Routing

My cisco router 881 when i assign the ip on fastethernet lan port then error will occured ip address may not be configured on l2 links can anyone give me solution please 

Hi,I just want to know how can I apply ip nat outside on interface with OSPF enabled:interface GigabitEthernet0/0/1description P2P_to_R2ip address 10.62.1.1 255.255.255.252ip ospf 10 area 0negotiation auto!--------------- OSPF config ---------------r...

I'm new to packet tracer and have been configuring a network but my devices are not able to communicate across different subnets but the ones in the same subnet can. If someone also knows how to configure servers from one subnet to work across the wh...

HiI have the isp internet router connected to L2 switch, which is connected to L3 switch.How do I and the ISP set up our netowrk?I know he should do nating and access list, but should he do static route for our network to an interface in the L2 sw? a...

hello everyone,we have a weird situation with BGP between two SDWAN routers (ASR1001X) and Distribution Core (C6824-X-LE-40G).bare in mind that this iBGP was UP and Running since ~1 year before we did an IOS Code upgrade on SDWAN routers. same code u...

Hi, I have a network with one router and two hosts, each in a different subnet. For Host 1 (192.168.1.1) to reach Host 2 (192.168.2.2), it must connect to the router's f1/0 interface IP address with destination port 1234. The router should then forwa...

Hello there! I am pretty new to networking and trying to work out how I can connect my HQ to my other branches (5). I also need the branches to communicate with each other, and for them to access Internet from HQ. Also trying to figure out how to add...

Hi,I work for an ISP and we use inter-VRF PBR to route forward and route leaking via BGP to route back.We add/remove route-map sequences into/from our PBR, and related ACLs, daily and, sometimes, we suffer traffic blackholes due to route-map sequence...

I can't give the command to enter rommon, I'm connected via console, any solution?Initializing Hardware ... System integrity status: 00000610 System Bootstrap, Version 16.7(1r), RELEASE SOFTWARECopyright (c) 1994-2017 by cisco Systems, Inc. Current i...

Multilayer Switch66 can build ipv4 routing table via ospf.```20.0.0.0/24 is subnetted, 1 subnetsC 20.20.20.0 is directly connected, Vlan10O IA 192.168.30.0/24 [110/2] via 20.20.20.29, 00:38:20, Vlan10[110/2] via 20.20.20.69, 00:38:20, Vlan10```Why ca...

Help!  I have a 2921 router that I am trying to monitor using SNMP polling - I can ping it, SSH to it, get to it via http, but not SNMP.  I know I am using the correct community string - but nothing I try seems to work.  Using the same command to a d...

why when  check connection and add simple pdu between pc and router give me successful status and when ping from the same pc give me request out

Hi guys, I'm trying to get a proof that my Queueing policy works. I do have Catalyst 9300, so I did apply the Marking policy to one of his end-host interface and then  Queueing policy to the uplink. I so see the counters increasing on marking policy,...