About Xu Zhang

Xu Zhang · 06-05-2016

Hi Guys, Help needed, as I am encountered a problem and I would like discuss it with all experts here. As shown in the network diagram attached, some inforamtion about the network as below: 1. All the VLAN gateway is on Core Switch 2. The Core Switch...

Xu Zhang · 05-11-2014

H Guys,My server farm is connect to a 6500 switch, vlan 2 (172.28.2.0/24) was assigned. Now I am working on a ACL to protect those servers. The requirement from server owner is to allow certain TCP ports (he provided some tcp port numbers).I had crea...

Xu Zhang · 06-17-2014

Hi Guys, Just a quick updates, I encountered the same thing as m.tapping. Put "ip ospf network point-to-point" as suggested, then "clear ip ospf process".It works!!! By the way I am using 15.0(1)M8. Hope can help. Regrads,ZX

Xu Zhang · 05-26-2014

Not sure if that was because the port-channel 3 configured as access port but the members port were configured as trunk port.

Xu Zhang · 06-04-2013

I know its too late to post the reply here, but since I had read this so why not to put the CISCO's recommendation here (link below). Other people may need it. http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130327-sma...

Member Since	‎12-27-2012 11:16 PM
Date Last Visited	‎08-18-2017 04:00 AM
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Unable to do scanning via network, suspect NetBIOS broadcast issue.

ACL best practices on SVI to protect server farm

Hi Guys, Just a quick updates

Not sure if that was because

Re: Smart Install