Hello, Lately, I've seen two outages (both on ASR 9901/Starlord) with external TCAM error either causing LC0/0/CPU0 to reboot, or both NP0 and NP1 to completely lock up, destroying all forwarding traffic until 0/0/CPU0 is manually rebooted or remote ...
Hi everyoneIs it possible to have two asbrs on two areas which advertising default route to their areas. for example R1 is in area 0 and has default route to internet and advertise default route to area 0. R2 is in area 1 and advertise default route ...
Hello,I am trying to configure a PPoE interface : interface GigabitEthernet0/1 (TO ISP)no ip addressno ip route-cacheshutdownduplex autospeed autopppoe enable group globalpppoe-client dial-pool-number 10!no ip cefipv6 unicast-routingno ipv6 cef!inter...
Hello Team, In my core switch there is one default route towards wan router and ospf confirmation also there. I am not getting why both are there ?In ospf database there are many external routes I can see in my core switch and neighbors also.1. Why w...
Hi all,I am designing an almost isolated network which consists of a VPN stack (a firewall + router) connects to another firewall which hosts all these VLANs that connects to a layer 2 switch (attached is the raw diagram). so for routing should I jus...
My client purchased an ISR 4451 router and the throughput license (FL-44-PERF-K9). All Cisco routers and switches are running Fuji 16.9.5.Curiously, it appears that Right to Use licensing (RTU) has been deprecated for switches in Fuji.16.9.1 https:/...
Hello Guys, I have a Cisco C897VAW-E-K9 with 357452K/35763K bytes of memory running c800-universalk9-mz.SPA.155-3.M9.bin ( i tried several ios for this issue.) In the last days i moved from a ADSL2+ to VDSL i reconfigured the router and the line is w...
I need to set up a site to site VPN with a Cisco 871 on one side behind a NAT router. Ports 500 and 4500 are forwarded to the 871 router. This should be a fairly standard configuration. The above diagram shows everything for clarity. If the 871 VPN r...
Hello,I have a "Cisco 896-lte" router eqipped with a second sim card which uses the same mobile number as my mobile. When I use this second sim card with the "Cisco 896-lte" router and am being called on my mobile, my mobile replies being busy and fo...
Hi All, I saw there is a discussion about this but I'd like to know more. So I have to copy a running config of a ISR4400 to a brand new one as a backup so in case of an emergency we could swap the two. I copy pasted the config from a text file to th...
Hello,the router I ordered came with the IOS SDWAN with the impossibility of entering in global configuration mode. I tried to update it by switching to IOS XE software without success.Rommon : 16.12(2r)IOS expected software : Fuji-16.9.6As a result,...
i am not getting ping from PC (172.100.50.51 ) to PC ( 172.100.20.21).....MY network diagram attached below ..router 1 configuration:-Building configuration... Current configuration : 889 bytes!version 15.1no service timestamps log datetime msecno ...
I have a simple network and I am practicing for the CCNA exam through practice in Packet tracer. I successfully managed to configure a Server to work as the DHCP but I am having difficulty in configuring Cisco router to act as a DHCP server. Router...
Anybody help me with configuring simple PPPoE server for lab purposes? I configured it on old Cisco 2800 router, important parts of config:! username ppp password 0 ppp archive log config hidekeys ! ! bba-group pppoe global virtual-template 1 ! !...
Hello experts, could you help me how i can block outgoing multicast form a access port in nexus 3k? Thanks in advance for your help
