Cisco Community
English
Register
Register
cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 
cancel
Lei Tian
‎10-28-2020
Cisco Employee
Joined Cisco in June 2007 as Network Consulting Engineer in Cisco AS. Hold CCIE #21640 in Routing and Switching. Past written in couple other tracks, but never got time to study for the lab. Thinking about CCDE... too much reading. Currently living in New York.
Recent Badges
Awards
Recent Badges
See all
600 Helpful Vote
150 Accepted Solution
50 Accepted Solution
15 Accepted Solution
1 Accepted Solution
5 Accepted Solution
50 Replies
20 Replies
10 Replies
5 Replies
Stats
Member since ‎06-18-2007
945
Posts
594
Helpful
174
Solutions

Re: Cisco vEdge 2000 not booting

Created by in SD-WAN and Cloud Networking
10-26-2020
10-26-2020
Hello,   Open a case with TAC. You probably need RMA.    HTH, Lei Tian

Re: SDWAN cisco problem VOIP

Created by in SD-WAN and Cloud Networking
10-26-2020
10-26-2020
Hello, Did you check the MTU size over internet links? Try turn on pmtud see if that helps. HTH, Lei...

Re: SDWAN can't verify VEdge

Created by in SD-WAN and Cloud Networking
10-26-2020
10-26-2020
Hello, Is there FW between wan edge router and controllers? If there is, make sure the FW allows the...

1 remote subnet, 1 local subnet, 2 dsl lines, 2 877 routers, pos

Created by in Routing
11-14-2013
11-14-2013
Hi,Yes, you can have VPN tunnel on both 877 up to utilize 2 DSL lines. You might need make the traff...

1 remote subnet, 1 local subnet, 2 dsl lines, 2 877 routers, pos

Created by in Routing
11-14-2013
11-14-2013
Hi,Assume you want the 2x877 be active/stanby, that is supported. On the LAN side, your L2/L3 and su...

Nexus HSRP

Created by in Switching
11-14-2013
11-14-2013
Hi,You can have HSRP between datacenters. You can have multiple HSRP speaker, one of them will be ac...

Virtual-link multi-aires OSPF

Created by in Routing
11-13-2013
11-13-2013
Hi,I know this is not what you are asking for, but can you do tunnel instead of VL? Both should be a...

Let multicast to go out but to stop inside

Created by in Switching
11-13-2013
11-13-2013
6500 should process ACL in hardware. You need to check the reason that causes 6500 punt the packet t...

catalyst 6500 series vrf bgp and ospf

Created by in Routing
11-12-2013
11-12-2013
Assume the bridge is layer 2, you will have 2 OSPF neighbors between global and VRF. To prefer the r...

Nexus 7000 DSCP Markings

Created by in Switching
11-12-2013
11-12-2013
Hi,The default behavior for nexus 7000 is trust DSCP. "The default behavior of the device is to pres...

VPN Tunnel to outside point ot point

Created by in Routing
11-12-2013
11-12-2013
Hi,You can have internet and vpn on same router, but is better to have separate router for that func...

catalyst 6500 series vrf bgp and ospf

Created by in Routing
11-12-2013
11-12-2013
Hi,You want put all internal VLANs in global routing table, and routes from ISP in a VRF? It is poss...

ASR not supporting Vlans

Created by in Routing
11-11-2013
11-11-2013
Hi Jack,You can create bridge domain on ASR, but not VLAN. Similar to what you bridge interfaces on ...

Let multicast to go out but to stop inside

Created by in Switching
11-11-2013
11-11-2013
Hi,You can block the multicast traffic on the data plane by using port or vlan ACL. HTH,Lei Tian

Hierarchical Model

Created by in Switching
11-10-2013
11-10-2013
Hi, I dont have much experience with the new games. My experience for LAN game was playing age of em...
Public Statistics
Date Registered ‎06-18-2007 06:55 AM
Date Last Visited ‎10-28-2020 07:23 AM
Total Messages Posted 945
Total Helpful Votes Received 594
Helpful Votes Given To
Helpful Votes From