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Resolved! IP unreachables ?

Hello, I am considering using the command 'no ip unreachables' on my layer 3 interfaces to improve security. However then I would be unable to get traceroute information from those interfaces which I find very useful. I was wondering what do most net...

tedauction by Beginner
  • 2 replies
  • 0 Helpful votes


Kindly help to resolve below mentioned issue.   SPANTREE-2-RECV_PVID_ERR: Received BPDU with inconsistent peer vlan id 229 on GigabitEthernet0/1 VLAN1.   SPANTREE-2-BLOCK_PVID_PEER: Blocking GigabitEthernet0/1 on VLAN0229. Inconsistent peer vlan.   S...

Host Trunk port on Cisco Fabric Extender

Topology: Nexus 7710 to FEX.  no VPC configuration.  Image: 7.2(1)D1(1)   ESX host is not running spanning-tree, port configured as trunk with VLANs.   When I hook an ESX host up to my FEX host port configured as a trunk, the port does not go into er...

TCAM by Beginner
  • 1 replies
  • 0 Helpful votes

Resolved! ASA-SM console access from 6509

Dears,   I was on  15.1 and I upgrade to 15.5 on 6509 after upgrading all my modules came up ASA-SM, NAM, etc,etc, but when I try to console the ASA-SM by session switch 1  slot command it gave me below error, when I revert back to the old IOS s2t54-...

adamgibs7 by Frequent Contributor
  • 13 replies
  • 0 Helpful votes

Filter Default Route and Allow Rest BGP

Hello   I am trying to filter bgp route and allow all others   ip prefix-list no-default-route seq 5 deny prefix-list no-default-route seq 10 permit le 32   router bgp 65xxx bgp log-neighbor-changes neighbor remote-as 65...

access list or nat issue?

I have an ASA 5512 running 9.4(4).18 here's my issue.   Server A on lan range Server B on lan range   From the outside world i can access mydnsname.com and reach services on server B fine. Server B has internet access. Ser...

How to create a DMZ network on switch ?

Hi to all,   I use a Cisco 2960X and 2960XR switch that are currently dedicated to LAN only (so 1 Vlan =, these switch are behind a NAT Router.    The target is to use pfsense firewall with 3 interfaces : 1 wan, 1 lan, 1 dmzI wish to ...

Resolved! EIGRP failover

I have a setup where I have a router(R1) that connects to two other routers(R2 and R3). I am trying to build eigrp active/standby neighborships in between R1, R2 and R3. I have built the eigrp neighborship, but I need to figure out how to send a defa...

ergamusai by Beginner
  • 20 replies
  • 0 Helpful votes

Resolved! 3750 ACL config

Hi I have a 3750 and 2960 with dhcp, vlans and trunking - everything works - many thanks to Rick.   I need to prevent traffic from going between certain vlans, and some vlans can be the source into others but not be destinations:   Let's take the fol...