Archive for August, 2009

Inter-AS Option B – Revisited

22 August, 2009 Posted by Zarar As CCIE SP, Inter-AS, MPLS VPN, iPhone (1) Comment

Consider the topology below.

Watch the video below or download and watch it on your iphone.

Categories : CCIE SP, Inter-AS, MPLS VPN, iPhone

Option C – Revisited

21 August, 2009 Posted by Zarar As CCIE SP, Inter-AS (0) Comment

Its been a while since I looked at this so here is a refresher.
Consider the topology below.

LDP is configured between RR3 and R1 and also between R2 and RR4.
EBGP with label advertisement is configured between R1 and R2.
The interesting this to notice here is that the label advertised between the EBGP peers is actually taken [...]

Categories : CCIE SP, Inter-AS

QPPB

13 August, 2009 Posted by Zarar As CCIE SP (0) Comment

A few nice articles on QPPB.
http://blog.zakir.net/index.php?/archives/42-BGP-QPPB-QoS-Policy-Propagation-via-BGP.html
http://pierky.wordpress.com/2009/06/29/gns3-labs-bgp-triggered-rate-limiting-and-less-than-best-effort-lbe-with-qppb/
Zarar

Categories : CCIE SP

Frame-Relay to VLAN Interworking – AToM

3 August, 2009 Posted by Zarar As AToM, CCIE SP, MPLS, iPhone, iPod (0) Comment

Consider the topology below.

Watch the video below or download and watch it on your ipod or iphone.
The commands used in the above video can be found below.
PE1
!
hostname PE1
!
frame-relay switching
!
mpls ldp router-id Loopback0 force
mpls label protocol ldp
!
pseudowire-class ZARAR
encapsulation mpls
interworking ip
!
interface Loopback0
ip address 1.1.1.1 255.255.255.255
!
interface FastEthernet1/0
ip address 10.0.0.1 255.255.255.252
mpls ip
!
interface Serial2/0
no ip address
encapsulation frame-relay
clockrate 128000
frame-relay interface-dlci 110 [...]