i have Cisco 9901 with IOS XR Configuration 7.9.21 some protocols can't appear with me like isis below issue appear for example, I need router ISIS configurations but below I can't find isis option (config)#router ? bgp BGP configuration subco...
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Please refer the below topology,Client >>> Cisco router >>> Firewall >>> Upstream device >>> serverI have set mtu as 200 in my upstream device and as exepected when client access the server the packets are fragmented.However when I set tcp-mss(in m...
The ISR4451 router is based on the XE system, and it is not possible to configure a bridge group under the interface in this system. I have found the configuration related to the bridge domain based on the XE system (only related to Ethernet interfac...
Hello,i have an ISR 4431 Router with broken flash. The device has been registered with Cisco but i have no additional contract.According to the chat support, there is no way to download again the IOS delivered with the router?Any idea how to do this?...
Hi The DMVPN tunnel was reset, which caused the BGP session to reset as well. We observed that the DMVPN crypto socket is down. What could be the issue? We suspect it might be related to the ISP, but they have reported no abnormalities in their logsD...
I have a Catalyst 2960-X model switch with the port 3 and 4 led blinking green ( communicating ) and suddenly starts blinking orange for a few moments and then flashes green normally. It's been swinging all day. Thank you
Hi,I have upgraded my Cisco Nexus C93180YC-FX yesterday from NXOS 10.2(6)M to NXOS 10.3(4a)M, but I seem that I have an error when I make "sh logging last 10".2024 Apr 30 09:39:09 edge01.par03 %DAEMON-3-SYSTEM_MSG: error: Unable to open the btmp file...
Hello, I am asking myself what others recommend for the connection between core switch and Firewall. The setup is the following:Two Catalyst 9300 Core switches in stack. The stack is connected to two Secure Firewalls 3105.The Core is doing L3 routing...
in the shown design , why the PC connected to R1 can't ping to the last PC , while R1 can ping to the last PCnote : The PC connected to R1 already configure the default gateway R1
Hi AllIf we have 3 routers, A, B ,CA has an IBGP peering to C, B is just running ospf so each BGP speaker can learn its neighbours.I hear that if a packet comes into A, it still has to go via B, when it hits B it will get dropped.Why is this? as the ...
I have a Cisco 2951 router, and I switched the domain name from localdomain to 'mydomain.us'The few local hosts I have, I resolve on the router, while hosts outside my domain I forward. It looks like this:ip domain name mydomain.usip host seismo.myd...
ASR 9904 using DC V2 power supply its major alarm persist after turn on power supply , it’s disappear only after remove and re-insert the power module, can anyone know the cause?
Resolved! No console port access
Hi, I bought two refurbished 2911 routers for a home lab. When I boot them up, they both have solid green lights under "SYS" and "PS". I have a console to USB cable and use putty to access the routers. I plug the console cable into the router and the...
Hey, We have just received a brand new C8500 / 20X6C. Is there a command to get the current power consumption of each power supply ? "show platform power" command says "Power audit feature is not enabled." How to activate this power audit feature ? B...
Hi to all ,i am trying to figure out why i can't have a cellular connection to my ISP , although having already read and tried various commands from different threads and sites.My config is pretty simple :interface FastEthernet0/0ip address 192.168.1...
