Hi guys,the situation:I've 6 vlan's11,21,41 production vlans10,20,40 lab vlansThey are all connected (routed) on a 3750 stackI would like to seperate those two groups from each other using VLAN access-maps (or acl if it works better) and block all tr...
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Forum Posts
Resolved! Full Bi-Sectional Bandwidth
All uplinks are forwarding because of vPC. Would one consider this architecture to offer "full bi-sectional bandwidth"? It seems that that term is interpreted in different ways. To me, it does because STP is not blocking any uplinks. So, if I were to...
Hey Guys, I have been asked to troubleshoot an issue where information that is being copy and pasted to a new switch is getting garbled. This only happens if a lot of information is sent to the switch at once and it might only happen on a line or two...
Resolved! Multicast Ports are not Registering
Gentlemen, In order to prevent flooding, I am trying to figure it out why Multicast mac address are not getting registered in our Catalyst 4500 L3 Switch, I am pretty much sure some configuration are not complete or missing but not sure how to troubl...
Live chat with Cisco expert, Judhajit Ghosh on Catalyst Security (DHCP Snooping, DAI, IP source guard)June 19th, 2012Here's an opportunity to make your Network secure by learning about Catalyst Security - DHCP Snooping, DAI, IP source guard. DHCP sno...
Hey guys, I was looking for some advice about configuring the control plane to mitigate DoS attacks. I understand you can use MQC and apply it inbound and or outbound to the control plane, I just couldn't find any examples of configuring it to preven...
Hi,I have just received high interface overrrun errors on one of the routers I manage at work. On checking the cisco site, I find that these errors could occur because the interface's capability has been exceeded and it cannot process the oncoming t...
I have a 2600 router and im trying to set it up for SDM. The crypto command is not there. What do i do? HELP!!!show versionCisco Internetwork Operating System SoftwareIOS (tm) C2600 Software (C2600-J1S3-M), Version 12.3(15b), RELEASE SOFTWARE (fc1 ...
Is it possible to have multiple default routes in one VRF for every vlan? The propblem is that if a machine in Vlan 20 is trying to reach a machine in Vlan 30 than it's using the default route that is used for Vlan10. The problem is that the firewall...
Resolved! IPSEC GRE
Hi,Configured the IPSEC that will encrypt the GRE traffic and it forms OSPF neighbor relationship. In the configuration crypto map was applied to the physical serial interface facing the outside world.( crypto ACL match the GRE portocol packets )IS t...
Resolved! Sh GLBP command and Forwarders 1 and 2
Hi Everyone,I have setup GLBP between 2 RoutersR1 is Active and R2 shows standby.In GLBP they say standby router also forward packets.R1 configR1#sh run int ethernet 1/1interface Ethernet1/1 ip address 192.168.7.2 255.255.255.0 glbp 30 ip 192.168.7.3...
Dears, One of my customer had a problem with A/C and the room tempreture reached almost 50 C. We came to the site and saved the configuration, took a abckup and shutdown the switch.After the A/C problem is resolved, we tried to power-on the switch .....
Hello everyone,I'm configuring my Unity Express AutoAttendant 1 (default) but I'm receiving the error in the picture every time that I try to save the change. With other AutoAttendants I do not get any error. Please some ideas why this is happening?T...
Hi ,i have a switch of cisco ME 3400. i set the switch into default mode as i have forget the password.Now i am able to access the switch .But in the configuration mode when i write ip routing command got error % invalid input detected at ^...
Hello,somebody know if the TwinGig Converter Module CVR-X2-SFP is compatible with the card WS-X6908-10G-2TXL in a switch WS-C6504-E?Best Regards
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