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Forum Posts
Resolved! Trunking between 3550 and 2960 switch
Dear All,i have problem related to trunking between my distribution switch and access layer switch. i formed a trunk on my cisco 3550interface GigabitEthernet0/5switchport trunk encapsulation dot1qswitchport mode trunkand on my 2960 asinterfaces giga...
Alright all ye experts, I have a situation I'm hoping to pick your brains on. Here's the setup: Two 4510R+E with Sup7Es in a remote campus running VSS. The VSL for the VSS was configured on two of the 10Gb ports off of the supervisor (in a port-cha...
Hello,How directed ARP works and different from broadcast ARP?Does it have additional information in request or response?Thanks
Resolved! using public address of backup internet
I have a public ip address that I want to Nat, however it belong to the backup internet which is on standby for failover, the primary internet I dont have public static ip address, can I use the backup internet static ip address to do 1 to 1 Nat for ...
Resolved! OSPF DROTHER issue
Am trying to make OSPF works over 4 routers but one of them always end up not working (DROTHER) here is my topology is it a normal behavior or something ?
I have an 881 router configured with 2 dhcp WAN connections. I am trying to configure failure detection of the primary connection (I do not really care about the secondary at this time).I have an ip sla/track configured to monitor the primary WAN co...
Hi,Is there any way of looking at what mac address are present on each individual interfaces on a switch ( which is in private-vlan )Below is a switch port configuration enabled for private vlan.doing a show mac address table doesn't indicate any out...
I have a WS-C3650-48TS (SW02) connected to a 6509 (SW01). They are configured as such on both sides:switchport trunk encapsulation dot1qswitchport trunk allowed vlan 98-101,113-117,120-122switchport mode trunk When I do a sh int trunk Port Gi0/51 ...
Hello, From my understanding of what should be in a topology table I think some routes are missing please help me understand.fo the subnet 192.168.8.0/24 sholdn't they be two routes in the topology table ? R7#sh ip eigrp topologyIP-EIGRP Topology Ta...
Hi guys,Need some help for my cisco switch 2960. It was brand new. We already configured it and mounted it. we can already ssh the device but the weird thing is, there are times that we cannot access it and have it restarted. There are still no conne...
I have a customer in Brazil that ordered a new 2921 router with a vwic3-2mft-t1/e1 and they want to bypass the CSU/DSU by connecting directly to the wall jack. They are currently using a 1841 router with a WIC-1t. This is the first time that I done t...
Hi,I am configuring a cisco 1921 router. I have configured GE0/0 and GE0/1 interfaces, as well as DNS and default gateway.However i cannot connect to the internet. yourname#show running-configBuilding configuration...Current configuration : 5613 byte...
I've connected a netgear 3400 wireless router to a cisco 3550 switch. The router is coming off the DSL modem. So far all connected devices including the router are in vlan 1, (printer, pc's etc.). I have configured the switch with a management ip ...
Resolved! Cisco NAT question
Hi All, I've configured NAT on a Cisco 1921 router. I've configured port 25 to be forwarded to a mail server however, when I connect a site using a site to site IPsec vpn everything works besides the ports that I have NAT'd in. ip nat pool WIGAN 22.2...
I'm having an issue with the port-channel coming up. Right now it's "down down". I'm not really sure why. All other port-channels on the 6500's in VSS work fine. This one seems to be giving me an issue though. -Both interfaces that are using this por...
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