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| Property | Type | Description |
|---|---|---|
| Numeric properties | ||
| distance | route distance | |
| scope | ||
| scope-target | target scope | |
| bgp-weight | BGP WEIGHT attribute | |
| bgp-med | BGP MED attribute is local to the router. It is also used in the output of iBGP peers. | |
| bgp-out-med | BGP MED attribute to be sent to a remote peer. Should be used in the output chain of eBGP peers. | |
| bgp-local-pref | BGP LOCALPREF attribute | |
| bgp-igp-metric | BGP IGP METRIC | |
| bgp-path-peer-prepend | Prepend last received remote peers ASN. If the prefix is originated from the router, then this parameter will not do anything on the router's output, because ASN does not exist yet. If used as a matcher in BGP input, it is possible to filter prefixes exceeding a certain number of prepends. For example, if a remote peer prepends its ASN 5 times, but we want to allow max 4 times prepended ASN, then we can use: " This parameter also overrides any prepends received from the remote peer, for example, if the remote peer prepended it's AS 3 times, we can remove this prepend by setting " | |
| bgp-path-prepend | Prepend routers ASN, should be used in BGP output. | |
| ospf-ext-metric | OSPF External route metric | |
| ospf-ext-tag | OSPF external route tag | |
| rip-ext-metric | RIP External route metric | |
| rip-ext-tag | RIP External route tag | |
| Flag properties | ||
| ospf-ext-dn | DN bit for external OSPF routes | |
| blackhole | ||
| suppress-hw-offload | Whether to suppress L3 HW offloading | |
| use-te-nexthop | ||
| Other properties | ||
| gw | ipv4/6 address | IPv4/IPv6 address or interface name. In the case of BGP output, a gateway can be adjusted in the following setups:
|
| gw-interface | interface_name | Interface part of the gateway. Should be used if it is required to attach a specific interface for next-hop, like (1.2.3.4%ether1) |
| gw-check | none|arp|icmp|bfd|bfd-mh | |
| pref-src | ipv4/6 address | |
| bgp-origin | igp|egp|incomplete | |
| ospf-ext-fwd | ipv4/6 address | |
| ospf-ext-type | type1|type2 | |
| comment | string | |
| bgp-communitescommunities | inline_community_set | set_name | BGP Communities attribute is defined in RFC 1997. Each community is 32-bit in size. |
| bgp-ext-communities | BGP Extended Communities attribute is defined in RFC 4360. RouterOS parses site-of-origin (prefixed with soo:) and route-target (prefixed with rt:) extended communities. For example, "set bgp-ext-communities rt:1111:2.3.4.5;". It is possible to set/match RAW extended communities value in 64-bit hex, for example, "set bgp-ext-community 0x.........;" | |
| bgp-large-communities | BGP Large Communities attribute is defined in RFC 8092. Suitable for use with all ASNs including 32-bit ASNs. Each community is 12-bytes in length and consists of 3 parts: "global_admin:locap_part_1:local_part_2". | |
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