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.
Tag Archives: MTU
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 ››
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 ››
MTU settings on Junos & IOS (part 1)
I'm working on a Juniper rollout right now, and this network will need to interop with routers and switches from other vendors such as Cisco.
A mismatched MTU could result in something simple like an OSPF adjacency not forming, or cause layer-2 issues such as dropped frames. This post outlines the MTU configuration differences on Cisco … Continue Reading ››