv6-aware (26 Nov 2010)
- Content over IPv6: No Excuses! (25 Nov 2010)
- IPv6 in Data Center: after a year, Cisco is still not ready (24 Nov 2010)
- Time-Based Static Routes (22 Nov 2010)
- Confusopoly (21 Nov 2010)
- FCoE, QCN and Frame Relay analogies (19 Nov 2010)
- Nexus 1000V: another IPv6 #FAIL (18 Nov 2010)
- Does FCoE need QCN (802.1Qau)? (17 Nov 2010)
- Data Center Bridging (DCB) Congestion Notification (802.1Qau) (16 Nov 2010)
- vCloud Disruptiveness: Nothing New (15 Nov 2010)
- DHCP the Microsoft way: almost standard (12 Nov 2010)
- vCloud Director: hand the network over to server admins (10 Nov 2010)
- VPLS is a technology, not just a service provider offering (09 Nov 2010)
- IPv6 Addressing: How Wrong Can You Get It? (08 Nov 2010)
- Solving the MPLS/VPN QoS Challenge (05 Nov 2010)
- What is MPLS-TP and is it relevant? (04 Nov 2010)
- External Brains Driving an MLAG Cluster (01 Nov 2010)
October 2010
- Interesting links (2010-10-31) (31 Oct 2010)
- DHCPv6 relaying: another trouble spot? (29 Oct 2010)
- DMVPN Scalability (28 Oct 2010)
- DHCPv6 over PPPoE: Total disaster (27 Oct 2010)
- Solution: EIGRP Summarization Breaks Phase 2 DMVPN (26 Oct 2010)
- QoS over MPLS/VPN Networks (25 Oct 2010)
- Yes, it's still the same blog (23 Oct 2010)
- Coping with long-distance vMotion requests (22 Oct 2010)
- EIGRP Summarization in DMVPN Phase 2 Networks (21 Oct 2010)
- Data Center Interconnect (DCI) encryption (20 Oct 2010)
- Multi-chassis Link Aggregation: Stacking on Steroids (18 Oct 2010)
- PFC/ETS and storage traffic: the real story (15 Oct 2010)
- PPPoE Testbed (14 Oct 2010)
- Ethernet versus FC: surfer versus banker (13 Oct 2010)
- Ethernet inter-frame gap: Another living fossil? (08 Oct 2010)
- DMVPN: from Concept to Pilot in 36 Hours (07 Oct 2010)
- Multiple EIGRP Autonomous Systems in a VRF (04 Oct 2010)
- Interesting links (2010-10-03) (03 Oct 2010)
- Multi-Chassis Link Aggregation (MLAG) Basics (01 Oct 2010)
September 2010
- Introduction to 802.1Qaz (Enhanced Transmission Selection – ETS) (30 Sep 2010)
- FCoE Quote-of-the-Day (30 Sep 2010)
- What exactly is a Nexus 4000? (29 Sep 2010)
- ATAoE: response from Coraid (28 Sep 2010)
- DMVPN: Non-Unique NHRP Registrations (27 Sep 2010)
- Hiding documentation ... will they never learn? (24 Sep 2010)
- Setting access lists with RADIUS (22 Sep 2010)
- Advanced DMVPN Webinar: Router Configurations (21 Sep 2010)
- Multihop FCoE 102: VN_port proxy and FIP snooping (20 Sep 2010)
- Virtualization links (2010-09-19) (19 Sep 2010)
- Net Field Day 2010 – first impressions (18 Sep 2010)
- ATAoE for Converged Data Center Networks? No Way (17 Sep 2010)
- Storage networking is like SNA (15 Sep 2010)
- Long-distance vMotion and the traffic trombone (14 Sep 2010)
- IPv6 SP Core webinar: router configurations (13 Sep 2010)
- vMotion: an elephant in the Data Center room (10 Sep 2010)
- Introduction to LISP (09 Sep 2010)
- Introduction to 802.1Qbb (Priority-based Flow Control — PFC) (07 Sep 2010)
- DCB and TRILL have nothing in common (06 Sep 2010)
- Virtual aggregation: a quick fix for FIB/TCAM overflow (03 Sep 2010)
- RIBs and FIBs (aka IP Routing Table and CEF Table) (02 Sep 2010)
- The IPv6 “experts” strike again (01 Sep 2010)
August 2010
- BGP: time to grow up (31 Aug 2010)
- Multihop FCoE 101 (30 Aug 2010)
- Interesting links (2010-08-29) (29 Aug 2010)
- Storage networking is different (26 Aug 2010)
- FCoE and DCB standards (25 Aug 2010)
- Tweak the Search Engine rankings to push IPv6 (24 Aug 2010)
- Interesting links (2010-08-21) (21 Aug 2010)
- More IPv6 FUD being thrown @ CFOs (20 Aug 2010)
- I Don’t Need no Stinking Firewall ... or Do I? (19 Aug 2010)
- Port or Fabric Extenders? (18 Aug 2010)
- Packet Filters on a Nexus 7000 (17 Aug 2010)
- WAF musings ... not again? (16 Aug 2010)
- Interesting links (2010-08-14) (14 Aug 2010)
- Deploying IPv6 article @ SearchTelecom (13 Aug 2010)
- Vendor performance tests (11 Aug 2010)
- To WAF or not to WAF? (09 Aug 2010)
- Interesting links (2010-08-08) (08 Aug 2010)
- How many large-scale bridging standards do we need? (06 Aug 2010)
- Look beyond your cubicle (05 Aug 2010)
- Rest in peace, my WAF friend (04 Aug 2010)
- EIGRP Myths Debunked (03 Aug 2010)
- TRILL and 802.1aq are like apples and oranges (02 Aug 2010)
- Interesting links (2010-08-01) (01 Aug 2010)
July 2010
- TCP/IP is like a mainframe ... you can’t change a thing (30 Jul 2010)
- Use BitTorrent to update software in your Data Center (28 Jul 2010)
- P2P Traffic and the Internet, Part 2 (27 Jul 2010)
- P2P Traffic Is Bad for the Network (26 Jul 2010)
- NAT444, DS-Lite, A+P and NAT64 explained (23 Jul 2010)
- Bridging and Routing, Part II (22 Jul 2010)
- Why Is TRILL Not Routing at Layer-2 (21 Jul 2010)
- Server Virtualization Has Totally Changed the Data Center Networking (19 Jul 2010)
- Broken promises (17 Jul 2010)
- Bridging and Routing: Is There a Difference? (14 Jul 2010)
- Bridges: a Kludge that Shouldn't Exist (12 Jul 2010)
- FeedFlares are gone from my blog (11 Jul 2010)
- The summer is here! (10 Jul 2010)
- What’s the difference between IP and MPLS? (09 Jul 2010)
- Pinging from an EEM applet (07 Jul 2010)
- EIGRP Offset Lists (06 Jul 2010)
- DMVPN: Fishing Rod or Grilled Tuna? (05 Jul 2010)
- DNSSEC ... finally! (01 Jul 2010)
June 2010
- Book review: Securing the Borderless Network (29 Jun 2010)
- uRPF Violation Logging Is Not Working on 12.4T (28 Jun 2010)
- Easy deployment of IPv6 content (25 Jun 2010)
- Where would you need bridging in the Data Center (24 Jun 2010)
- Tunnel Route Selection and DMVPN Tunnel Protection Don’t Work Together (23 Jun 2010)
- Manipulating EIGRP Metrics (22 Jun 2010)
- DMVPN Phase I overview (21 Jun 2010)
- Worse is Better (20 Jun 2010)
- Interconnecting two core switches (19 Jun 2010)
- DDoS chow on Packet Pushers (17 Jun 2010)
- BFD Has Reached RFC Status (16 Jun 2010)
- Network boot using IPv6 and/or DHCP patented (15 Jun 2010)
- The need for Internet data caps (14 Jun 2010)
- Off-topic: Readability (13 Jun 2010)
- Matrix management (11 Jun 2010)
- Multi-topology IS-IS (11 Jun 2010)
- The thrills of TRILL (10 Jun 2010)
- The integration layer (09 Jun 2010)
- IPv6 autoconfiguration: too many cooks spoil the broth (09 Jun 2010)
- EIGRP MTU “metric” (08 Jun 2010)
- Slovenians presenting leading-edge IPv6 @ Google (07 Jun 2010)
- Why does Microsoft prefer iSCSI over FCoE? (03 Jun 2010)
- Is NAT64 a subset of NAT-PT? (01 Jun 2010)
May 2010
- Update: IOS Release Numbering (27 May 2010)
- The first step on the path to CGv6 (25 May 2010)
- iSCSI: Moore’s Law Won (24 May 2010)
- Should the managers know how to ...? (21 May 2010)
- Update: Make FTP server slightly more secure (17 May 2010)
- FTP: a trip down the memory lane (14 May 2010)
- E-book saga continues: HTML scraping (13 May 2010)
- CGv6 – how real is it? (12 May 2010)
- The role of NAT in transition to IPv6 (11 May 2010)
- Tunneling VPNs and Zone-Based Firewalls (10 May 2010)
- Fast static route convergence (07 May 2010)
- Where could we expect to see Wimax? (05 May 2010)
- IPv6 myths are alive and well (04 May 2010)
- Possibility != Capability to Execute (as applied to cloud security) (01 May 2010)
April 2010
- And we thought BGP was insecure (30 Apr 2010)
- The Big Picture and my webinars (with a VPLS example) (29 Apr 2010)
- Networking is like physics or math, not history (27 Apr 2010)
- The Essence of Wireless (24 Apr 2010)
- ICMP extensions RFC (23 Apr 2010)
- Editing AS-path access lists (22 Apr 2010)
- Hammers and nails (21 Apr 2010)
- Off-topic: Maybe it’s you, not the Internet (17 Apr 2010)
- Thank you for all the webinar help! (16 Apr 2010)
- Is anyone using MPLS/VPN over mGRE? (15 Apr 2010)
- Traffic grooming in optical networks (14 Apr 2010)
- Dear Cisco marketing: routers are not iPhones (13 Apr 2010)
- Server-to-server file transfers with FTP (12 Apr 2010)
- L2TP: The revenge of hardware switching (09 Apr 2010)
- L2TP default routing: solutions (08 Apr 2010)
- Small Steps to Large Complexity (06 Apr 2010)
- New CCIE track: IOS Numbering (02 Apr 2010)
- RFC 5789: PATCH Method for HTTP (02 Apr 2010)
- Did you notice 15.1T is released? (02 Apr 2010)
- First-ever end-to-end optical traffic grooming with CRS-3 (01 Apr 2010)
March 2010
- MPLS TE Autoroute Fundamentals (30 Mar 2010)
- Upgrade, Reboot, Repeat (29 Mar 2010)
- The FTP Butterfly Effect (29 Mar 2010)
- Innovative coincidences (27 Mar 2010)
- IP Multicast is like Banyan Vines (23 Mar 2010)
- Poll results: Internet traffic transport options (22 Mar 2010)
- Off-topic: Sounding like the Tin Man (20 Mar 2010)
- Borderless Networks, Take Two (19 Mar 2010)
- CLNS and CLNP (18 Mar 2010)
- More details: Seven IPv6 myths (16 Mar 2010)
- SNMP over XML over HTTP? (16 Mar 2010)
- The cult of busy (14 Mar 2010)
- Secure BGP (12 Mar 2010)
- CRS-3: The marketing flop of the year (10 Mar 2010)
- Off-topic: The survey bias (08 Mar 2010)
- Anyone attending Cisco Expo 2010 in Slovenia? (06 Mar 2010)
- This is how you design a useful protocol (05 Mar 2010)
- Can you help me fix the webinar marketing? (04 Mar 2010)
- Lies, damned lies and independent competitive test reports (03 Mar 2010)
- QPPB in MPLS VPN (01 Mar 2010)
February 2010
- Electronic books: real-life data (28 Feb 2010)
- IPv6 Myths (26 Feb 2010)
- Highly recommended: Confessions of a Public Speaker (25 Feb 2010)
- Traffic management in Service Provider networks (24 Feb 2010)
- Understanding MSTP (23 Feb 2010)
- My customers are not interested in IPv6 ... what can I do? (12 Feb 2010)
- Client-side DMZ: virtualized browsers (08 Feb 2010)
- The death of Dynamips: they’ve got it all wrong (05 Feb 2010)
- Passive Optical Networks (03 Feb 2010)
January 2010
- Bug in EEM SNMP event detector (29 Jan 2010)
- Update: workaround for sluggish CB-QoS MIB (27 Jan 2010)
- IPv6 CPE router requirements (25 Jan 2010)
- IP over DWDM (22 Jan 2010)
- Cloud computing and public transport (21 Jan 2010)
- NAT-PT is totally broken in late IOS releases (19 Jan 2010)
- Rant: The long-term consequences of book piracy (15 Jan 2010)
- Weird GPRS and UMTS latency (14 Jan 2010)