I have a 1941 operating with a backup 3/4G Cellular and a primary WAN interface.My issue is related to the DNS from my 3/4G interface persisting well after the interface is shutdown. The Show hosts indicated 4 DNS entries when I'm running my primary ...
Forum Posts
Resolved! optimal Route reflector
hi teamwhat is the difference between "optimal Route reflector" and "Route reflector"
Hello, I have 2 queries, faced often while doing production operations. 1. BGP : How one should come to know that each individual bgp received route is available in bgp table since how much/how long time?? we never come to know exact when peer side...
Resolved! BGP Route reflector and load balancing
hi Team I have some questions about BGP if you please :1- if we have in our environment BGP domain one cluster for two RR, and as we know RR once receive a packet will generate two attributes to prevent loop ( originator and cluster list ) so now wha...
Resolved! HSRP with DHCP server on Edge Routers
Good day, I have a topology (figure attached) where routers 1 and 2 (Cisco 1921 K9 SEC) connect to two different ISPs and are configured in an HSRP group so they provide WAN redundancy to the LAN side.they also server ad VPN end points that provide 2...
Resolved! OSPF Database Discrepancy
Why Layer-2 switch has a single broadcast domain? It will be better for me if anyone explain it briefly.Thanks
Hello My goal is to reserve an IP address for one host. Unfortunately it doesn't work. After setting up an IP reservation: KRGR#clear ip dhcp binding * KRGR#show ip dhcp binding Bindings from all pools not associated with VRF: IP address Client-...
Resolved! Issues configuring NAT
Hello everyone,I was trying to make some nat exercises on CML but I have issues with the inside interfaces. I made a 5 switches topology using routed interfaces and connecting one of them to my local gateway for external connectivity. I set the inter...
Resolved! IS-IS route selection over wide-metric
R5 has been learning 200.200.200.200/32 from R710 via EIGRP and being redistributed to IS-IS.(R5 redistribute configuration "redistribute EIGRP 100 metric 100 metric-type external level-1")R6 has one of the loopbacks interface with IP address 200.20...
I am using a ISR 4331 at my office with a DHCP server setup. The pool is 10.1.0.0 255.255.240.0 I have a DC server which when connected to the router gets assigned an ip from the pool. But I now want the DC server to have a static ip of 10.1.0.2. I e...
Resolved! connect OSPF thru ISP
Hi teamif we have 20 sites, each site has connected to ISP thru L3VPN , how can we build ospf between sites as each one in different subnet even there is reachability
Hi Team, My topology is: My config has: R1 and R2 are connected via 192.168.0.0/30 with .1 on R1(Gi0/0) and .2 on R2 (Gi0/0).They also each have a loopback 1.1.1.1 on R1 and 2.2.2.2 on R2.R2 has a return route to 1.1.1.1 via 192.168.0.1R1 has ...
I'm trying to make sure I understand the full capability of using the "ip routing" command on a L3 switch. Enabling "ip routing" ONLY enable inter-vlan routing assuming the SVI of the switch is the gateway of the VLAN. If I have some switch down the ...
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