Hello! We have two stacked CBS350-48FP-4X switches with an Arris DG1670A modem / router (which we believe has VLAN 802.1Q tagging support). I'm a bit new to networking, so some of my terminology might be off.We'd like to share internet access between...
Forum Posts
Here is my scenario. I have a core switch a 6509E that I need to replace with a Catalyst 9500. The spanning tree root bridge has never been set to any switch. The root bridge for my over 100 VLAN's is all over the place in the 20 closets in my bui...
Resolved! SG550XG-24F-K9 LACP accross STACK
Hello, Is MLAGG/ mLACP / LACP accross STACK is avaliable on SG550XG-24F-K9 ? Can i use for LAGG add ports from second/ third chassis?
Hi,I am attempting to make a topology where a router acts as a DHCP relay agent to the DHCP server on another subnet as part of a university course on GNS3. I have looked at the traffic on the link between the DHCP relay router and DHCP server and c...
Hello Network Admins,I need your help here configuring additional Site to Site VPN on Cisco router.Note: Site-A = Head office Site-B= Branch office -----------> Public IP : 87.101.54.74 Site-C= Branch office -----------> Public IP : 8...
Resolved! Neighbor Down: Dead timer expired
Hello, first post in this community. I have recently finished the netacad ccna v7 course and our teacher made us do a final lab with all the knowledge we had acquired which many colleagues did not start it (I have done it as a review of the entire co...
Hello Dears,I am in a situation now that 2 C6509 switches are connected via VSS , the SFP module of one of the core ports needs to be replaced , how can i verify the SFP module model ? i could do this in the access switch by performing show inventory...
Hello, does anybody can tell me what is normal operating temperature of that card ?Or if someone have that module can paste sh env temp output ?I have few with outlet temperature around 50C which looks me too high thanksjackyjoy
Hi, all as this is my first post in the community I do not know the rules properly and as such sorry for posting in the wrong section. My problem is that I am setting up a VLSM network on configuration but the firewall is giving me lots of problems.C...
Resolved! adding new switches to layer2 network
Hii have to add two switches to l2 network (red highlighted ones) and want to know if there is any risk of a loop ?
https://ibb.co/hC4wnWFThis is a diagram of my simple network. The firewall is a FortiGate. I have my LAN and VLAN interfaces under my LAN. The issue is when I placed my PC on VLAN20, the internet bounces. Found out, I can ping my firewall gateway...
Dears, Why would a switch report the same mac address of a host (IP Phone) on two VLANs on the same switchport? switch#sh mac address-table inter Fa2/0/38 Mac Address Table-------------------------------------------Vlan Mac Address ...
hi guys, working on integration setup for creston device and cisco 3850 switch. Current topology, cisco 4500-x is the core switch and cisco 3850 is the edge switch. Creston device needs to be in segregated vlan that allows multicast between floors. ...
Hi Guys, I need the complete details on how to recover the password of our master switch. i don't want to lose the configurations of the other stacked members. I just saw the details on how to make it on a single switch however, for my scenario it's ...
Resolved! Catalyst 2960X - POST: Failed PortPhyLoopback Packet Test asic_index 0 port_hardware_index 10
Hi all, I have issue on cisco catalyst C2960X-48TS-L. The error messages is below: POST: PortASIC Port Loopback Tests : Begin POST: Failed PortPhyLoopback Packet Test asic_index 0 port_hardware_index 10 POST: Failed PortPhyLoopback Packet Test asic_i...
