Luc De Ghein

Member Since: Oct 21, 2002

English
Luc De Ghein commented on Is this true? in MPLS 2 years ago

Just about all protocols support QOS, not just MPLS. If would be good if you can provide more...

Luc De Ghein commented on networks reachable within an mpls network in MPLS 2 years ago

Hi Jonathan,The routing needs to be there end-to-end or PE-to-PE, so in overlay. BGP running...

Luc De Ghein commented on Multicast VPN/VRF in MPLS 2 years ago

Hi,Multicast in VPN will work, PE-to-PE, without CE routers.You mention that the Default MDT is up...

Luc De Ghein commented on MPLS VPN (Inner label) in MPLS 2 years ago

Hi,Ok, let's stay on the egress PE.Let's see if this makes sense:For every prefix in every VRF...

Luc De Ghein commented on MPLS VPN (Inner label) in MPLS 2 years ago

Hi,I've searched through numerous documentations on the subject but I just cant understand how the...

Luc De Ghein commented on no mpls ip propagate-ttl in MPLS 2 years ago

No way to completely remove all labels, in all cases.Thanks,Luc

Luc De Ghein commented on no mpls ip propagate-ttl in MPLS 2 years ago

Hi,Yes, this is normal. When the no mpls ip propagate-ttl command is applied on the igress PE, the...

Luc De Ghein commented on mLDP for Native IPv4 Multicast (non-mvpn) in MPLS 2 years ago

Hi,If I get it right, you're attempting to do mLDP in-band signalling in the global context.On...

Luc De Ghein commented on bgp slow peer for PE/RR in MPLS 3 years ago

Hi,Slow peer in BGP is a feature that works in conjunction with BGP update groups. Update groups...

Luc De Ghein commented on OSPF and MTU in Service Providers 3 years ago

Hi Shreeram,IP can fragment OSPF packets.Here's two routers, R1 and R2 with both MTU 1500 on the...

Luc De Ghein commented on Implict null label number 3, failed to find and believe it in MPLS 3 years ago

Hi,Depending on the operating system and the command used, it will be shown as either "imp-null" (...

Luc De Ghein commented on MPLS VPN PE and RR behavior difference w.r.t. treating VPNv4 prefixes? in MPLS 3 years ago

Hi,I have one small question on the example which you have mentioned in your book under Example of...

Luc De Ghein commented on MPLS VPN PE and RR behavior difference w.r.t. treating VPNv4 prefixes? in MPLS 3 years ago

Hi,Well, if the RRs would not store all the routes, then it could lead to some PE routers missing...

Luc De Ghein commented on LIB and MP-BGP? in MPLS 4 years ago

Hi,1)  I have readen the following thing in a Cisco book:"The LIB is fed by the label...

Luc De Ghein commented on BGP Site of Origin attribute in MPLS 4 years ago

Hi Peter,SoO for BGP is "linked" to CE-neighbor. So, when a prefix needs to be advertised to a CE...

Luc De Ghein commented on MPLS VPN Partioned RR Design with ORF using extcommunity ! in MPLS 4 years ago

Hi Kishore,ORF for ext communities -and hence RT- was never implemented. You could look at RT...

Luc De Ghein commented on MPLS VPN Partioned RR Design with ORF using extcommunity ! in MPLS 4 years ago

Hi Varma,The inbound route filtering, i.e. the rr-group and Route-Target ext-comm list, will work....

Luc De Ghein commented on MTU ISSUES / MPLS in MPLS 5 years ago

Hi,I mentioned that link in order to show the explaination on how PMTUD works and why this can be...

Luc De Ghein commented on LDP neighbor relationship fails in MPLS 5 years ago

The LDP peers are 10.255.255.254:0 and 10.255.255.253:0.Thanks,Luc...

Luc De Ghein commented on LDP neighbor relationship fails in MPLS 5 years ago

Hi,The duplicate address is a bound IP address to the router, i.e. an interface IP address. If this...

Luc De Ghein commented on MTU ISSUES / MPLS in MPLS 5 years ago

Hi Peter,Make sure to have read the following:http://www.cisco.com/en/US/partner/docs/ios/12_2sb/...

Luc De Ghein commented on Real Purpose of Route-Distinguishers in MPLS 5 years ago

Hi,Everything said by David is correct.Just to add, often the service provider chooses unique RD...

Luc De Ghein commented on PIM proxy vector on XR in MPLS 5 years ago

Hi,To use RPF vector without VRF/RD -in IOS- you need to configure: "ip multicast rpf proxy vector...

Luc De Ghein commented on PIM proxy vector on XR in MPLS 5 years ago

Hi,You used RPF Vector with RD on the IOS router.IOS-XR only understands RPF Vector without RD.IOS-...

Luc De Ghein commented on mVPN configuration for 1500 byte packets with DF set in MPLS 5 years ago

Hi Lee,You can try the following:"mdt MTU <>" hidden command under ip vrf <>Thanks,Luc

Luc De Ghein commented on Multicasting Help in LAN, Switching and Routing 5 years ago

Hi,I'd guess you have more than one router. If so, please look at some multicast docs on www.cisco....

Luc De Ghein commented on %PIM-5-DRCHG: DR change in MPLS 5 years ago

Hi,You're running MVPN and have the issue that PIM neighbors are flapping in the VRF over the...

Luc De Ghein commented on Issue with HUB n SPOKE MPLS in MPLS 5 years ago

Hi,You need to configure an RD, also on the hub router, for MPLS VPN. Why would you not configure...

Luc De Ghein commented on GRE over MPLS Wan Links in MPLS 5 years ago

Hi Bilal,So, you'd want to do mGRE on the CE routers, over MPLS VPN? You can just deploy DMVPN...

Luc De Ghein commented on GRE over MPLS Wan Links in MPLS 5 years ago

Hi Bilal,Yes, it will work. Have a look at:http://www.cisco.com/en/US/partner/docs/solutions/...

Luc De Ghein commented on cisco 3750ME can configure IPV6 MPLS? in MPLS 5 years ago

Hi Lee,No support for 6PE or 6VPE on 3750ME at the moment.Thanks,Luc

Luc De Ghein commented on show ip eigrp topolgy output in LAN, Switching and Routing 5 years ago

Hi,During EIGRP neighbor up process, all updates are sent unicast.When EIGRP neighborship is across...

Luc De Ghein commented on QOS Support on 6PE Solution in IPv6 Integration and Transition 5 years ago

Hi Atif,Yes, this will work.One remark: if you want to match the DSCP value of IPv6 traffic, use "...

Luc De Ghein commented on Pfr/OER query ! in LAN, Switching and Routing 5 years ago

Hi,One correction, PfR has been out there much longer. It has been out for over 5 years. It was...

Luc De Ghein commented on show ip eigrp topolgy output in LAN, Switching and Routing 5 years ago

Hi,1) Only reliable EIGRP packet (e.g. Query, Update, Reply) have sequence numbers. Unreliable...

Luc De Ghein commented on c7600 MVPN Issue in MPLS 5 years ago

Hi Guru,So, we saw that only (10.172.100.9, 232.172.0.5) had RPF, which is the local loopback of...

Luc De Ghein commented on DSCP to MPLS EXP field in MPLS 5 years ago

Hi Mohamed,Yes, only the first 3 bits are copied. So if anyone uses more bits in DSCP, they'll have...

Luc De Ghein commented on c7600 MVPN Issue in MPLS 5 years ago

Hi Guru,So MVPN is broken because mcast in the core is broken. Forget about mcast in VRF for now,...

Luc De Ghein commented on DSCP to MPLS EXP field in MPLS 5 years ago

Many thanks LucSo  effectively at disposition unless we do a MQC policy then the DSCP bits  in the...

Luc De Ghein commented on DSCP to MPLS EXP field in MPLS 5 years ago

Hi Stevie,At imposition: The first 3 bits of DSCP/prec are copied into the EXP bits of the MPLS...

Luc De Ghein commented on ospf virtual-link didn't come up with ip unnumbered interface in LAN, Switching and Routing 5 years ago

Hi,I'm not sure where the answer in the other forum came from. I'm seeing that the source IP...

Luc De Ghein commented on ospf virtual-link didn't come up with ip unnumbered interface in LAN, Switching and Routing 5 years ago

Hi,Can you provide the following details:-show version on R1 and R4-show ip os neigh on R1, R2 and...

Luc De Ghein commented on BGP MAXIMUM PREFIX penalty in MPLS 5 years ago

Hi,AFAIK, there are no cost implications. It is only used as a security measure.Thanks,Luc

Luc De Ghein commented on CEoP and MPLS in MPLS 5 years ago

Hi,MPLS L2VPN and CEoP use the same packet switched network infrastructure and use the...

Luc De Ghein commented on TDMoIP on Cisco Product in MPLS 5 years ago

Hi,MPLS L2VPN and CEoP use the same packet switched network infrastructure and use the...

Luc De Ghein commented on RD significance/need in VPNv4 update in MPLS 5 years ago

Hi Lalit,The RD is used to make the vpnv4 prefix unique. You could have overlapping prefixes from...

Luc De Ghein commented on %BGP-3-INVALID_MPLS in MPLS 5 years ago

Hi,There are a few bugs related to invalid MPLS labels. We cannot distinguish them on thevalue of...

Luc De Ghein commented on HTTPS certificate problem on MPLS in MPLS 5 years ago

Hi,Would it be possible to disable the functionality of the DPI (passthrough mode?) and test again?...

Luc De Ghein commented on Browsing problem in MPLS network in MPLS 5 years ago

Hi,Do not use "ip tcp adjust-mss 1460", it is only good for testing, masking the real issue, or...

Bio












Luc De Ghein's Stats

Points294
Discussion started 0
Answers marked as Correct 19
Endorsed 0
Content Rated 10