Giuseppe Larosa

Member Since: Aug 26, 2003

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Giuseppe Larosa commented on BGP primary route in WAN, Routing and Switching 1 day ago

Hello Milan, I totally agree with your concerns about the proposed EEM scripts approach. BGP...

Giuseppe Larosa commented on Fragmentation in IS-IS in MPLS 1 day ago

Hello Onkar, your understanding is correct the reason for using multiple "fragments" is when the IS...

Giuseppe Larosa commented on Switching Forward Rate Calculation Tool in PPS in LAN, Switching and Routing 2 days ago

Hello Mcepedar3, to calculate the wire speed in packet per second or more correctly in frames per...

Giuseppe Larosa commented on dhcp ip in WAN, Routing and Switching 6 months ago

Hello -shaika, you need to make some changes to your ACLs to make them working: 1)  the first line...

Giuseppe Larosa commented on Error in CEM circuit Excessive Packet Loss Rate Packet Loss (Error en CEM circuit) in MPLS 6 months ago

Hello Ruben, I see from configuration that there are other pseudowires configured to carry CEM...

Giuseppe Larosa commented on 7206VXR PA-GE interface problem in WAN, Routing and Switching 6 months ago

Hello Gaspar, keep in mind that a C7200 is still a software based router with no ASIC chips to feed...

Giuseppe Larosa commented on Confirmation Required - Cisco Switch Model-C3750X-24T-S and OS- Version 15.0(2)SE9- By default status MOP protocol in WAN, Routing and Switching 6 months ago

Hello Balakrishanan, follow the information provided in the following blog link http://blogs.cisco....

Giuseppe Larosa commented on root bridge issues in LAN, Switching and Routing 6 months ago

Hello Hector, your core swich is a Cisco router running Rapid PVST C4:7D:4F Cisco Systems, Inc....

Giuseppe Larosa commented on Standard VLANs vs Extended VLANs in LAN, Switching and Routing 6 months ago

Hello CCH, Cisco acquired catalyst company to have switches in his product portfolio. These first...

Giuseppe Larosa commented on wrong BGP AS number transmitted in WAN, Routing and Switching 6 months ago

Hello Sven, you have a 4 byte AS nunber as as you say you have 202xxx > 65535. The second ISP...

Giuseppe Larosa commented on DMVPN spoke to spoke communication using Certificate based authentication. in WAN, Routing and Switching 6 months ago

Hello, post complete configurations as attachment files and debug output in separate attachment...

Giuseppe Larosa commented on bgp in WAN, Routing and Switching 6 months ago

Hello Pate, in iBGP route reflector servers are used to solve the scalability issues caused by the...

Giuseppe Larosa commented on L2VPN Xconnect redundancy design question in MPLS 6 months ago

Hello, the answer is positive STP BPDUs can travel over the two parallel pseudowires and one end...

Giuseppe Larosa commented on L2VPN Xconnect redundancy design question in MPLS 6 months ago

Hello msyaz, EoMPLS is point to point in nature: to carry a port channel of two member links...

Giuseppe Larosa commented on Switch to switch encryption in WAN, Routing and Switching 7 months ago

Hello Gpawen, In a recent project I had t use Port based EoMPLS in order to extend trustsec between...

Giuseppe Larosa commented on 6880-X and QinQ/Tagged traffic through EoMPLS in MPLS 7 months ago

Hello Adam, the no switchport interface command is required if you want to perform port based...

Giuseppe Larosa commented on LDP BGP routes distribution in MPLS 7 months ago

Hello Adam, >> Cisco implementation of LDP will by default allocate and distribute labels for...

Giuseppe Larosa commented on MPLS VPN Route Redistribution in MPLS 7 months ago

Hello Muhammad, 1) EIGRP routes travel encapsulated into MP BGP VPNV4 NLRI you DON'T have to make a...

Giuseppe Larosa commented on MPLS VPN Route Redistribution in MPLS 7 months ago

Hello Surahuja, 6) 6) what happens with routing updates? does route advertisement updates traverses...

Giuseppe Larosa commented on DMVPN phase 1 with EIGRP, over MPLS in MPLS 7 months ago

Hello George, your CE nodes will be unaware of the presence of the MPLS L3 VPN service on ISP X and...

Giuseppe Larosa commented on MPLS Inter-AS TE in MPLS 7 months ago

Hello, post your configurations for all involved devices have you used next-hop self on the ASBR...

Giuseppe Larosa commented on EoMPLS looping traffic? IOS 15.5(3)S3 ME-3600 in MPLS 7 months ago

Hello Bayoan, I have ME-3600 with same IOS XE version image me360x-universal-mz.155-3.S1a.bin, with...

Giuseppe Larosa commented on Route Leaking Between VRFs in MPLS 7 months ago

Hello Jose, inter VRF redistribution can be achieved by playing with route targets extended...

Giuseppe Larosa commented on How to share internet traffic through mpls network in MPLS 7 months ago

Hello Arvind, there are different options: from Ho you can have a VRF site and the CE advertises...

Giuseppe Larosa commented on LDP BGP routes distribution in MPLS 7 months ago

Hello Vishai, in order to achieve this that is contrary to common use of MPLS the routes have to be...

Giuseppe Larosa commented on MPLS L2 VPN Issue with df-bit in MPLS 7 months ago

Hello Uzair, >> but second one having BGP flaps after this setup use QoS and and an output...

Giuseppe Larosa commented on Error in CEM circuit Excessive Packet Loss Rate Packet Loss (Error en CEM circuit) in MPLS 7 months ago

Hello Ruben, as noted by Vinit you need to provide the configurations of both PE nodes and the show...

Giuseppe Larosa commented on Please explain me about the below bgp vpn routes of an vrf. in MPLS 7 months ago

Hello Prabhu, all these fields come from the output of show ip bgp vpnv4  <prefix> the...

Giuseppe Larosa commented on 6880-X and QinQ/Tagged traffic through EoMPLS in MPLS 7 months ago

Hello David, it looks like you are hitting a platform specific issue >> "802.1Q in 802.1Q...

Giuseppe Larosa commented on Route Reflector is mandatory to participate in LDP? in MPLS 7 months ago

Hello Luis, in Cisco implementation the route reflector server does not need to be part of the MPLS...

Giuseppe Larosa commented on How to use Time-Domain Reflectometer (TDR) in LAN, Switching and Routing 8 months ago

Hello Leo, first of all, my best compliments for the excellent document that yo have written. I...

Giuseppe Larosa commented on Advice Needed From L2TPV3 / Pseud Wire Expert in WAN, Routing and Switching 9 months ago

Hello B-chernish, an L2TPv3 pseudowire is a pure point to point L2 transport service over an IP...

Giuseppe Larosa commented on the relationship between Jumboframe and mpls mtu. in WAN, Routing and Switching 9 months ago

Hello Brett, I'm sorry for my late answer you have probably already implemented the required...

Giuseppe Larosa commented on High CPU loading after the bgp session down. in WAN, Routing and Switching 1 year ago

Hello Rex, I'm sorry that the BGP next-hop tracking feature does not provide any improvement in the...

Giuseppe Larosa commented on DHCP Server Port-Based Address Allocation in LAN, Switching and Routing 1 year ago

Hello Midhun, the document link that you have reported refers to industrial ethernet switches...

Giuseppe Larosa commented on OSPF Prefixes in database but not in routing table. in WAN, Routing and Switching 1 year ago

Hello Erico, I would suggest to look more in detail in the OSPF database. I guess that the entry 10...

Giuseppe Larosa commented on Load balance 881 across 3x VDSL lines in WAN, Routing and Switching 1 year ago

Hello Anthony, >> the line provider will supply their own routers on the end of each lines,...

Giuseppe Larosa commented on Package active and inactive at same time in XR OS and Platforms 1 year ago

Hello Facundo, under the Service Provider section, there is a forum dedicated to IOS XR platforms...

Giuseppe Larosa commented on Cisco IOS Bug in WAN, Routing and Switching 1 year ago

Hello Jawad, you need a CCO account with appropriate privileges to access the bug search tool. In...

Giuseppe Larosa commented on Can't ping Vlan's over OSPF in WAN, Routing and Switching 1 year ago

Hello Simonj123, OSPF is a routing protocol and should be used to route between different IP...

Giuseppe Larosa commented on Sup32 and mpls over gre in MPLS 1 year ago

Hello Trilok, my answer was based on available documentation. If Cisco TAC says that Supervisor 32...

Giuseppe Larosa commented on ospf for multi exit points in WAN, Routing and Switching 1 year ago

Hello Sudhakar, having two exit points to the Internet the best choice is to use O E1 routes that...

Giuseppe Larosa commented on site wan/lan connection in WAN, Routing and Switching 1 year ago

Hello Peter, no you just need another C3750 in the new site, no additional router or firewall is...

Giuseppe Larosa commented on MPLS TE in the modern SP network in MPLS 1 year ago

Hello Ibrahim, MPLS TE is still in use for MPLS TE fast reroute and traffic engineering...

Giuseppe Larosa commented on MPLS TE Tunnel - Targeted LDP session in MPLS 1 year ago

Hello Rrajmohan, this is done to have LDP based LSPs tunneled over the MPLS TE in the inner core....

Giuseppe Larosa commented on site wan/lan connection in WAN, Routing and Switching 1 year ago

Hello Peter, no telecom company should be involved if you are able to have the inter-building links...

Giuseppe Larosa commented on site wan/lan connection in WAN, Routing and Switching 1 year ago

Hello Peter, if the inter-building fiber connections are possible you can use: two pairs of fiber...

Giuseppe Larosa commented on Why CRC, IP checksum and TCP checksum required in OSI layer in WAN, Routing and Switching 1 year ago

Hello Ram, the OSI model with its layers is thought to have each level to perform its own checks:...

Giuseppe Larosa commented on BGP Configuration & Failover in WAN, Routing and Switching 1 year ago

Hello Jon, I agree with Pashtet13, it is the multi homed customer that makes agreements with the...

Giuseppe Larosa commented on BGP. in WAN, Routing and Switching 1 year ago

Hello P. Naveen, I'm afraid you can only rollback your configuration by removing the traffic filter...

Bio

Electronic Engineer in 1993
Since 1997 consultant in the networking for Telecom Italia Group and later for other service providers.

On July the 1st 2010 I have joined Cypress Consult as an Associate.
My new role is senior network consultant for a service provider customer.

I' m expected to provide technical support and knowledge transfer to customer's stuff.
My Specialties are:

In November 2012 I have joined Juniper and Cisco partner b! Spa part of CEIT group (owner Sandro Bordato)

ITIL Service Management Foundation v.3 since Nov 2008
Cisco CCIE Service Provider #14802 since June 23 2005
Cisco CCNP since Juanary 2002
Cisco CCNA since July 2000
Cisco CCNA Voice Enterprise Ed. since October 2009
Juniper JNCIS-M since December 2010

Juniper JNCIP-SP since November 16th 2012

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