BGP
what is the significance of traffic engineering in IGP?
Forum Posts
EVPN L2 Service with bridge domain on QinQ sub-interface
Hello Everyone,I am trying to configure EVPN service on QinQ double tagged sub-interface. So is such configuration supported? interface Bundle-Ether1.999 l2transportencapsulation dot1q 999 second-dot1q 99rewrite ingress tag pop 2 symmetric!evpnevi 10...
Resolved! Manage Demarc Switch and pass L3 VPN on same interface in NCS 540
Below is a sample layout of my network, i currently have a few locations connected via L3 VPN, these services are typicallydelivered via a pruned trunk link to the client location with VLAN 100 being my management VLAN to gain access and to monitor ...
Resolved! Which is more appropriate for ISPs, VPLS or AToM?
Hello ! I want to know whether to provide l2vpn services in the ISP's topology architecture, should I use VPLS better or AToM ? There will be many customers in the ISP architecture, I consider using MPLS traffic engineering, so what solutions can pro...
MPLS QOS Assistance
I have a small MPLS network serving 15 clients,, I am delivering services via L3 VPNs and wanted to implement end to end QOS services using DSCP Pipe mode. however I am running into a barrier finding templates that can assist.I wanted to have some f...
Resolved! HOW MPLS WORK
Hi everyone it is not clear to me how mpls works. I understand that the packet that enters the first router A is assigned a label immediately after having made a lookup in the routing table. After that, when router A goes from router B to the packet,...
PPPoE session does not work over L2VPN xConnect on ASR920
Below is our scenario: PPPoE Server <---> G1-R1(ASR920)-G2 <------MPLS Core-------> G2-R2(ASR920)-G1 <----> PPPoE Client We configured xConnect between G1 of R1 to G1 of R2 and session was up. 1. If we configuration IP based connection by assigning I...
["no activate" ipv6 neighbor under ipv4 address-family]
Hi! Is it normal for a BGP ipv6 neighbor to appear under ipv4 address-family as "no activate"? For example:(I removed many commands for brevity, but that's a real config) router bgp AAAAAAneighbor X:X:X::X remote-as AAAAAAneighbor X:X:X::X descriptio...
L2VPN
In layer 2 vpn, what is the signalling protocol used for route exchange?
ospf
Can an ABR router in non-area 0 router generate a default summary route in to other area?
OSPF
In a NSSA area, can a type-5 LSA exists?
Resolved! Inter-AS option A , How BGP Next-HOP is changed?
Dears, I'm trying to practice Inter-AS , i configured option A as per the below picture and the pings goes successfully from HSBC-1 to HSBC-2 , my question is when the BGP update for the loopback of HSBC-1 received by R5 , how R5 set him self as the ...
RD & RT
If RT makes the unique decision of filtering the routes into the right VRF Instance, then why RD might be required?
VRRP
what is VRRP and how VRRP mac address is created from the VRRP master IP?
BGP
What are unique attributes for BGP layer 2 NLRI? Is is preprovisioned or manually provisioned?
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