I have two questions: 1) 6500 (regardless of SUP) do not support standard 802.1ad correct? The "QinQ" functions available are non standard? 2) Can someone help me understand why tagging the native vlan is listed as a required step when configurin...
Hello, On a N7K configuration in one of our DCs, we have several FEXs that are connected to this N7K. I am a bit confused on a particular configuration and hoping that someone can explain this configuration to me. Here's the part on the N7K that I...
I have seen many threads on this topic. where we have two router and two ISP and then a firewall behind the Routers. For outgoing traffic mostly people suggest two static default routes pointing to both routers ( or do IBGP and learn partial routers ...
Hi We want to upgrade ios in ASR1K. Do you think we need to upgrade both bootflash and stby-bootflash? But I saw people just do once in bootflash. Thank you
How is this even possible when the port speed is set to 100? I have a Cisco 3750G switch.
Hi, Scenario: I have 2 Cisco 1941 routers. Both are running Bgp routing with 2 ISP - A & B. Router 1 is connected to ISP A and Router 2 to ISP B. I want ISP A as primary ISP. If it fails, traffic should route from ISP B & it should be switched back t...
H guys, standard acl is 1 - 99. If I create two acl number 1 and 2, does it mean that only one of them will be active or will be processed? What I mean is: int g0/0 ip access-group 1 inip access-list standard 1 deny ip x.x.x.x .....some more IPs T...
Hi All, Is it safe to imagine MPLS is needed with BGP for VRF tags to be carried over from PE routers? I am studying for my CCIE and my impression was the VRF tags are carried in BGP but now I understand I didn't have it right. You can't run VRF wi...
Hi, I have two 1941 routers in network. I have two different ISPs. Each router is running BGP with ISP router. (scenario is attached below). As shown in scenario, i want ISP A as primary. My all traffic should route from ISP A. But whenever ISP A fai...
Feature of OSPF is : it has unlimited hop count, upto how many hops a packet will traverse and what does unlimited means?
Hi, I´ve two Datacenters which have in the future a backup Connection with an L2TPv3 over ipsec. The tunnels are up and running an I can make Connections over it. But I want to connect on both sides a switch which blocked the Connection via STP. So ...
Hi, I have a Cisco 891F router, I created two vlan1, vlan2. vlan1: 192.168.0.1 255.255.255.0 vlan2: 192.168.100.1 255.255.255.0 vlan1 is used for the office workstations and it should be private and vlan2 is used for public wireless. These two vlans...
Hello all. I was labbing up an upcoming project...and found that I can not get a simple tunnel to come up between 2 7200 series routers. I've triple checked everything..re-wrote the config. There is no debug info either (debug crypto isakmp )...so it...
Hi Everyone. I just configured a new Cisco 3900 router. This is not my first time setting up a router, however this is the first time I have ever had this problem. Below is an excerpt of the config. ip dhcp excluded-address 192.168.0.1 192.168.0.5...
Hello,I have few OSPF questions regarding ABR.Which are OSPF ABR functions:- flooding Summary LSAs to connected areas?- flooding ASBR Summary LSAs to connected areas?- flooding NSSA External LSAs to Area 0?- performing summarization on routes headed ...
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