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Test Bed Device Configuration

Apply-Groups

Repetitive configuration of interface settings, BGP groups settings, and VRF settings are grouped into apply-groups, so that the same set of settings (inherited from the apply-group) are applied.

Apply-Groups for Interfaces

Apply-Groups for Protocols

Other Apply-Groups

Interfaces

Loopbacks

Unbundled WAN Interfaces

Bundled WAN Interfaces

Unbundled Edge Interfaces

Bundled Edge Interfaces

Inter-region Interfaces

IS-IS

IS-IS on CR Routers

IS-IS on BR and MSE Routers

The BR and MSE routers are ASBR routers between regions. Therefore, there is a single significant change in IS-IS configuration as compared to the Edge or CR routers:

The BR and MSE routers either redistribute or summarize between regions; therefore, they use different PS-ISIS-EXPORT policies.

The following are the changes in the IS-IS configuration on the MSE routers (compared to the Edge or CR routers).

The following are the changes in the IS-IS configuration on the BR routers (compared to the Edge or CR routers).

BGP

BGP on Edge (BGP RR Clients)

BGP on CR Routers (BGP Route Reflectors)

BGP on BR Routers (BGP ASBRs)

BGP on MSE Routers

Services

Internet through Global Routing Table

L3VPN with Static SID Allocation

Statically allocated default SID is assigned to the VRF. The VRF advertises all prefixes that use that SID except for prefixes matched by a per-prefix policy.

L3VPN with Dynamic SID Allocation

L3VPN SRv6 SID Resolution Through Dynamic-Tunnels

SRv6 dynamic feature is required on the BR and MSE routers for proper SRv6 SID resolution (for L3VPN prefixes received from another AS), as IS-IS SRv6 locator TLV does not exist for locators used by SRv6 SIDs from another AS.

Note:

The SRv6 locator range (5f00::/16 or longer) MUST be blocked on eBGP peers, to address any security threat, whereas other autonomous systems advertising prefixes from 5f00::/16 or longer range may attract SRv6-encapsulated VPN traffic.

L3VPN with IRB as PE-CE Interface

In many cases, multiple CE devices connected to a PE router are interconnected between each other through Layer 2 (using bridge-domain on PE), sharing a common PE-CE subnet, with the IRB interface placed inside VRF as PE-CE interface.

EVPN E-Line (VPWS) with Single-Active Multi-Homing using Static SID Allocation

EVPN E-Line (VPWS) with All-Active Multi-Homing Using Dynamic SID Allocation

EVPN E-Line (VPWS) with All-Active Multi-Homing Using Static SID Allocation

Miscellaneous