Switching

Hi,I have got an alcatel IP phone at remotes sites and an IPBX at the main site. The IP phones can register and can call the main site. The firewall rules allows all trafic from remote sites to HQ and not between them.However, the IP phones cannot ta...

Hi, I have two 7206VXR routers running IOS 12.4(15)T6. Each 7206 has a connection to a 3750G switch. On the switches I trunking VLAN 1 adn 199.On the routers, I have configured subinterface G0/2.199 and I'm running HSRP. When I configured this the fi...

Hi Everyone,Should be a fairly simple question, but I can't find a clear answer on the internet.Does the Nexus 7k support DMVPN or VPN at all? Looking to replace 4507s with Nexus7k but would like to add DMVPN functionality as well. I know 6500 Platfo...

Hi all,we have a scenario where a cisco router 857 in a branch office is connected via ipsec to a 3rd party device in the main site. The 3rd party device is doing web filtering.By now only private traffic is routed inside vpn.We would like to route a...

Hi,We are in the process of migrating some distribution switches from our Foundry core switch to a new Cisco 6509.We first disable the port on the 4000 that connects to the Foundry (let 3-4 pings drop just to make sure the old port is disabled) and t...

Hi GuysBackground: Two Cisco 6509 chassis in the same rack, set up as a stack, so a port from one reads 1\3\27, from the second it reads 2\9\27 for example.          What i have been told is that these are redudandant and if the one chassi fails it c...

We have problem of ARP cache on Core sw 6506 . Topology for this is as per attachment.Problem: Pcs which are turned off for 3- 4 hour can not communicated. from this PCs some of Devices and some of Servers also can not pinging . Some of PCs have an e...

Hi netpros,We having two cisco switches (1) Cisco 3550 and (2) Cisco 4948. and  connecting these two switches as :- Cisco 3550 (Fa0/10, Switchport mode access) [Vlan1 IP 10.10.1.2/27] à Cisco 4948 (Gig1/10, Switchport mode access) [Vlan1 IP 10.10.1.6...

We are planning to migrate from PVST mode to RSTP mode in our Production Network having 6 Switches (6509). We have a critical trading network so need to be aware of the impact of the migration and the necessary configuration other thenspanning tree m...