i am deploying a new CISCO ISR4221/K9 router at customers place, i have unpacked a new router but the router is starting into ROMMON Mode, below is the message displayed on router, please help to resolve the issue: Current Image running: Boot ROM0..%...
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This is going to be complicated!!! Thanks in advance for any help you can provide. There are several goals within my request for assistance.I am trying to set up Internet service provider failover on my Cisco C2901 router running IOS 15.7(3)M5. I hav...
I currently have a PPPoE Client connection on a subinterface, which works fine, but since I need to tie in another interace to it, I would like to change it to a BDI. Changed the configuration but the PPPoE client won't come up again. Checked config...
Hi,I'm noticing some odd behaviour with regard to a transit area and it not conforming to RFC2328 on the network below: I have a virtual link between R1 and R2, which works, but R1 seems to be advertising a Summary LSA into Area 1 for the network bet...
Hello, I need to add a route-map to an existing ospf redistribution to filter default and summary routes. Can you please verify my configs below and confirm it would work? Current config : !address-family ipv4 vrf corp redistribute connected redist...
Hi!Please help me, where am I wrong?I don't receice on BUH03 routes from BUH02 and on BUH02 routes from BUH03.I attached a map photo. BUH03router ospf 2 vrf REGredistribute bgp 100 subnetsnetwork 172.16.51.0 0.0.0.255 area 0!router ospf 1network 10.0...
Hello, I just wanted to confirm below prefix-list will not advertise 10.100.0.0/16 but will advertise all smaller subnets with mask greater than 16. ip prefix-list xxxx permit 10.100.0.0/16 ge 17 Tks, Raghavendra
Resolved! OSPF Process ID
I want to know everything about OSPF process ID.
I have been searching around and known that the basic operation of DAD, but I can't find information about the processing of Neighbor Solitciation when received, which regards to whether the packet is forwarded out or just local processed.With that b...
Resolved! vrf route issues
Hi! I have a problem with the below network, on PE1 (BUH04) I have received routes from the direct connected client (MED 01) and from the one remote one (the one connected with PE4 (BUH04)), and on PE4 I receive routes only from the MED 02.I attached...
HelloI run PiHole as a LOCAL DNS Server as well as DNS [WAN] in General. Currently my DHCP Server is handing out IP's and is also using 192.168.5.115 as DNS, as it is PiHole. With dividing up my network into vlans thus creating other Networks, can I ...
I have yet to do anything with .tar files. What would be the best way to place it on the switch? Do I TFTP the .tar file onto the switch?Any help woul be great. I have done IOS upgrades on all kinds of sw and rtr's but never seen this the .tar files....
Hello Community,I'm currently working with a network setup in Packet Tracer and facing issues with pinging a web server. Here are the details of my configuration: I have a web server with a local IP of 172.25.31.2/29 located in the DMZ Zone. To facil...
Hello Community,Recently I faced interesting behavior of Cisco's routers and switches. I was playing with NAT configuration and just accidently observed situation when ping reply was with the different source IP address than the destination IP of pin...
Resolved! How to config 4PE with SRv6 in IOS-XR
https://www.ietf.org/id/draft-ietf-bess-ipv6-only-pe-design-00.html#name-test-3-e2e-ipv6-only-pe-ce- ________ IPv6-Only _____ / \ IPv6-Only PE / CE / \__/ \__...
