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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Peering VLANs and MAC addresses
Hi Simon, so you have: IX---SwitchA---SwitchB---Router why not disable spanning tree? There is no redundancy here anyway so disable it in that particular VLAN. Steve On Wed, 9 Nov 2005, Simon Brilus wrote: > > Hi , > > We are unable to resolve a problem with our peering exchange connection and > would like any assistance. Our peering setup is a follows: > > - Our peering exchange connection goes into switch A > - Switch A has a dark fibre connection to switch B, which is in a different > PoP > - Our peering router is connected to switch B > > We use spanning tree across our network to allow the VLANs connectivity > across our network. > > The peering exchange has an MoU that only 1 MAC address should be visible on > their switch. However they see 2 MAC addresses on our port. > > - MAC address of Peering router > - MAC address of the port they are connected to on switch A > > Is there any way to prevent switch A from presenting the interface MAC > address? Or is this a symptom of spanning tree that cannot be stopped? > > Your input will be most welcome. > > The config on switch A is as follows: > > interface GigabitEthernet0/5 > description Peering Link > switchport access vlan 148 > switchport mode access > speed nonegotiate > storm-control broadcast level 5.00 > no cdp enable > spanning-tree portfast > spanning-tree bpdufilter enable > spanning-tree guard root > > Regards > > Simon Brilus > >
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