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Forum Posts
Hi,I have configured one IPSec VPN (dgcx 1 : ip 94.200.168.198)on router c1900.and it is succefuuly working.I also configured second IPSec VPN (dgcx 2 : ip 120.63.208.231) instance on same router and remote side having sonicwall fir...
HelloI'm having some trouble configuring a cisco 881. I'm building a lab where I connect 2 cisco 881 through the fe4 interface (Wan port), and then connect to each router a PC, at interface fe0 (Lan port). The idea was to establish connection and imp...
Resolved! ACL on switch ports
HiI have 2 switches available to use, a 2960 or 2950. Ideally I wish to use the 2950 if possible.What I want to achive is for a few ports to be limted to Internet only traffic, and dns lookups from a selected internal dns server. So when a machine is...
Hello Expert,I have a medium size network consists of approx 8 remote branch office connected to head office (hub and spoke enviroment).I am using cisco 3900 series router at head office and cisco 2811 router at the remote locations.At all locations...
I am trying to find the documentation to upgrade my nexus 7010 from SUP1 to SUP2. But I cannot seem to find it. Anyone know where it is hiding?
Resolved! Exact MAC learning process of a switch
When a switch sees a frame whose source MAC is already in its CAM table on the same port, will it refresh the timer to 0 secondsOr it will again just store the MAC on the same port again? Paraphrasing my question:If it is refreshing the timer ...
Hi All,Our two datacenters are linked together using OTV.The VMware network environment is managed by the NExus1000VWe have a VMWare streched cluster over the 2 physical datacenters (a part of the VEM in DC1 and a part of the VEM in DC2).We have a pa...
HelloI'm doing Redistribute in GNS3, please download my lab first in attached file.You can see four routers, R1,R2,R3 running OSPF in vlan 10,20,30, can ping each ip address between three routers, then I added R4 and R5 for testing redistribute st...
Resolved! VLAN 3560
HI, please tell me (or give me a tutorial about) how to create a VLAN and configure a couple of ports on the Cisco 3560 V2 PoE-48. Thanks, Adrian.
The 3750X has 160Gbps fabric with 102mppsThe 4948 10G has 132Gbps fabric with 102mppsBoth are non blocking.The 3750X allows me to stack. I hear the 4948 is better for server switches because of buffering/queues. So my question is: Does the 4948 buffe...
Hi,We have an MPLS location in our project where some desktops are generating brodcasts and hence choking the bandwidth of that location.My question is how can i identify which system is generating these and how to block them at Router/Switch level.
Hi, I have a VoIP network between point A and B; in A i have UC560 , 3560 v2 PoE 48, and two Cisco IP phone connected (for now); In B, i have 3560 and two Cisco phones. All equipment are configured and between A and B i have a straight cable from fa0...
Hi, I'm looking for the total number of vPC port members that are allowed while using a F3 (N7K-F312FQ-25) For F1 / F2 this is limited to 16 ports per vPC member. Thanks!Kind regards, Wim
Hi,I am planning to have five Vlans in my network i.e Faculty,Administration,Students,Servers and Management Vlan on Cisco 3750-X Switch.Some of my Access devices are TP-link wireless APs that have no Vlan support.Now if have management Vlan and stud...
we are facing issue with IP phones and they lost connectvity and start upgrading.found some errors on the switch logs,TB-5-TRUST_DEVICE_LOST: cisco-phone no longer detected on port Gi7/2, operational port trust state is now untrusted.Jan 17 15:03:05...
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