Hello Everyone.I have 50.000 devices on my site. all this computers access 3 ip address and 1 port every second (without stopping)which router do you advice? which router can handle this amount of connection? now i have 4451x but there is some probl...
Forum Posts
On a network that uses EIGRP authentication, all of the devices had the same error in the configruation, which was that the accept-lifetime month was incorrect, so the keys did not roll over. This blocked SSH to most, but weirdly, not all of the dev...
Resolved! Cannot Ping PT servers
Hi, doing a school project with Cisco Packet Tracer. For some odd reason, I am unable to ping my PT servers despite having implemented OSPF in my 3 routers. Only HQ and Branch can ping the HQ & Branch Servers and Internet User and ISP can ping Web Se...
Hi guys, In our environment we work with a router on stick kind of setup combined with HA.Now, recently we added a new switch (Catalyst 9500) in our network with 40Gbps uplink and 10Gbps connections straight to some of our clients. Now this is partia...
Not sure if this ip prefix is effective or incorrectly written nor do I understand what the original goal of this statement is as I inherited the environment. The ip prefix-list DEFAULT seq 5 permit 0.0.0.0/0 seems to override all. ip prefix-list DE...
Resolved! default route as interface
Hi,I examine the ping in a test config in the packet tracer. The config:PC1 - Switch - (Fa0/1) RouterA (Fa0/0) - (Fa0/0) RouterB (Fa0/1) - PC2I configured the routers default gateway as follows:RouterA : ip router 0.0.0.0 0.0.0.0 fastethernet 0/0Rou...
Hello ForumI am working at a client site today. This specific client has decided to replace their legacy 2600 branch office routers with newer 1921 ISR G2 routers as they move from a Legacy Frame WAN to a MPLS network with a different provider.The ba...
I have a multihomed scenario with two routers connected to two different ISP's.The inside interfaces of the routers have VRRP configured and are both connected to the same switch.IP SLA reachability is set up to track reachability to 8.8.8.8 in the ...
Resolved! Catalyst 3650 high cpu utilization
Hello, Cisco Community!We've encountered high CPU utilization issue on our 2x3650 stack.Processes eating CPU are: ARP Input, SISF Switcher Th, SISF Main ThreadIssue is happening only on working hours, so likely that connected to user activity.We trie...
Hi,I have got an ASR920 with a loopback address of 192.168.0.27 that we use for management. I want to regulate SSH access to limit it only to the network 192.168.17.0/24, so I created this ACL:permit tcp 192.168.17.0 0.0.0.255 host 192.168.0.27 eq 2...
Good day !I'm in the process of building a common configuration that I'm using to bootstrap multiple xrv 9k instances. The configuration comprises groups that are then applied in the relevant section. While I have verified that the groups are defined...
Hello everyone.Im having some tasks to do in my final exam and everything I try seems to fail, can u guys help me please?So, as you see in the image (1), I'm trying to ping 8.8.8.8, 151.101.133.67 and 170.1.2.3 Servers from the higher router called ...
I copied the image c2801-entservicesk9-mz.151-4.M7.bin to the compact flash card using a computer, but the 2801 router doesn't recognize it for some reason. It's a 64 MB SimpleTech CF card. When I took it over to a different router (a Cisco 1841), it...
Hello Guys,I am facing a high OutDiscards packet on a giga interface connecting my Cisco 2960 SW to ASA Firewall (outside interface) show interfaces gigabitEthernet 1/0/16 counters errorsPort Align-Err FCS-Err Xmit-Err Rcv-Err UnderSize OutDiscardsGi...
Hi Guys, Is VLAN Tunnelling (QinQ) supported on a C921-4P's WAN Interface with VRF-Lite? For example from a G2 C881.. interface FastEthernet4.901description ** QinQ Interface **encapsulation dot1Q 1002 second-dot1q 901ip address X.X.X.X 255.255.255.2...
