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Questions tagged [data-center]

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ISP Multi-homing in Datacenter

My company is in the process of getting another ISP connection in one of the data centers we co-locate in. Should our main internet circuit fail, we want to failover to this new ISP that has a diverse ...
DragonFist616's user avatar
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188 views

Upgrade path for QFX 13.2 to 21.4

I have a Qfx5100-48s-6q box running a software version 13.2X51-D38 that needs to be upgraded to a new version – “jinstall-host-qfx-5-21.4R3-S5.17-signed”. Any advise us on the upgrade path for this ...
user93188's user avatar
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Setting the EVPN VXLAN Interconnect ESI for Data Center Interconnect (Seamless EVPN VXLAN Stitching)

With reference to Juniper Networks , when implementing data center interconnect (DCI) using seamless EVPN VXLAN stitching , why do we have to define iESI (interconnect ESI) to stitch VXLAN VNI from ...
Nabeel's user avatar
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What exactly is the purpose of/use case for VXLAN? [duplicate]

I understand what it does in that it creates an overlay layer 2 network over an underlay but when would you use it? What is the problem it’s solving?
LiquidAurum's user avatar
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Data Centers vs Internet Data Centers (IDCs)

Are the terms data center and Internet Data Centers (IDCs) same or 2 different things. In some sources they mention that they are pretty much the same thing. But in some other sources they are ...
Sahan's user avatar
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Why Chassis MAC Address is used when advertising EVPN Type 5 routes

In case of EVPN Type 5 or IP Prefix routes advertisement why chassis MAC address or router MAC address is used in addition to VXLAN VNI? I guess VXLAN VNI is working on same principle like MPLS VPN ...
Nabeel's user avatar
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Disable VLAN1 in Data Center environment - proper way to do this

please explain do I understand correctly disabling vlan 1 in DC environment I have network switch and few bare metal servers (image below). Servers are connected to the switch by utp cable. Now every ...
DeviC3's user avatar
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2 votes
2 answers
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Data Center Warm Disaster Recovery

We are planning to create a backup data center for warm disaster recovery. Critical services will be replicated on application level to the new data center, all other services will be backuped daily. ...
Алдар's user avatar
1 vote
1 answer
464 views

Juniper QFX Site to Site VPN

Im trying to setup a site to site vpn between two Juniper QFX5110's. Each end of the link is on the same subnet (so directly connected switches over dark fibre). I have configured each physical ...
Dylan's user avatar
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Data Center migration

We have two data centers in different locations and we want to transfer DC2 (secondary Data Center) from location Y to location X where X is DC1 (Primary) location. The connection between both data ...
RR Cisco's user avatar
3 votes
1 answer
6k views

Two Datacenter location with same BGP AS number

Currently we have DC-1 running eBGP with my ISP using AS:1111 and i have prefix 1.1.1.0/24 and using BGP Default route because we have only single ISP. Now we are opening new Datacenter in remote ...
Satish's user avatar
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Fat-Tree topology

Fat tree network topology looks like a tree topology like below figure. In tree topology, we have same terminologies like Root, parent, child etc. This is mainly used to connect a large number of ...
guidev's user avatar
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