hiI was just testing new switch catalyst 3650 for stand by in case of old switch failure, i am facing following the issue1. I have two back bone L3 switch provided by my ISP that is of juniper connected in VRRP mode.2. I presently two L3 extreme swit...
Forum Posts
Hello, I was setting up a small local network to test different servers like wsus, ad, dns, ... I have a layer 3 switch with ip routing (Cisco Catalyst 2960-X series) and 2 pc's in 2 different VLAN's. They can only ping each other when firewall is d...
Regarding that error, I'm not sure what caused it.Initially, I checked the port status and could not find the loop.What should I do? The details of the diagram are as shown in the figure.
Hi there, recently in one of the branches of our customer I have detected one link (from dmz switch to firewall) operates in half-duplex (thanks to autonegotiation in FA port). Actually, port of dmz switch works in half duplex, while firewall port is...
I am standing up 3 subnets on our core router. These will be routed through our core to our firewall and out to the internet. They will not be able to access any of our other internal networks or data. I am pretty new with ACLs and wanting to know if...
Resolved! CISCO 887VA-K9 PPPOE AUTHENTIFICATION
Hello . I have 1 Fiber optic connection with a ISP Router ZTE F660. i bridged this router ( F660 ) and connect it to my CISCO 887VA-K9 on FAST ETHERNET PORT 0. i'm strugling how to configure it to connect to internet . i don't have wan port , on...
Hello.I understand that this question is highly dependent on various factors such as network size and routing protocol.Nevertheless, please submit your best estimation to this ambiguous situation:In an average mid sized network, what would you say is...
Resolved! Decoding BPDU's to determine sender
Hi,I'm trying to inter-operate a large Cisco switch with a small non-Cisco switch. There is a single connection between the two. In basic configurations the two work fine together, but in more complex configurations the Cisco is (correctly) err-dis...
Resolved! Ruter C931-4P
I currently have a linksys x3500 doing authentication (pppoe) at my company, but it occasionally blocks and internet access is lost. I want to replace it with one that plays the same role. I found this one from the CISCO C931-4P.I have a 200 Mbps int...
Resolved! interVlan sg350-10p connection issue
Hello could somebody please help me get the following setup to work. It would be most appreciated. - here is the situation Im a complete noob to networking but after a fair bit of research I get how the interVlan setup works at a basic level but how...
Hello Guys, I am getting the events on Qradar about Multicast storm detected on Te0/5/8. A packet filter action has been applied on the interface. I just wanted to know that is there an security issue with this or not?Thanks,
Hi Experts, I'm trying to tune our Storm-Control settings on host ports and have problems to determine if it's broadcast or multicast levels that's need to be adjusted. When the upper level has been exceeded, a syslog is generated but it does not in...
I want to ask a question. At present, I have encountered a wonderful problem. Cisco 4506 writes A C L, deny T C P any 10.70.18.0 0.0.255 5480, and then applies it under physical interface, which will cause the whole 4506 to be disconnected from the ...
Resolved! basic switch config - extra commands
Hi All I'm refining my default switch config for cisco switches. I came across these two commands. Wondering if you use them for access switches, and why or why not. Maybe you have some thoughts on this. I have included a description of what I thi...
MTU 1496 will cause slowness in Wired mode.
