I am attempting to downgrade a Cisco C8500L-8S4X from c8000aes-universalk9.17.12.05a to c8000aep-universalk9.17.09.03a.But failed evertime.So I want to know the difference between two versions.%ERROR% Booting an incompatible image for this platformFa...
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I have two end hosts connected to an access port (via 3rd party, unmanaged switch). Both end hosts have static IPs. I have configured port security and ip source guard on that port in order to filter for both source IP and MAC, and configured static ...
Resolved! SNMP
Hi,Does configuring of SNMP on Routers differ from ASA FirewallOn router it works straight forward with command snmp-server community 1@1 ROsnmp-server community 1@1w RWon Cisco ASA it doesnt workssnmp-server community 1@1Error Output - IP address do...
Good morningI have a cisco N540x switch, that the administrator password is corrupt or unknown.I have followed the following method, but it doesn't workhttps://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-xr-software/217291-new-password-...
Hi,The VTEP learns about other VTEPS, is it only via the originating router IP in the T3 route prefix?How the T2 route nexthop is handled in the clos topology with E-BGP sessions between leaf & spines, is it modified at every hop ? Thanks
I am trying to downgrade the ios version on C8500L-8S4X but failed the current version isC8500LR#show invNAME: "Chassis", DESCR: "Cisco C8500L-8S4X Chassis"PID: C8500L-8S4XC8500L#show ver Cisco IOS XE Software, Version 17.12.05aROM: 17.14(1r)C8500L#D...
We have global DMVPN Phase 2 network based on 4 hubs (2 in North America and 2 in Australia)Issue is related to Spoke nhs entries configuration order. Does it matter? If no how will nhs be choosen?Here is initial configuration of spoke in AUS:interfa...
On our C8300-1N1S-4T2X (17.12.04a), the "memory free low-watermark processor" config line keeps changing. This behavioour triggers rancid backups every day (since the byte value changed) and our "router has no write" script (since its visible in show...
Hello I have a homeserver which is behind a CGNAT. Therefore, I use a VPS with public IP which is connected to my virtual opnsense via WireGuard to avoid this. This works perfectly, and I can route the traffic from the VPS directly to my VMs. But I h...
I am attempting to leverage two ISR1100-4g routers to extend a subnet and vlan across a data center. This subnet hosts two Domain Controllers and my infrastructure team would like to host two new domain controllers in the same subnet in a different e...
I’m currently migrating from a Cisco Catalyst 3850 Layer 3 core switch to a Cisco Nexus N9K using vPC. On the Catalyst, Interface VLAN 1622 is configured with multiple IP addresses on a single SVI, as shown below:192.9.203.253192.9.209.253 secondary1...
Whenever we plug 1G (GLC-LH-SMD) in NCS 5504 router, it is not coming up and also port not showing in show interface brief. Hardware is NCS-5504-SYS with NC55-MPA-12T-S-FC
We have kind of below setup.NW-1.0 <-- Router A <-> Firewall <-> Router B --> NW2.0There is ibgp neighborship between Router A & Router B and routers A & B are connected via firewall.Router A is advertising NW1.0 via ibgp nei to Router B, similarly R...
Hello, I hope this finds everyone ok.I have a weird case to bring to the table that I have been unable to figure out for a couple of weeks now, and I hope to find some guidance in the community. Let me illustrate it. I am working for big company, wit...
I’m currently migrating the core switches from Catalyst 3850 (configured as a four-member StackWise stack) to Nexus N9K switches using vPC.During the review, I noticed that some servers and firewalls are directly connected to the Catalyst core with t...
