HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 219
Enabling BGP to establish an EBGP session over multiple hops, Command, Remarks, ebgp-max-hop
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Step 2. Enter BGP view or BGP-VPN instance view. Command • Enter BGP view: bgp as-number • Enter BGP-VPN instance view: a. bgp as-number b. ip vpn-instance vpn-instance-name 3. Configure the interval for peer { group-name | sending updates for the same ipv6-address } route to a peer or peer group. route-update-interval interval Remarks N/A By default, the interval is 15 seconds for an IBGP peer and 30 seconds for an EBGP peer. Enabling BGP to establish an EBGP session over multiple hops To establish an EBGP connection, two routers must have a direct physical link. If no direct link is available, you must use the peer ebgp-max-hop command to enable BGP to establish an EBGP session over multiple hops and specify the maximum hops. If directly connected EBGP peers use loopback interfaces to establish a BGP session, you do not need to configure the peer ebgp-max-hop command. To enable BGP to establish an indirect EBGP session (IPv4): Step 1. Enter system view. 2. Enter BGP view or BGP-VPN instance view. 3. Enable BGP to establish an EBGP session to an indirectly-connected peer or peer group and specify the maximum hop count. Command system-view • Enter BGP view: bgp as-number • Enter BGP-VPN instance view: a. bgp as-number b. ip vpn-instance vpn-instance-name peer { group-name | ip-address } ebgp-max-hop [ hop-count ] Remarks N/A N/A By default, BGP cannot establish an EBGP session to an indirectly-connected peer or peer group. To enable BGP to establish an indirect EBGP session (IPv6): Step 1. Enter system view. 2. Enter BGP view or BGP-VPN instance view. Command system-view • Enter BGP view: bgp as-number • Enter BGP-VPN instance view: a. bgp as-number b. ip vpn-instance vpn-instance-name Remarks N/A N/A 208
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