MTU settings on Junos & IOS (part 5) with MPLS L2 VPN
This post follows on from part 4, but this time we'll be configuring a Layer-2 Ethernet to Ethernet MPLS VPN between the 2 CEs.
Category Archives: Cisco
MTU settings on Junos & IOS (part 4) with MPLS L3 VPN
I had only intended to do 3 parts to this series, but I can't really stop at part 3 (MPLS) without posting about how MPLS Layer 3 VPN affects MTU. In this post we'll build a simple MPLS VPN network and our goal … Continue Reading ››
CCIE recertified, CCDE Written Exam Review
This week I took the CCDE written to recertify my CCIEs. That chalks up 8 years now of being a CCIE.
Firstly, why did I recert? Ethan Banks recently wrote a great post "Is the CCIE Certification Losing value?" in which Ethan talks about his upcoming re-certification deadline, and if he'll take the exam or not.
I … Continue Reading ››
MTU settings on Junos & IOS (part 3) with RSVP MPLS/802.1q
Part 1 of this series focussed on the interface MTU configuration, looking how different vendors implement the setting. Some include the layer 2 headers, some don't. Part 2 looked at Jumbo Frames, IP MTU and OSPF. … Continue Reading ››
MTU settings on Junos & IOS (part 2) with OSPF
Part 1 of this series focussed on the interface MTU configuration, looking how different vendors implement the setting. Some include the layer 2 headers, some don't. Part 3 will add MPLS MTU to the mix.
This post looks at Jumbo Frames, IP MTU and we'll also introduce OSPF … Continue Reading ››