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as we know, in one-arm hub-and-spoke L3VPN, we need the hub CE to advertise a default route so spokes can learn it to enable spoke-to-spoke traffic.however, if the hub PE also provides internet access by advertising another default route, there will ...
as we know, the 'switchport mode dot1q-tunnel' command is only available on switch port.therefore, a switch as UPE would do the double tag, while a router as NPE would match the tags.in Catalyst 8000 series, is it possible to install a switch module ...
in IOS XE, the DHCPv6 relay only requires one command: ipv6 dhcp relay destination 2222:db8:0:22::24it does not require setting M flag and the client receives only A flag from the relay agent.ICMP6, router advertisement, length 64hop limit 64, Flags ...
in IOS XE (and also XR if you want to), you need to use hex value to define affinity (admin group) for link colouring in RSVP-TE.since you can only configure one affinity per interface and one affinity/mask pair per LSP, does that mean the mask match...
for BGP LU between two IOS XR nodes, ICMP reachability between advertised prefixes is lost once allocate-label all is configured. labels seem to be allocated properly.configuring unicast together with LU seems to make no difference although two copie...
care to elaborate what does it mean by ‘encapsulate and modify the native VLAN’?from what i understand, native vlan is optional in Q-in-Q.in fact, i am not even sure whether using native vlan is still considered Q-in-Q since there are not two tags a...
not sure if i understand you.what i was thinking was to use one PE to serve both double tagging (dot1q tunneling) and termination as illustrated below.CE1--PE1--MPLS--PE2--CE1i tried this setup in lab but apparently it would not work since one PE can...
