[SwitchD-bgp] peer 2.2.2.9 as-number 20
[SwitchD-bgp] peer 2.2.2.9 connect-interface LoopBack0
[SwitchD-bgp] peer 3.3.3.9 as-number 20
[SwitchD-bgp] peer 3.3.3.9 connect-interface LoopBack0
Step 5 Configure an EBGP connection.
# Configure Switch A.
[SwitchA] bgp 10
[SwitchA-bgp] router-id 1.1.1.9
[SwitchA-bgp] peer 10.1.1.2 as-number 20
# Configure Switch B.
[SwitchB-bgp] peer 10.1.1.1 as-number 10
# Display the connection status of the BGP peers.
<SwitchB> display bgp peer
BGP local router ID : 2.2.2.9
Local AS number : 20
Total number of peers : 3 Peers in established state : 3
Peer V AS MsgRcvd MsgSent OutQ Up/Down State PrefRcv
3.3.3.9 4 20 8 7 0 00:05:06 Established 0
4.4.4.9 4 20 8 10 0 00:05:33 Established 0
10.1.1.1 4 10 7 7 0 00:04:09 Established 0
You can view that Switch B has set up BGP connections with other routers.
Step 6 Configure GTSM on Switch A and Switch B. Switch A and Switch B are directly connected, so
the range of the TTL value between the two switches is [255, 255]. The value of valid-ttl-
hops is 1.
# Configure GTSM on Switch A.
[SwitchA-bgp] peer 10.1.1.2 valid-ttl-hops 1
# Configure GTSM of the EBGP connection on Switch B.
[SwitchB-bgp] peer 10.1.1.1 valid-ttl-hops 1
# Check the GTSM configuration.
<SwitchB> display bgp peer 10.1.1.1 verbose
BGP Peer is 10.1.1.1, remote AS 10
Type: EBGP link
BGP version 4, Remote router ID 1.1.1.9
Update-group ID : 2
BGP current state: Established, Up for 00h49m35s
BGP current event: RecvKeepalive
BGP last state: OpenConfirm
BGP Peer Up count: 1
Received total routes: 0
Received active routes total: 0
Advertised total routes: 0
Port: Local - 179 Remote - 52876
Configured: connect-retry Time: 32 sec
Configured: Active Hold Time: 180 sec Keepalive Time:60 sec
Received : Active Hold Time: 180 sec
Negotiated: Active Hold Time: 180 sec Keepalive Time:60 sec
Peer optional capabilities:
Peer supports bgp multi-protocol extension
Peer supports bgp route refresh capability
Peer supports bgp 4-byte-as capability
Address family IPv4 Unicast: advertised and received
S6700 Series Ethernet Switches
Configuration Guide - IP Routing 7 BGP Configuration
Issue 01 (2012-03-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
489
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