We have two core N9K switches running HSRP on them. We have an upcoming project that is requiring us to upgrade the software in order to support for HSRP instances. This is bringing up a unique scenario that I couldn't find too many resources on. Do ...
Forum Posts
Hello folks.I'm tasked with recommending device upgrades to a medium-sized enterprise.There exists a stack of 4 C9300-48U switches. These are no longer sold by Cisco, but are still supported by Cisco.I do not know how old they are. They exhibit no ne...
I have a problem with NAT I cannot solve. I have a Cisco 1900 series router with two ethernet ports. GE0/0 is configured for LAN (192.168.1.0/24) whereas GE0/1 is for the WAN (let's say static IP 123.123.123.123). Now I have a second network with sur...
Hello All, I am facing what seems like a unique problem in which I have a number of ISR4K devices (4331's and 4351's) that when we upgrade the flash, they will not boot properly from flash. Going through the process and booting to USB, when in IOSXE ...
I am deploying a partner connectivity model in Equinix using their 'Network Edge' all virtualized offering. I expect to use this as my primary WAN connectivity to multiple partners/providers. I need each partner to be able to talk to my internal reso...
Resolved! BGP SSO with NSR
Hello,I thought, i understand SSO/NSR/NSF and how to use it, but as soon as I tried to configure BGP for NSR with SSO feature, nothing worked as expected. Please explain to me, what's wrong with this configuration.I'm going to configure NSR BGP Sessi...
Resolved! Packet Tracer DHCP Server issue
Hi can someone help with my packet tracer ? My DHCP Server is seemingly not working and doesn't issue any IP addresses to my vlans. My packet tracer is attached to this post. Many thanks if you can help me
Currently the 3845 router is connected over 80Mbps MPLS link wherein BGP Is running in full meshWill it support 150Mbps MPLS bandwidth?
Hi, I recently came across an issue with the default calculation of queue limit. I am seeing very high queue limit value that does not coincide with the theoretical formula of the cisco documentation. For context, company is a public entity with a lo...
I have a vlan 5 that exists at site A. That is to say that vlan 5 at site A can be configured as a access port on multiple network devices or added as a allowed vlan on a trunk and end point devices will communicate. Gateway and firewall for vlan 5 e...
______ is used to provide basic error checking, usually with a Cyclic Redundancy Check.I have guessed the ff:checksumcheckbitcyclic code or cyclic codes 16-bitframes or framebit or bitsremainder or remaindersbut these words are incorrect. I need the ...
Hi,As title states, i'm trying to block WinServer19 from sending ICMP packets to PC1 in VLAN10. My lab looks like this:In this picture it doesn't show, but there is a portchannel 2 between SRVACC and Core1, also a portchannel 1 between Core switches....
Hi, maybe someone has an idea about network slowness and losing pings to internet in our company.Our router is connected to the Internet provider with point to point addresses, in addition the Internet provider assigned us a network with 16 public IP...
Resolved! Interior Routing Protocol
Hi..OSPF is part of Interior Routing Protocol and the term of Interior Routing Protocol is to communicate within a single autonomous systems. So i want to ask which OSPF config part indicated the autonomous system / number? Are all OSPF router should...
Hi all,I am new to using physical equipment and have 3x1921 routers in my homelab. I am trying to set them up as per my rough network topology below. I mistakenly bought some HWIC-2SHDSL thinking I could connect the routers together with them. I have...
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