I have a problem where multicast packets are sent on ports where they should not.The network contains five switches and no router, the five switches are connected in a circle and using RSTP. Among a lot of other devices there are a few devices conne...
Should the trunk port connected to my router be tagged or untagged?
What design is generally recommended for an office with approx 400 client devices. We have about 10 x access L2 switches (2960x) and are not sure whether to go with 1 x L3 stack (4 x 9300 switches) or maybe 2 x stacks (of 2 x 9300 switches). We are t...
how do i use DHCPv6 services in Server-PT and how do i get the info of DUID in my own server without using fully using command in router to assign ipv6 addresses to every devices? Sorry I am new in this field hope you guys can get what I meant . In t...
Good afternoon, I have some doubts about this procolo, I know it's old, but I would like to satisfy my curiosity.The point is that when I want to avoid summarizing a class A network in RIPv2, it doesn't allow it. Because I always get 10.0.0.0, but wh...
Hi everyone my network i have a cisco 1921 router passing traffic from a separate lan network as my isp, i've done a lot of trace route and pings, and it comes down to this router being the issue, when connected i don't have internet connection the d...
Hello All,Device: ISR 4331I think NAT is what I'm looking for here. But, maybe someone could help me out with this.In a remote location we have an ISR4331 (*+ a C3650 Switch), which is connected back to HQ (*where I am located) on MPLS link via BGP. ...
Hi everyone, i have a Cisco 1921 Router as the gateway in my network to traffic my wifi network connected to a 2400 series router and a cisco switch, For some reason it will no longer connect to the default gateway and i can't ping it so i have no in...
Hi all, we are having trouble with VLAN tagging with 1G interfaces on ASR1004. Here the interface config: interface GigabitEthernet0/0/7.102 encapsulation dot1Q 137 ip address 2.32.99.81 255.255.255.252 When pinging the next hop it fails: Router...
Hi All,Please let me know is it possible configure Cisco Stack wise technology by connecting switches using Gigabit ethernet ports, i.e without stack wise cables.Thank you,
I would like to manage all of our hardware in our system including historians. However we struggle to find out the cisco versioning. How does cisco manages the versions of the hardware? We are only interested in major changes so would like to know mo...
Hello.Got a simple STP instance with 3 L2 switches in GNS3.Just Spanning tree priorities and VLAN 1 interfaces are configured: SW-01#sh run | i spanningspanning-tree mode rapid-pvstspanning-tree extend system-idspanning-tree vlan 1 priority 4096 SW-0...
I currently have two 2130 firewalls deployed in an active/standby deployment. I was thinking of some different ways that I could use both of them in an active/active way with some type of automatic failover. I was hoping to find a solution instead o...
Hi,I'm trying to run the following command and for some reason it will not work... It is on a Cisco ASA 9.9(1)(config)# copy startup-config tftp://192.168.1.24/GC_ASA_backup When I do that, I get this:%Error writing tftp://192.168.1.24/GC_ASA_backu...
Hello,Looking for confirmation to install additionnel uplink NM-8X with C9300-48T-A, and if i need to change my power supply 350WAC to 715 or 1100 ? RegardsFrederic
