Incredible Adventures of the OSPF Huawei

We found SUDDENLY that OPSF with hello-timer=1 on the Huawei NE40E got convergency more then 20 seconds. And any changing of timers is not helped. We have schemes with such timer value, the reason is some old equipment without BFD. And everything worked fine 1-2 month ago. Official Huawei TAC respond — For mitigation OSPF … Continue reading »

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Cisco Live Milan 2015 — «advanced», «routing»

I have read and analyzed materials from Milan Cisco Live 2015 – for self-education. Not all 455 presentations and videos, of course. Only Level=”Advanced” and Technology=”Routing”. Maybe someone will be interested to know my comments and recommendations below.

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Huawei, Juniper and Cisco in one network – webinar # 1

Hi all! I plan to create series of webinars about routing in the mixed network, consisting of Cisco, Juniper and Huawei routers. I already done few webinars on the Russian about this topic and I want create it on English. My English is not so good, so it is challenge for me (and you, if … Continue reading »

Categories: cisco, Cisco IOS, huawei, juniper, JunOS, ospf, technologies, VRP | Tags: , , , | 4 Comments

The Friday`s digest – “Boasting and illusions”

There is Friday, and this is Friday`s digest. There are a bit of news on this week, but a lot of topics that were interested for me – too many of boastings and illusions – two main components for networking market at all time. The Huawei are continuing testing of some innovations for LTE. In … Continue reading »

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New RFC about networks (July 2012)

A few of the new RFC about networking that interesting personal to me. Just couple of words. 6660 – Encoding Three Pre-Congestion Notification (PCN) States in the IP Header Using a Single Diffserv Codepoint (DSCP). Revision of RFC 5696. Revision of RFC 5696. It is further improvement QoS in the path to the ideal situation … Continue reading »

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World IPv6 Launch tomorrow

By the way, “World IPv6 Launch” is so dramatic name for this. For years many big generators of the content like Google and Facebook have ipv6 DNS-name and working through ipv6. But they are only big islands in the ipv4 ocean of the rest Internet. The most of the hosters and content providers are have … Continue reading »

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New “private” network

Good news for service providers that faced with issue of necessarily NAT from client network to client network, from client network to provider network and etc. They faced situations where networks from RFC 1918 is not enough. The new RFC 6598 wants to help them and defines new “private” network, that can be used … Continue reading »

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BGPlay and BGPviz

If you have AS and more then one upstream you can meet strange traffics behavior sometimes. Suddenly you can see that biggest part of you traffic goes from one upstream or familiar pattern of traffics distribution has changed. It happens cause something changes, far away from you and your provider . Maybe one big provider … Continue reading »

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EANTC:Multi-Vendor Interoperability test

The EANTC created event For MPLS & Ethernet World Congress when tested mpls, mpls-tp, ipv6 and other interoperability between different vendors. White paper

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The good wiki about ipv6

If you are searching some recipes about transition to IPv6 or deployment of IPv6, this link may be useful for you. There is new wiki about IPv6 with original states and presentations from Fred Bovy Check this

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