Due to the wonderfull world of PCI Compliance, I have a need to seup a way to block traffic between hosts on a specific subnet at layer 2, this so each host cannot communicate with another host in its same subnet at layer 2. As I understand isoalted ...
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Forum Posts
HiSay, for example, I am deploying a large amount of VLANs with a Nexus vPC toology. So I would have no spanning tree loops. Logically my topology looks like a single Core switch to Access switch link. However, ideally I would like to only allow ...
Switches: C6509 port 5/1 (sup card) connected via copper to a 6505 port 6/47 (non sup card)Both ports 5/1 and 6/47 are configured as a trunkswitchportswitchport trunk encapsulation dot1qswitch port mode turnkMy C6509 (client) pulled all the vlan info...
hi all ,im here to ask about some feature of cisco QOS NBAR ,as we now http traffic is on port 80now some users use some proxiesas an example 77.88.66.77 with port 66000 and can bypass the lan proxymy quesgtion is :can NBAR detect people who use cust...
Just switched over to a 100mb Ethernet circuit from a DS3 and having some issues, routing issues I believe.I'm attaching a drawing to help paint the picture which I'll explain below:DS3 setupDS3 circuit connected to a serial card on Cisco 7206 router...
Hi, I have two 5548UP + L3 card with LAN_ENTERPRISE_SERVICES_PKG and FC license.This two Nexus are the core of my network. Eight stacks of 2960S are connected to both NX with an etherchannel formed by two SX-1G or two SR-10G.I've checked the conf and...
Hi All I am getting following messages within every minute on Switches (IPTSW01 & IPTSW02)%SW_MATM-4-MACFLAP_NOTIF: Host 0023.ebcb.59c0 in vlan 133 is flapping between port Po1 and port Gi0/4 Please refer attached topology Here : 1) Gi0/4(Desig-FWD)...
Resolved! IP Services - 3560X
Hello All,I have finished installing an license upgrade from ipbase to ipservices in a 3560X switch. Executing the show license command indicates that the "License State: Active: In Use" is set for ipservices. The reason for the upgrade is so that I...
I have 3750e and 6513 that is using EIGRP routing and setting default route to another switch, instead of firewallHow do i find out where these two switches are getting the EIGRP route fromHere is what is on both switches D*EX 0.0.0.0/0 [170/3072] vi...
Resolved! How can i see the posts that i answered?
How can i see the posts that i answered?Actually i some others post for a VLAN.. now i need that post ... but i'm unable to find it...Can someone please help me in this ?Regards,Chandu
Resolved! WS-X6716-10G-3C local switching
Hi!Today I have all 16 ports connected. 8 of them peaks on 2Gbit/sec.The other 4 is dived into 2 port-channels an both portchannels are peking on approx 10Gbit/s at the same time (backup data dat goes from one end to another)Port-channel 1 goes to po...
I have two Nexus 7k's that each have two FEX's connected to them. The VPC between the 7k's is up and operational. The FEX connections are online as well. Here is my issue. If I have device connected to FEX, it cannot communicate with a device in ...
Hi Network engineers, We have a cisco catalyst 4500 switch and we have a network printer attached to it .when i ping the network printer from my lan pc ,i am getting packet drops. So i check the switch interface i was shocked to see there are s...
Hi,We have 2 vlans configured on cisco 881 router, fastethernet2 (vlan2) and fastethernet3 (vlan3). vlan2 configured as a dhcp server for 192.168.99.X while the vlan3 configured for dhcp 192.168.100.X. Currently, both vlans not able to communicate wi...
Is this correct ?VLAN is nothing but a broadcast domain used for logically group devices and to isolate different types of traffic.Thanks in advance.Regards,Chandu
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