Questions tagged [evpn]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1 vote
0 answers
623 views

VXLAN working over IGP, but no NVE peers or EVPN routes in BGP

I'm an absolute beginner with NX-OS and VXLAN. I'm trying to set up a very simple configuration for VXLAN/EVPN/BGP. I have one NX-OSv spine and two leaf switches. No VPC, no anycast SVI. The ...
user avatar
4 votes
0 answers
212 views

EVPN MAC Advertisement route not installed to L2 forwarding table

I have a VLAN-based EVPN connecting two sites in a lab environment based on the network topology described in the DAY ONE: USING ETHERNET VPNS FOR DATA CENTER INTERCONNECT book: For some reason, it ...
user avatar
  • 1,285
1 vote
0 answers
124 views

EVPN+VxLAN strange silent host issue

EVPN+VxLAN very strange silent host issue I have very basic EVPN+VxLAN design where i used OSPF/Multicast/BGP/vPC technologies to build small size datacenter. L2VNI working great without any issue. I ...
user avatar
  • 4,237
2 votes
1 answer
1k views

Juniper QFX5110 - EVPN-VXLAN ethernet switching table is empty as soon as I enable VXLAN

I am trying to replace our existing Virtual Chassis way of doing mutli-chassis LAG with EVPN multi-homing using VXLAN. My understanding is we should be able to replace any LAG we have with evpn-...
user avatar
  • 1,458
1 vote
1 answer
213 views

ip-prefix-routes with vxlan encapsulation on Juniper MX80 / MX104 17.3R3

I want to check whether this configuration is acceptable by MX80 or MX104 Junos 17.3R3 (JTAC recommended version)? Example configuration: set routing-instances VPN100 instance-type vrf set routing-...
user avatar
0 votes
0 answers
205 views

Untagged VLAN in EVPN+VxLAN

I am dealing with very strange issue but wanted to check with experts if i am doing anything stupid or not. I have small size EVPN+VxLAN clos network (OSFP+iBGP+Multicast+Arp-suppression (no ...
user avatar
  • 4,237
0 votes
0 answers
79 views

How to connect EVPN DC Fabric to MPLS IP VPN Backbone

Let's suppose that we have a common Clos EVPN/VXLAN-based DC fabric with IP gateways on leaves (anycast gateways). Also there is a lot of different IP VRFs inside a fabric where end hosts reside. What ...
user avatar
2 votes
1 answer
736 views

EVPN VxLAN arp suppression TCAM carving

Deploying Clos design network using leaf Cisco Nexus 9396PX and when trying to configure arp-suppression using tcam carving getting this error Free up tcam slice from VACL (default vacl tcam is 512) # ...
user avatar
  • 4,237
1 vote
2 answers
932 views

EVPN/VxLAN border-leaf question

I have couple of question in above design where i have typical clos network design and my leafs are configured for Cisco vPC for redendency and anycast gateway and running OSPF for underlay and BGP ...
user avatar
  • 4,237
0 votes
1 answer
103 views

Can a leaf (mc-lag switch pair) connect to an uplink (spine : a single switch) using lag (not a route-only-port)?

By 'lag', I mean one port from each mc-lag peer connects to a port each on the uplink switch (consider this a single switch spine). The mc-lag is an active-active forwarding pair for L2 traffic (aruba'...
user avatar
  • 27
1 vote
1 answer
1k views

How to route traffic via firewall in EVPN + VxLAN

This is what i am trying to design new network, this is just on paper nothing finalized and i am sure it has lots of issue like firewall should be on leaf not border leaf etc. so that is why i am here ...
user avatar
  • 4,237