Routing

I have nexus 9200 switches in vPC acting as the core for an office building that’s more traditional campus - pair of catalyst switches per floor, /24 subnet per floor all svis on the nexus switches.Currently the catalyst switches each have 1 fiber ru...

Hi  All in our MPLS Network we connected two Cisco NCS-5508 by isis routing protocol and we faced issue that the NET ID for isis appear instead of the hostname :RP/0/RP0/CPU0:ROUTER-A#show isis neighborsSat Jul 13 12:39:20.979 ASTIS-IS NBN-ISIS neigh...

I am preparing two lab exercises on the LISP protocol. The network diagram is as follows:Lab 1:10.10.0/24 10.20.0.0/24(172.16.10.0/24)PC1----R2---------R1-------R3-----PC3(172.16.20.0/24)MS/MRLab 2:(172.16.10.0/24)PC1--(V10)-S1--R2------R1-------R3--...

Hi,Can someone explain me what is the purpose of having a permanent static route? I would appreciate to be explained it with some case scenario.So if I put for ex. ip route 1.1.1.1 255.255.255.255 2.2.2.2 the static route will be present in the routi...

Hi, I have a question after checking the EOL and from management perspective what is the meaning of end of vulnerability/security support exactly? it mentions "The last date that Cisco Engineering may release a planned maintenance release or schedule...

Hi, I have configured my router to run OSPF and established adj with other routers (thru switch). However there are 2 routers that wont established the adj. It keep appears below log. It is in the same network/subnet. The MTU is 1500. What is other p...

Within a router, Is PAK_Priority preserved once a packet is encapsulated in GRE? In other words, if a EIGRP packet had PAK_priority set and was then encapsulated in GRE, does the GRE packet now have PAK_priority set?

Hi, in my configuration there are several users and a radius server, I log in to everything with SSH.Now I need to create a user that can only be connected via the console port.and as soon as I create a user with the commandusername cisco privilege 1...

Hi,I am trying to secure the ports of my Switched using mac sticky.interface GigabitEthernet0/17switchport access vlan 10switchport mode accessswitchport port-securityswitchport port-security violation restrictswitchport port-security mac-address sti...

I need to have a network set up with devices with 48-bit MAC addresses and 64-bit MAC addresses. A way to solve the problem of interconnectivity with different MAC addresses, is to use a router. Then, the interconnectivity is done via IP addresses. H...

I have 4510 cisco switch. One of the switch port was down last nigt for few time and now its up. So my customer is asking me how long it is up. i mean its up time how long. How can i get this information with out syslog server.

Hi. I'm having trouble on how to replicate my setup on an actual Cisco 2811 Router. I can't seem to ping the interface of a router if it is in a different subnet. I did the ping from a PC that is connected directly to one of the interfaces. Setting t...

I have a Cisco C921 I am trying to set up as a secondary router. I have int g4 connected to the LAN with a 10.20.x.x networkInt g5 is connected to the fiber ring with a 10.15.x.x network.There are two other routers on the fiber ring. The difference i...

Hello,I have an ASR9006 with two RSP440-SE RSP and I am getting errors like:%ROUTING-BGP-2-ERR_MEM_ALLOC : [23] : Failed to allocate memory for attribute entry : pkg/bin/bgp : (PID=12845322) : -Traceback= 11d022e8 11d0907b 11d2e793 11d2f320 11d30641 ...

Hi,We are using cisco ISR4221/K9 router as terminal server to access some switches over console connection. However, when we try to connect those switches over console we are not getting any login prompt for credential input. It just gives blank scre...