About andtran

andtran · 12-29-2011

Please confirm the followings regular expression:ip as-path access-list 10 permit ^100_200$Only allow networks originated from AS 100, and AS 200 directly attached to AS100.ip as-path access-list 10 permit ^100_200_300$Only allow networks originated ...

andtran · 03-15-2011

The IBM P7 blade server is connected to the Nexus 5K via FCOE port-channel (2x10G CNA), then the NX 5K uplink to the 6509 via ethernet port-channel (4x10G). Per 5.02 NXOS configuration guide, only physical FC ports can be linked ports. Please advise ...

andtran · 02-01-2006

The router is connected to two OSPF neighbors via a flat vlan. Each neighbor inject default-route (default originate). Thus, it receives the default-route from each of its neighbor. How can I change the OSPF metric to make one default-route is less f...

andtran · 11-21-2005

Per doc, the Airespace support multiple vlans and 802.1D, but it does not specify the trunk encapsulation for WC port 1 or 2. So what would be the switchport configuration for Cisco switch, trunk or access? We try to deploy 45 AP with multiple WLAN (...

andtran · 06-04-2004

I want to set up full redundancy environment in the DMZ for Web servers with two CSS 11050, two PIXs, and two 4506 switches. There is trunking between the 4506. One CSS connects (uplink) to one of the 4506. Based on the Private Vlan config guideline...

andtran · 01-11-2012

Riccardo,Very good info I am much appreciated. One last question about this regular expression. ip as-path access-list 10 permit ^100_[0-9]*$Please interpret it if you may.Thanks,Andrew Tran

andtran · 01-11-2012

To reduce the BGP route table due to cpu/memory resources, I'd like to allow prefixes ORIGINATED in specific ASNsip as-path access-list 10 permit ^100$ip as-path access-list 10 permit ^200$The above as-path allows prefixes ORIGINATED in AS 100 and AS...

andtran · 03-21-2011

Thanks for your reply !I have one last question in regard to vsan trunking via TE san port-channel. Can one san port channel (vsan trunking) carries multiple vsans for multiple vfc? See config below for clarification.vsan database vsan 111 interface...

andtran · 03-21-2011

Hello Vincent,We need the port tracking feature, cause there is only one ethernet port-channel uplink to the 6509 via SPT Layer-2. The FCOE is still up when the uplink goes down (6509 failed), then the P7 will continue to send traffic without faill-o...

andtran · 02-02-2006

Sorry I did not provide the details. All 15 sites are OSPF-neighbored via a Metro Fiber flat vlan. Two sites inject the defaut-orginate into OSPF. I want load sharing the outbound for internet traffic between the two sites. How can I manipulate the m...

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BGP Regular Expression AS Path Filter

Nexus 5K Port tracking feature on the FCOE ports

Default route selection via OSPF

How to configure the Cisco switchport to the Airespace Wireless Controller

Redundancy restriction with Private Vlans

BGP Regular Expression AS Path Filter

BGP Regular Expression AS Path Filter

Re: Nexus 5K Port tracking feature on the FCOE ports

Re: Nexus 5K Port tracking feature on the FCOE ports

Re: Default route selection via OSPF