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[env] default nixl side port conflicts with kv-event zmq port #25056

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Merged
NickLucche merged 1 commit into from
Sep 27, 2025
Merged

[env] default nixl side port conflicts with kv-event zmq port #25056

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4 changes: 2 additions & 2 deletions vllm/envs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,7 @@
VLLM_MSGPACK_ZERO_COPY_THRESHOLD: int = 256
VLLM_ALLOW_INSECURE_SERIALIZATION: bool = False
VLLM_NIXL_SIDE_CHANNEL_HOST: str = "localhost"
VLLM_NIXL_SIDE_CHANNEL_PORT: int = 5557
VLLM_NIXL_SIDE_CHANNEL_PORT: int = 5600
VLLM_ALL2ALL_BACKEND: Literal["naive", "pplx",
"deepep_high_throughput",
"deepep_low_latency",
Expand Down Expand Up @@ -1220,7 +1220,7 @@ def get_vllm_port() -> Optional[int]:

# Port used for NIXL handshake between remote agents.
"VLLM_NIXL_SIDE_CHANNEL_PORT":
lambda: int(os.getenv("VLLM_NIXL_SIDE_CHANNEL_PORT", "5557")),
lambda: int(os.getenv("VLLM_NIXL_SIDE_CHANNEL_PORT", "5600")),

# all2all backend for vllm's expert parallel communication
# Available options:
Expand Down