Hello friends, I test IP source guard on EVE-NG as below topo: I config on switch DHCP snooping and IP source guard. then VPC get IP from DHCP server (R1) ok But dont know why after I enable IP source guard, VPC3 can not ping to R1 192.168.1.1 (If i...
Hi experts, One of our router has an eHWIC card installed with an active cellular interface. This was designed to be the backup link whenever something goes wrong with our primary connection. I wanted to know if this has been setup the way it should ...
Hi Basically, I'm trying to implement QoS between our WAN routers with NBAR (8-Class QoS). Currently, I'm running IP Nbar discovery under my interfaces to see what's running. Also, create a class-map for my apps.Our issue is we use subinterfaces betw...
Hello, i have a weird issue on an old 3945 router... every user that i insert locally has capitalized letters. even if a configure it in small letters in the configuration it appears with capitalized letters. also the login is just available per capi...
Hi All,I am a bit confused whenever I try to understand the loop prevention mechanism used by IS-IS or you can also broadly say Link-State Routing Protocols. Can anyone help me in understanding this? Thanks in advance.
Hello All,I'm a beginner in BGP and I'm experiencing an issue. I have two CSR1000v routers, R1 and R2, both connected to a single link provided by my ISP, which is divided into two VLANs, 1040 and 1041. Currently, both BGP sessions are up, and initia...
Hi,I'm trying to install a Cisco Router 2900 by connecting it to my Fastweb Fastgate ISP router.These are the configurations on the 2900 router:interface GigabitEthernet0/0ip address 192.168.100.254 255.255.255.0ip nat insideip virtual-reassembly ind...
Hello everyone,I've read many forum posts over the years which helped me solve many problems. Today, I just can't wrap my head around a solution even though I see lots of information on it.Cisco IOS XE Software, Version 03.16.03.SASR1001-XThe basic ...
If I use the dhcp relay setting in the secondary address setting of SVI, can I assign different addresses to different terminals to receive the data?I have a dhcp relay setup for vlan3 with a secondary address.I would like to have the secondary segme...
I'm trying to enable a NM-ESW-16 on my 2610xm running IOS c2600-i-mz.122-8.T5.bin. During boot the module is seen but that's all. Any suggestions would be appreciated.Smart Init is enabledsmart init is sizing iomemID MEMORY_REQ TYPE00036C 0X000B3B80 ...
hello, i have a sip trunk on a cisco device and am implementing another sip trunk on the same router. So i have had another network subnet has been provisioned and configured on my wan and done required natting on the router. I am able to ping the ne...
Hello, We have just received an C8200-1N-4T router and, unfortunately, we cannot create an ipsec vpn as the crypto commands are not there:hostname(config)#crypto ?RSA-key-pair RSA key pairkey Long term key operationspki Public Key componentsprovision...
I'm looking for reasons to use the same public ASN at two distinct datacenters vs. reasons to use unique ASNs at each. We're bringing a new datacenter online that will have a unique public address space of its own but must also advertise a /24 prefi...
With reference to vulnerability " https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z "what is the difference the commands between "ip http active-session-modules none" and "no ip http"....
Hi. I've studied the idea of loopback interface. Now it's time i actually implement loopback interfaces network wide. Please let me know if this makes sense (I'm just being logical, with no exp here.): We have approximately 100 network devices. Only ...
