About jackawang

jackawang · 06-21-2012

Pretty standard IP sla tracking configuration as below. I realized that 180 seconds is the maximum timer I can configure in "delay down 90 up 180". What if I want it to stay down for 4 hrs before claims up? ip sla 1 icmp-echo 4.2.2.2 timeout 1000 fre...

jackawang · 01-26-2012

Those who have dealt with ME3600X switch, can you tell me if I need to purchase the “Advanced Metro IP Access License” in order to run L2/L3 MPLS VPN? The license is $3995 in addition. It is a big cost for us. More specifically, I want to know if the...

jackawang · 12-15-2011

We are a small regional service provider and did not have MPLS supported on our network. To start supporting MPLS, I’d like to get opinions and recommendations on the best practice configuration. Here is what we have today –We have our own BGP AS a...

jackawang · 12-01-2011

I'm not quite sure I understand the difference between "ip arp inspection" and "ip verify source". My understanding is that they both leverage "ip dhcp snooping" and check the L2 switchport IP/MAC address against the snooping database. If no entry fo...

jackawang · 11-20-2011

According to Cisco doc, "NetFlow Aggregation feature allows Cisco NetFlow users to summarize NetFlow export data on an IOS router before the data is exported to a NetFlow data collection system." I'm trying to configure this feature based on the foll...

jackawang · 12-29-2011

Thanks, Peter. That's nice and clear.

jackawang · 12-29-2011

Peter,Your logic does make sense. Loop0 is reachable through normal routing and the tunnel so a recursive routing may have occurred. After I assigning an unique /30 network to the tunnel, everything started working.Since we normally use /32 loopback ...

jackawang · 12-29-2011

Peter,Thanks for your quick tip. I know assigning the tunnel with unique address will work because the solution has been provided by Mounir in this thread back in 2008. What I'm trying to figure out is why my configuration would not work. I have my r...

jackawang · 12-29-2011

Hello, I came across this post when I was troubleshooting a MPLS over GRE issue I had. I configured everything else the same except the tunnle interfaces on R4 and R5. Highlighted in bold.! On R4interface Tunnel1ip unnumbered loopback 0mpls iptunnel ...

jackawang · 12-16-2011

Any advise or web link would be appreciated. Please help.

Member Since	‎03-21-2005 08:53 PM
Date Last Visited	‎11-23-2023 09:07 AM
Posts	80
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IP sla tracking, how can I make the hold down/up timer longer?

Do I need "advanced license" to run MPLS on ME3600X?

Best practice MPLS design/configuration for small service provider

ip arp inspection vs. ip verify source

Netflow aggregation configuration

Re: MPLS over GRE tunnels

Re: MPLS over GRE tunnels

MPLS over GRE tunnels

MPLS over GRE tunnels

Best practice MPLS design/configuration for small service provid