From: kevin gannon (kevin@gannons.net)
Date: Tue Sep 20 2005 - 15:18:25 GMT-3
No the reflect port will not be useable to carry traffic.
Seems odd but thats how it works. I have asked
Cisco about it and the usual answer is its a hack
to do with the switch architecture.
Regards
Kevin
On 9/20/05, Javier Tomi <fjtm@tid.es> wrote:
>
> Should not the reflect port be one of the trunk ports?...
>
> Leigh Harrison wrote:
>
> > Howdy,
> >
> > To configure RSPAN, it should not matter that you are load balancing
> > the vlans.
> >
> > vlan 50
> > name rspan
> > remote-span (this sets the vlan to be an rspan only vlan)
> >
> > mon sess 1 source f0/1
> > mon sess 1 des remote vlan 50 relfect f0/10 (this port will turn off)
> >
> > On other switch
> > set up vlan (unless it is there in vtp)
> >
> > mon sess 1 source remote vlan 50 rx
> > mon sess 1 des int f0/1
> >
> > LH
> >
> >
> > Evgeniy Voloshin wrote:
> >
> >> Hi Group,
> >>
> >> I have a little question about RSPAN:
> >> I have 2 3550 with 2 ISL trunk ports with VLAN load balancing for 4
> >> vlans(10 and 30 through first trunk, 20 and 40 through second trunk)
> >> - cost/port-priority parameter.
> >>
> >> I need to configure remote SPAN to monitor vlan access port from
> >> first switch to destination port to second switch - for access port
> >> or for trunk.
> >>
> >> What I must to do?
> >> How I can set destination port(monitor session) on first switch - I
> >> have two trunk ports, or how I can set source port(monitor session)
> >> on second switch - I also have two trunk ports.
> >>
> >> My configs:
> >> =================================================
> >> hostname CAT1
> >> !
> >> interface FastEthernet0/2
> >> description --- R2 E0 ---
> >> switchport access vlan 10
> >> switchport mode access
> >> load-interval 30
> >> speed 10
> >> duplex half
> >> !
> >> interface FastEthernet0/13
> >> description --- CAT2 F0/13 ---
> >> switchport trunk encapsulation isl
> >> switchport mode trunk
> >> load-interval 30
> >> spanning-tree vlan 10 cost 1
> >> spanning-tree vlan 30 cost 1
> >> !
> >> interface FastEthernet0/14
> >> description --- CAT2 F0/14 ---
> >> switchport trunk encapsulation isl
> >> switchport mode trunk
> >> load-interval 30
> >> spanning-tree vlan 20 cost 1
> >> spanning-tree vlan 40 cost 1
> >> =================================================
> >> hostname CAT2
> >> !
> >> !
> >> interface FastEthernet0/3
> >> description --- R3 F0/0 ---
> >> switchport access vlan 10
> >> switchport mode access
> >> speed 100
> >> duplex full
> >> !
> >> interface FastEthernet0/5
> >> description --- R4 F0/0 --- TRUNK Emulate 2xFE
> >> switchport trunk encapsulation isl
> >> switchport trunk allowed vlan 10,50
> >> switchport mode trunk
> >> speed 100
> >> duplex full
> >> !
> >> interface FastEthernet0/13
> >> description --- CAT1 F0/13 ---
> >> switchport trunk encapsulation isl
> >> switchport mode trunk
> >> spanning-tree vlan 10,30 cost 1
> >> !
> >> interface FastEthernet0/14
> >> description --- CAT1 F0/14 ---
> >> switchport trunk encapsulation isl
> >> switchport mode trunk
> >> spanning-tree vlan 20,40 cost 1
> >> =================================================
> >> I want to monitor:
> >> 1. from CAT1 FE0/2 -----> CAT2 FE0/3
> >> 2. from CAT1 FE0/2 -----> CAT2 FE0/5 VLAN 50
> >
> >
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