I have a link which is LT2P from a site router R1 (Cisco 867-VAE, IOS 15.3) which has two external interfaces defined (dialer1 and vlan-1000), but only one plugged in (first is ADSL, second is technician's 4g router)
Exterior view Tunnel view R99 R99 | |vpp1 cloud | || | d1||vlan1000 |vpp1 R1 R1
All of this works fine with either
ip local interface Dialer1 or
ip local interface vlan1000 in the configuration of the pseudowire-class.
My question is how do I make my virtual-PPP interface work according to whether either interface is plugged in and working without having to reconfigure
psuedowire-class? It seems I can't add a second
int virtual-ppp1, nor a second
ip local inside
pseudowire-class. Do I have to have a whole extra
Interface config of R1 has two dynamic-address external interfaces:
interface Vlan1000 ip address dhcp ip nat outside interface Dialer1 ip address negotiated ip nat outside ... ip route 0.0.0.0 0.0.0.0 Dialer1 ip route 0.0.0.0 0.0.0.0 dhcp
This is the tunnelling configuration:
pseudowire-class PWCLASS encapsulation l2tpv2 ip local interface Dialer1 interface Virtual-PPP1 ip address negotiated pseudowire R99-exernal-address 1 encapsulation l2tpv2 pw-class PWCLASS ...
System image file is "flash:c860vae-advsecurityk9_npe-mz.153-3.M.bin"