Author Archives: oldboyscout
IRF from HP and other technologies for unified data center
I heard that HP has technology like Qfabric from Juniper or Fabric Extender from Cisco. It is IRF. You can read some things about these technologies in the Pepelnjak`s blog, but I allow myself to make short description about it.
Cisco SSH Denial of Service Vulnerability
If you used Cisco router as border or vpn concentrator (that is somebody has access to it from Internet), you would update software near time. Remote attacker could exploit this vulnerability by attempting a reverse SSH login with a crafted username http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-ssh
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
Nice troubleshooting tips about 6500
The 6500 platform is still popular, so maybe you want to know how it works and how it repaired. Cisco published the nice post about troubleshooting 6500 here By the way, another interesting link about diagnostic tests (not only for 6500) you may find here My personal advice – when purchasing a new card, always … Continue reading
Annual Worldwide Infrastructure Security Report from Arbor Networks
The Arbor Networks, leader in the production of anti-DDOS decisions, published “7th Annual Worldwide Infrastructure Security Report” (full text). Key topics of the report are – Ideologically-motivated ‘Hacktivism’ and Vandalism Are the Most Readily-identified DDoS Attack Motivations – Large Volumetric DDoS Attacks Are the ‘New Normal’ – Increase in the Sophistication and Complexity of Layer-7 … Continue reading
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
MPLS & Ethernet World Congress
The biggest event about mpls, mpls-tp and other backhaul technologies was over last Friday in the Paris. According official site, “More than 1300 delegates attended the 13th edition of the MPLS & Ethernet World Congress. 150 service providers from 70 countries were present and confirmed the event to be the number one event worldwide in … Continue reading
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
One and half million routers in the 2012
The famous market-research group iSuppli says that about 1560 thousands routers will be sold in the 2012. The TOP5 of router original equipment manufacturers are Cisco, Juniper, Huawei, Alcatel-Lucent and Tellabs. They have 97% of market of routers. Orginal link
The small cisco digest
– Cisco announces the end-of-sale and end-of life dates for the very popular old models of Cisco Catalyst – 3750G, 3560G, 3750-E, and 3560-E Series. You have 1 year for buy it. And five years for fix it 😉 (http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps5023/eol_c51-696372.html) – Cisco announces the new corporate Wi-Fi Access Point “Cisco Aironet 3600”. “Clean Air”, 802.11r … Continue reading